Tổng hợp bài tập từ vựng đồng nghĩa và trái nghĩa ôn thi THPT QG môn Tiếng Anh 2021

TỔNG HỢP BÀI TẬP TỪ VỰNG ĐỒNG NGHĨA VÀ TRÁI NGHĨA ÔN THI THPT QUỐC GIA MÔN TIẾNG ANH 2021

1. Bài tập từ vựng đồng nghĩa

SYNONYM

1. I cannot understand why she did that, it really doesn't add up.

A. doesn't calculate                                      B. isn't mathematics

C. doesn't make sense                               D. makes the wrong addition

2. These anniversaries mark the milestones of a happy and lasting relationship between married couples.

A. signs                      B. achievements       C. landmarks           D. progresses

3. He has sold his house and has no job and so now he has next to nothing.

A. he is unemployed                                                B. he has a few things  

C. he has almost no money                                   D. he has nothing at all

4. As a newspaper reporter, she always wanted to get information at first hand.

A. quickly                 B. slowly                   C. easily                     D. directly

5. The notice should be put in the most conspicuous place so that all the students can be well-informed.

A. easily seen           B. beautiful               C. popular                 D. suspicious

6. It was very difficult to understand what he was saying about the noise of the traffic.

A. pick up                  B. make up                C. turn out                 D. make out

7. The situation seems to be changing minute by minute.

A. from time to time                        B. time after time                

C. again and again                            D. very rapidly

8. I am looking for a dependable person who can stand out for me at the meeting.

A. dependent             B. talented                 C. energetic               D. reliable

9. My little boy Tom never screams though he is scared.

            A. in pain                   B. frightened            C. embarrassed         D. confused

10. Sometimes when I hear the news, I feel very miserable.

            A. confused               B. frightened             C. upset                     D. disappointed

11. The film is not worth seeing. The plot is too dull.

            A. slow                       B. simple                   C. complicated          D. boring

12. We now can find a wide range of ready-cooked food in supermarkets.

            A. variety                  B. classification        C. small number       D. popularity

13. I sometimes give my friends a ride in my car.

A. ask my friends drive for me                   B. let my friends drive my car

C. hitch-hike my friends                              D. give my friends a lift

14. A woman had a narrow escape when the car came round the corner.

            A. was hurt                                                    B. was nearly hurt             

C. ran away                                                   D. bumped into the car

15. He was asked to account for his presence at the scene of crime.

            A. complain               B. exchange              C. explain                 D. arrange 

16. I’ll take the new job whose salary is fantastic.

            A. reasonable             B. acceptable             C. pretty high             D. wonderful 

17. The whole village was wiped out in the bombing raids.

A. changed completely                              B. cleaned well

C. destroyed completely                             D. removed quickly

18. I will communicate with you as soon as I have any news.

            A. be related             B. be interested in    C. get in touch         D. have connection

19. He is an honest man. You can rely on him to do a good job.

            A. take in                   B. count on               C. base on                  D. put up with

20. We’ll have to use the others on the next floor because the ones on this floor are not in working condition.

            A. out of work         B. run out of              C. out of order           D. torn down

21. “Please speak up a bit more, Jason. You’re hardly loud enough to be heard from the back”, the teacher said.

            A. visible                   B. edible                    C. eligible                  D. audible    

22. I couldn’t see what she was doing. It was so dark down there.

            A. make out             B. make up                C. make for               D. make from

23. It was boiling yesterday. We have a very humid and dry summer this year.

A. very hot                B. cooking                 C. dry                         D. cooked

24. It was inevitable that the smaller company should merge with the larger one.

A. vital                       B. unnecessary         C. urgent                    D. unavoidable

25. A frightening number of illiterate students are graduating from college.

A. uable to read and write                                   

B. able to join intramural sport

C. inflexible                                     

D. unable to pass an examination in reading and writing

26. I had a glance at the article, but I haven't read it yet.

A. close look             B. quick look            C. direct look            D. furtive look

27. I don't like that man. There is a sneaky look on his face.

A. furious                  B. humorous             C. dishonest             D. guilty

28. Unselfishness is the very essence of friendship.

            A. romantic part        B. important part   C. difficult part         D. interesting part

29. We have lived there for years and grown fond of the surroundings. That is why we do not want to leave.

            A. planted many trees in the surroundings           B. haunted by the surroundings

            C. loved the surroundings                                     D. possessed by the surroundings

30. Such problems as haste and inexperience are a universal feature of youth.

            A. marked                  B. shared                   C. hidden                   D. separated

31. In America, when a woman and a man are introduced, shaking hands is up to a woman.

            A. depends on         B. replies on             C. waits on               D. congratulates on

32. I prefer to talk to people face to face rather than to talk on the phone.

            A. facing them        B.  in person            C. looking at them    D. seeing them

33. All the sudents got high marks in the test but Mary stood out.

A. got a lot of marks                                     B. got higher marks than someone

C. got very good marks                               D. got the most marks of all

34. I think we can safely say now that we have got our money back, we are home and dry.

A. have not got wet                                      B. have got no water

C. have been successful                             D. have got home dry

35. The crew divided the life preservers among the twenty terrified passengers as the ship began to sink.   

A. exhausted             B. surprised               C. frightened                       D. excited

36. You must answer the police’s questions truthfully; otherwise, you will get into trouble.

A. exactly as things really happen                      B. with a negative attitude

C. in a harmful way                                                 D. as trustingly as you can

37. My mom is always bad-tempered when I leave my room untidy.

A. feeling embarrassed                                            B. talking too much

C. very happy and satisfied                                     D. easily annoyed or irritated

38. During the earthquake, a lot of buildings collapsed, which killed thousands of people.

A. went off accidentally                              B. fell down unexpectedly

C. exploded suddenly                                  D. erupted violently

39. We really appreciate your help, without which we couldn’t have got our task done in time.

A. feel thankful for             B. depreciate             C. require                   D. are proud of

40. We really appreciate your help, without which we couldn’t have got our task done in time.

A. feel thankful for             B. depreciate             C. require                   D. are proud of

41. - “Would you like some more to eat?”

      - “No, thank you. I’ve had more than enough already.

A. plenty                    B. race                        C. pour                      D. amount

42. He drives me to the edge because he never stops talking.

A. steers me               B. irritates me           C. moves me             D. frightens me

43. Although the hours are longer, John earns more in his new job.

A. gets on                  B. brings in               C. makes out             D. takes up   

44. After her mother died, she was raised by her grandparents.

A. grown up              B. brought up           C. come into              D. put up

45. The whole village was wiped out in the bombing raids.

A. changed completely                                B. cleaned well

C. destroyed completely                           D. removed quickly

46. Many political radicals advocated that women should not be discriminated on the basic of their sex.

A. openly criticized                                     B. rightly claimed   

C. publicly said                                            D. publicly supported

47. S. Mayo Hospital in New Orleans was so named in recognition of Dr. Mayo’s outstanding  humanitarianism. 
            A. exhaustive             B. charitable             C. remarkable         D. widespread

48. I am concerned about my children.

            A. angry                     B. worried                C. happy                    D. sad

      49. There are many opportunities for work in the city.

            A. possibilities          B. advantages          C. difficulties            D. disadvantages

50. Be careful! The tree is going to fall.

A. Look up                B. Look out             C. Look on                D. Look after

51. The abominable custom of women sacrificing themselves with the pyres of their dead husbands was abolished during the right of William Bentinck.

A. social                    B. sacred                    C. disgusting                        D. moral

52. The suspected couple was taken away from the airport through a side entrance to the Police Station for interrogation.

A. whisked                          B. rushed                              C. guided                   D. no improvement

53. In spite of all the provocations, he maintained utmost patience.

A. inflicted                B. sustained              C. restrained             D. exercised

54. We’ll have to use the restrooms on the next floor because the ones on this floor are not in working condition.

            A. out of work         B. run out of              C. turn down             D. out of order

55. It was boiling yesterday. We have a very humid and dry summer this year.

A. very hot                B. cooking                 C. dry                         D. cooked

56. It was inevitable that the smaller company should merge with the larger one.

A. vital                       B. unnecessary         C. urgent                    D. unavoidable

57. He made one last futile effort to convince her and left home.

A. favorable              B. difficult                 C. ineffectual           D. firm

58. Most of the school-leavers are sanguine about the idea of going to work and earning money.

A. fearsome               B. expected               C. excited                  D. optimistic

59. The situation seems to be changing minute by minute.

A. from time to time          B. time after time      C. again and again    D. very rapidly

60. The whole village was wiped out in the bombing raids.

A. changed completely                                B. cleaned well  

C. destroyed completely                           D. removed quickly

61. Many political radicals advocated that women should not be discriminated on the basic of their sex.

A. openly criticized                                     B. rightly claimed   

C. publicly said                                            D. publicly supported

62. The suspected couple was taken away from the airport through a side entrance to the Police Station for interrogation.

A. whisked               B. rushed                  C. guided                  D. no improvement

63. In spite of all the provocations, he maintained utmost patience.

A. inflicted                B. sustained              C. restrained             D. exercised

64. He was asked to account for his presence at the scene of crime.

            A. complain               B. exchange              C. explain                 D. arrange 

65. The teacher gave some suggestions on what could come out for the examination.

            A. effects                   B. symptoms             C. hints                      D. demonstrations 

66. I’ll take the new job whose salary is fantastic.

            A. reasonable             B. acceptable             C. pretty high             D. wonderful 

67. The famous racehorse Secretariat had to be destroyed because of a painful, incurable hoof disease.

A. disabling               B. vexatious              C. dangerous             D. irreparable

68. In most countries, compulsory military service does not apply to women.

A. superior                B. mandatory           C. beneficial             D. constructive

69. Scientists warn of the impending extinction of many species of plants and animals.

A. irrefutable             B. imminent              C. formidable          D. absolute

70. The aircraft carrier is indispensable in naval operations against sea or shore based enemies.

A. unique                   B. novel                     C. exotic                    D. vital

71. The use of lasers in surgery has become relatively commonplace in recent years.

A. absolutely             B. relevantly             C. almost                   D. comparatively

72. There were so many members of the political party who had gone against the leader that he resigned.

A. apposed               B. insisted                 C. invited                   D. opposed   

73. If petrol price go up any more, I shall have to use a bicycle.

A. develope               B. ascend                   C. raise                       D. increase  

74. I didn’t go to work this moring. I stayed at home because of the morning rain. 

A. thanks to             B. on account of       C. in spite of              D. in addition to

75. The new cow boy-film catches the fancy of the children. 

A. attracts                B. statisfies               C. surprises               D. amuses

76. Now I understand why you moved out of that house.

A. I am surprised                                         B. it frustrates me    

C. I am intrigued                                          D. it makes sense to me

77. Hypertension is one of the most widespread and potential dangerous diseases.

A. colossal                B. popular                 C. common               D. scattered

78. In the United States, a party can nominate a single candidate for office.

A. refuse                    B. keep                       C. change                   D. name

79. The sales of drugs is controlled by law in most of countries.

A. permitted              B. restricted             C. illegal                    D. binding 

80. I told you clearly and definitely not to write your answers in pencil, Smith!

A. considerably        B. thoroughly            C. altogether             D. specificially

81. A brief outlined of the course and bibliography were handed out to the students at the first meeting.

A. dispensed             B. dispered                C. distributed           D. contributed

82. If the world’s tropical forests continue to disappear at their present rate, many animal species will be extinct.

A. die for                   B. die from                C. die of                     D. die out

83. Proximity to the court house makes an office building more valuable.

A. Interested in         B. Similarity to         C. Nearness to         D. Usefulness for

84. He was one of the most outstanding performers at the live show last night.

A. easy-looking        B. important              C. well-known          D. impressive.

85. They are going to suffer a lot of criticism for increasing bus fare by so much.

A. get into                 B. stand in with         C. come in for          D. put across

86. The soil must be kept damp at all times or the plant will die.

A. moist                     B. wet                         C. dry                         D. arid

87. Our grandfather is buried in that graveyard.

A. morgue                  B. churchyard           C. cemetery               D. both B & C

89. Those companies were closed due to some seriously financial problems.

A. taken off               B. put away               C. wiped out             D. gone over

90. Many doctors are still general practitioners, but the tendency is toward specialization in medicine.  

            A. rumor                    B. trend                     C. prejudice               D. security

91. Most of the school-leavers are sanguine about the idea of going to work and earning money.

A. fearsome               B. expected               C. excited                  D. optimistic

92. The situation seems to be changing minute by minute.

A. from time to time          B. time after time      C. again and again    D. very rapidly

93. It was great to see monkeys in their natural habitat.

A. sky                         B. land                       C. forest                     D. home

94. Setting off on an expedition without thorough preparation and with inadequate equipment is tempting fate.

A. Taking a risk                                         B. losing heart           

C. having panic                                             D. going round in circles

95. Peter didn’t mean to be disrespectful to his teacher. He just couldn’t control his temper.

A. Showing lack of trust                                       C. showing impolite behavior

B. Showing nervousness                                       D. showing lack of attention

96. The medical community continues to make progress in the fight against cancer.

A. speed                     B. expect more          C. do better              D. treat better

97. As all of us cannot be available today, let’s put off the discussion till later.

A. present for the event   

B. scheduled for the event

C. arranged for the event  

D. appointed for the event

98. Fallout from a nuclear power station damaged in the tsunami may endanger the vegetation.

A. stimulate               B. harm                     C. inhibit                   D. benefit

99. To prepare for a job interview, you should jot down your qualifications, work experience as well as some important information about yourself.

A. What you have experienced                    B. your own qualities in real life           

C. Your bio data and special qualities         D. what you have earned through study

100. The activists were accused of contaminating the minds of our young people.

A. Providing healthy ideas                                    B. harming

C. Nurturing                                                          D. keeping in the dark

2. Bài tập từ vựng trái nghĩa

ANTONYM

Mark the letter A, B, C, or D to indicate the word or phrase that is OPPOSITE in meaning to the italic part in each of the following questions.

1. We ought to keep these proposals secret from the chairman for the time being.

            A. lively                     B. frequented             C. accessible             D. revealed

2. They have not made any effort to integrate with the local community.

            A. cooperate             B. put together          C. separate               D. connect

3. There has been insufficient rainfall over the past two years, and farmers are having trouble.

A. adequate              B. unsatisfactory      C. abundant               D. dominant

4. We offer a speedy and secure service of transferring money in less than 24 hours.

A. slow                       B. open                      C. unsure                   D. uninterested

5. The young are now far more materialistic than their precedents years ago.

A. monetary              B. greedy                   C. spiritual               D. object - oriented

6. One of the key to successful business is careful planning.

A. falling                   B. victorious             C. faulty                    D. impossible

7. Mr. Smith’s new neighbors appear to be very friendly.

            A. amicable               B. inapplicable         C. hostile                   D. futile

8. The clubs meet on the last Thursday of every month in a dilapidated palace.

A. renovated             B. regenerated          C. furnished              D. neglected

9. His extravagant ideas were never brought to fruition.

A. impressive            B. exaggerated          C. unacceptable        D. practical

10. This shouldn’t be too taxing for you.

            A. comfortable          B. demanding            C. easy                       D. relaxing

11. The Germany’s war hysteria has accounted for its people’s hostility towards foreigners.

A. disease                 B. ceremony             C. malaria                  D. serenity

12. He was ostracize by his colleagues for refusing to support the strike.

A. crucify                  B. include                  C. patronize             D. lionize.  

13. Population growth rates vary among regions and even among countries within the same region.

            A. fluctuate               B. stay unchanged   C. restrain                  D. remain unstable

14. She could not hide her dismay at the result.

A. disappointment                B. depression            C. happiness            D. pessimism

15. Certain courses are compulsory; others are optional.

            A. voluntary                          B. free                        C. pressure                D. mandatory

16. We offer a speedy and secure service of transferring money in less than 24 hours.

A. uninterested         B. unsure                   C. slow                       D. open

17. The Red Cross is an international humanitarian agency dedicated to reducing the sufferings of wounded soldiers, civilians and prisoners of war.  

A. worry and sadness           B. pain and sorrow   C. loss            D. happiness

18. After five days on trial, the court found him innocent of the crime and he was released.

A. innovative             B. naïve                     C. guilty                    D. benevolent

19. Mr. Brown is a very generous old man. He has given most of his wealth to a charity organization.

            A. hospitable             B. honest                   C. kind                       D. mean

20. In the first two decades of its existence, the cinema developed rapidly.

A. leisurely               B. sluggishly             C. weakly                  D. shortly

21. The earth is being threatened and the future looks bad.

            A. done                      B. made                      C. defended               D. varied

22. Thousands are going starving because of the failure of this year's harvest.

A. hungry                  B. poor                       C. rich                         D. full

23. I’d like to pay some money into my bank account.

A. withdraw some money from               B. put some money into  

C. give some money out                              D. leave some money aside

24. We offer a speedy and secure service of transferring money in less than 24 hours.

       A. uninterested         B. unsure                   C. open                      D. slow

25. The International Organizations are going to be in a temporary way in the country.

A. permanent                       B. guess                     C. complicated         C. soak

26. My little daughter would spend an inordinate amount of time in the shop, deciding exactly which 4 comics she was going to buy.   

A. excessive             B. limited                  C. required                D. abundant

27. About 95 percent of all animals are invertebrates which can live anywhere, but most, like the starfish and crabs, live in the ocean.        

A. with backbones                                      B. with ribs               

C. without ribs                                              D. without backbones

28. He had never experienced such discourtesy towards the president as it occurred at the annual meeting in May.    

A. politeness             B. rudeness               C. measurement        D. encouragement

29. We offer a speedy and secure service of transferring money in less than 24 hours.

       A. uninterested         B. unsure                   C. open                      D. slow

30. Why are you being so arrogant?

A. snooty                   B. humble                  C. cunning                 D. naive

31. His policies were beneficial to the economy as a whole.

A. harmless               B. crude                     C. detrimental         D. innocent

32. The doctor advised Peter to give up smoking.

A. stop                       B. continue               C. finish                     D. consider

33. Advanced students need to be aware of the important of collocation.

A. of high level                                             B. of great important          

C.of low level                                               D. of steady progress

34. Fruit and vegetables grew in abundance on the island. The islanders even exported the surplus.

A. excess                   B. large quantity       C. small quantity     D. sufficiency

35. There is growing concern about the way man has destroyed the environment.

A. attraction             B. consideration       C. ease                       D. speculation

36. The bank announced that it was to merge with another of the high street banks.

A. associate               B. separate                C. cooperate             D. assemble

37. He had never experienced such discourtesy towards the president as it occurred at the annual meeting in May.

A. politeness             B. rudeness               C. measurement        D. encouragement

38. Affluent families find it easier to support their children financially.

            A. Wealthy                B. Well-off                C. Privileged             D. Impoverished

39. She had a cozy little apartment in Boston.

       A. uncomfortable    B. dirty                       C. lazy                        D. warm

40. A frightening number of illiterate students are graduating from college.

A. able to read and write                         

B. able to join intramural sport

C. inflexible                                     

D. unable to pass an examination in reading and writing

41. Because Jack defaulted on his loan, the bank took him to court.

Afailed to pay                                            B. paid in full         

Chad  a bad personality                             D. was paid much money

42. His career in the illicit drug trade ended with the police raid this morning.

Aelicited                 Birregular                            Csecret                    D. legal

43. The government is not prepared to tolerate this situation any longer.

A. look down on      Bput up with           C. take away from    D. give on to

44. I clearly remember talking to him in a chance meeting last summer.

Aunplanned                        B. deliberate                       Caccidental                         D. unintentional

45. The International Organizations are going to be in a temporary way in the country.

Asoak                                  B. permanent                      Ccomplicated                     D. guess

46. The US troops are using much more sophisticated weapons in the Far East.

Aexpensive                                                Bcomplicated                    

C. simple and easy  to use                         D. difficult to operate

47. In remote communities, it’s important to replenish stocks before the winter sets in.

Aremake                 B. empty                  Crefill                      D. repeat

48. There has been no discernible improvement in the noise levels since lorries were banned.

Aclear                      Bobvious                 Cthin                      D. insignificant

49. In remote communities, it’s important to replenish stocks before the winter sets in.

Aremake                 B. empty                  Crefill                      D. repeat

50. There has been no discernible improvement in the noise levels since lorries were banned.

Aclear                     Bobvious                 Cthin                      D. insignificant

51. As an executive director of a big company, she is a woman of extraordinary intelligence.

            A.remarkable             B. moderate             C. little                       D. sufficient

52. We have been out of touch him since he moved to London.

            A. kept contact with           B. made a call to       C. contacted with     D.written to

53. Mr. Smith's new neighbors appear to be very friendly.

            A. mean                     B. pleasant                C. hostile                   D. easy-going

54. China has become the third country in the world which can independently carried out the manned space activities.    

A. put up                    B. put in                     C. put on                    D. put off

55. Because Jack defaulted on his loan, the bank took him to court. 

A. failed to pay                                             B. paid in full                      

C. had a bad personality                             D. was paid much money

56. The government is not prepared to tolerate this situation any longer.

A. look down on      B. put up with                       C. take away from    D. give on to

57. About 95 percent of all animals are invertebrates which can live anywhere, but most, like the starfish and crabs, live in the ocean. 

A. with ribs               B. without ribs          C. without backbones          D.with backbones

58. The International Organizations are going to be in a temporary way in the country.

A. permanent                       B. guess                     C. complicated         C. soak

59. My little daughter would spend an inordinate amount of time in the shop, deciding exactly which  comics she was going to buy. 

A. excessive             B. limited                  C. required                D. abundant

60. The bank announced that it was to merge with another of the high street banks.

A. associate               B. separate                           C. cooperate              D. assemble

61. He had never experienced such discourtesy towards the president as it occurred at the annual meeting in May.

A. politeness             B. rudeness               C. measurement        D. encouragement

62. Our farmland was very adjacent to the river, which is quite an advantage, especially in the dry season.

A. inconvenient for B. handy for             C. disadvantaged at D. distant from

63. Names of people in the book were changed to preserve anonymity.

A. reveal                   B. conserve               C. cover                     D. presume

64. During the five-decade history the Asian Games have been advancing in all aspects.

A.  holding at             B. holding back       C.  holding by                       D. holding to

65. The World Cup is followed with great interest around the globe- the final game of the 1994 tournament was played to a television audience of more than 1 million viewers.

      A. bad                  B. clumsy            C. inferior           D. awful

66. The World Cup is followed with great interest around the globe- the final game of the 1994 tournament was played to a television audience of more than 1 million viewers.

      A. primal             B. first                 C. beginning        D. starting

67. Founded in 1930 with just 13 teams, the tournament now attracts more than 140 countries.

      A. repels              B. throws             C. destroys          D. kills

68. These are all-star, professional teams composed of 22 players each.

      A. stupid              B. ugly                 C. amateurish    D. ill

69. The 2002 World Cup was held jointly by Japan and South Korea, and with the victory over Germany in the final match, Brazil became the first team to win the trophy five times.

      A. fall                   B. lose                  C. upset                D. defeat

70. Name some famous football players in the world.

      A. infamous        B. unknown        C. impossible      D. irregular

71. If you don’t feel well, go to bed and rest.

      A. poorly             B. badly               C. clumsily          D. hardly

72. For many young people in Britain, sport is a popular part of school life, and being in one of the school teams and playing in matches is very important.

      A. ill                     B. sick                  C. minor              D. small

73. My suitcases are so heavy.

      A. thin                  B. light                 C. trivial              D. delicate

74. The best time to visit is during the dry season, from October to April, when the hard forest rain is over.

            A. wet                         B. engaging               C. obvious                 D. cordial

75. The best time to visit is during the dry season, from October to April, when the hard forest rain is over.

            A. plastic                   B. simple                   C. relaxed                  D. soft

76. Visitors, especially children, can go there to learn how to recognize the different species of animals and plants.

            A. pure                       B. same                      C. alike                      D. whole

77. An interesting feature of this park is the Orphanage where lots of orphaned or abandoned animals are taken care of.

            A. bad                         B. ugly                       C. weak                      D. dull

78. This national park is special because it has plants and animals from both tropical and temperate zones.

            A. warm                     B. cold                       C. cool                       D. wet

79. Due to an increase in population and the use of nearby land for farming, there are toxic levels of chemicals in the water.

            A. drop                      B. lowness                 C. shortage                D. illness

80. When did Nguyen Hue defeat Thanh enemies?

            A. peoples                 B. animals                 C. friends                  D. kids

81. Rearrange the following sentences to make a letter of acceptance responding to an invitation to spend a weekend in the country.

            A. dislike                   B. disparagement     C. rebuke                   D. refusal

82. You know how much I love spending a weekend in the country after a long and hard-working term.

            A. easygoing             B. idle                         C. bad                         D. weak

83. If I had been you, I would have gone home immediately.

            A. late                                    B. lately                     C. short                      D. shortly

84. I'm not being lazy - I'm just conserving my energy for later.

            A. using up               B. shooting off          C. going out              D. throwing away

85. This is especially worrying when there are about 3,000 plants with value as medicines against cancer, AIDS, heart disease and many other sicknesses.

            A. unimportantly      B. normally              C. balefully               D. infamously

86. We may never know the true cost of this destruction.

            A. imaginary             B. dishonest              C. unlawful               D. disloyal

87. Man and most animals need a constant supply of water to live.

            A. fitful                      B. faithless                C. uncertain             D. weak

88. Rapid run-off would cause frequent floods and leave little water during fry seasons.

            A. Bad                        B. Weak                     C. Slow                      D. Ugly

89. Rapid run-off would cause frequent floods and leave little water during fry seasons.

            A. sometimes             B. unusual                 C. irregular                D. little

90. The earth is being threatened and the future looks bad.

            A. done                      B. made                      C. defended               D. varied

91. We cannot clean up our polluted rivers and seas overnight.

            A. cleared                  B. purified                C. honored                D. respected

92. We can do something to save the earth.

            A. waste                    B. kick                       C. shoot                     D. throw

93. At times, this can be risky, and the keepers have been injured and one has been killed.

            A. good                      B. useful                    C. healthy                  D. secure

94. Keep only fish that you will eat; release the rest.

            A. catch                     B. hold                       C. take                        D. have

95. How different a picture we now have of the ocean as the sea has begun to reveal its secrets.

            A. public                    B. opening                 C. knowledge            D. schooling

96. The plants and animals of the sea fall into three major groups.

            A. small                     B. tiny                         C. subordinate         D. unnecessary

97. Use water sparingly and keep water clean.

            A. many                     B. few                         C. well                        D. plentifully

98. Use water sparingly and keep water clean.

            A. dusty                     B. stained                  C. wicked                  D. halfway

99. Fish only species that are not of concern, threatened or endangered.

            A. educated               B. healed                   C. defended               D. brought

100. Fish only species that are not of concern, threatened or endangered.

            A. bettered                B. born                       C. safeguarded        D. taught

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