Tailieumoi.vn xin giới thiệu bài tập  Tiếng Anh lớp 12 mới Unit 6: Endangered species có đáp án, lời giải chi tiết, chọn lọc. Tài liệu có nội dung bám sát chương trình sgk Tiếng Anh 12 chương trình thí điểm. Hi vọng với bộ tài liệu Tiếng Anh 12 mới có đáp án này sẽ giúp bạn ôn luyện kiến thức để đạt kết quả cao trong bài thi môn Tiếng Anh 12 sắp tới.

Bài tập Tiếng Anh 12 Unit 6: Endangered species

A. PHONETICS AND PHONOLOGY 

I. Find the word which has a different sound in the part underlined.

1. A. teach

B. dead

C. reach

D. team 

2. A. campaign

B. horn

C. rhino

D. extinct 

3. A. call

B. curtain

C. contain

D. city

4. A. enclosure

B. conservation

C. species

D. nest

5. A. your

B. four

C. court

D. hour

6. A. nesting

B. shellfish

C. reserve

D. elephant

7. A. door

B. mood

C. shoot

D. hood

8. A. endangered

B. evolution

C. extinct

D. extinguish

9. A. sun

B. sure

C. seen

D. sort 

10. A. habitat

B. dragon

C. mammal

D. danger 

Đáp án:

1.B	2.D	3.D	4.A	5.D
6.C	7.A	8.B	9.B	10.D

II. Choose a word in each line that has different stress pattern.

1. A. commercial

B. habitat

C. approach

D. impressive

2. A. descend

B. explore

C. profession

D. altitude

3. A. curriculum

B. parabolic

C. ecology

D. authority

4. A. astronomic

B. emergency

C. experiment

D. collaborate

5. A. biodiversity

B. evolutionary

C. ecologically

D. biologically

6. A. simulated

B. environment

C. missionary

D. spacewalk

7. A. observatory

B. historical

C. activity

D. vulnerable

8. A. endangered

B. surface

C. survival

D. extinction

9. A. discovery

B. survival

C. vulnerable

D. traditional

10. A. deforestation

B. conservationist

C. trainee

D. biological 

Đáp án:

1.B	2.D	3.B	4.A	5.A
6.B	7.D	8.B	9.C	10.C

 

B. VOCABULARY AND GRAMMAR 

I. Complete the sentences with the words from the box. Use each word once only. 

dangerous; conservationists; survivors; vulnerably; extinction;

survival; biodiversity; poaching; endangered; extinct

1. His condition left him __________ exposed to the slightest cold or cough. 

2. People all over the world are working to help save endangered animals from _________.

3. Floods and drought are both ___________ to humans and crops. 

4. _______________ are calling for additional measures with a focus on more effective management of the habitat. 

5. The government is sending help to the __________ of the earthquake.

6. By losing _____________, we are losing the chance to discover new medicines that could end the suffering of millions of people.

7. Do not purchase illegal products that come from ____________ species. 

8. Since 1600 about 500 species of animals have become _______.

9. Gorilla and chimpanzee populations in Central Africa continue to decline due to __________, habitat loss and disease.

10. To ensure the __ of the world's animals, we must learn how to keep 'sustainable populations' alive for the animals to _______ survive _________ on their own.

Đáp án:

1. vulnerably	6. biodiversity
2. extinction	7. endangered
3. dangerous	8. extinct
4. conservations	9. poaching
5. survivors	10. survival; survive

II. Give the correct form of the words in the following sentences.

1. The movie was (interesting) _____________________ than the one on TV. 

2. We've got (little) ______________________ time than I thought.

3. This shirt is too small. I need a (large) _____________________ one. 

4. Lan is (clever) ___________ and (pretty) _______________ than Lien. 

5. She is (nice) _____________________ than I expected. 

6. This was the (big) _____________________ farm I've ever visited.

7. Who between the two workers is the (good) _____________________?

8. This old machine is (powerful) ________________________ than we thought.

9. The farmers have never had a (rich) _____________________ harvest than that.

10. Which is (difficult) _____________________ English or Math? 

11. It is the (expensive) _____________________ of the two cars. 

12. Which is the (expensive) _____________________ of these two coats? 

Đáp án:

1. more interesting	7. better
2. less	8. more powerful
3. larger	9. richer
4. cleverer; prettier	10. more difficult
5. nicer	11. most expensive
6. biggest	12. more expensive

III. Put the verb in the future perfect tense.

1. We (not/eat) _______________ before we come, so we'll be hungry.

2. ____________ (we/arrive) __________ by the time it gets dark?

3. He (not/complete) __________________________ the project by July.

4. I (not/finish) ________________________ the essay by the weekend.

5. Why (she/finish) ___________________________ the cleaning by six? 

6. They (not/go) ________________________ by 9 tomorrow.

7. By this time next year we (marry) ________________________ for 30 years.

8. If all goes well, by June 2012 I (finish) __________ my university degree. 

9. ___________ she (get) _______________ her passport by then?

10. By the time I start my shift, Dr. Frazier (wait) ________ for 18 hours straight. 

Đáp án:

1. We (not/eat) ____will not have eaten____ before we come, so we'll be hungry.

2. _____Will____ (we/arrive) _____have arrived_____ by the time it gets dark?

3. He (not/complete) ___ will not have completed___ the project by July.

4. I (not/finish) ___ will not have finished____ the essay by the weekend.

5. Why (she/finish) ___will she have finished_____ the cleaning by six? 

6. They (not/go) ____will not have gone____ by 9 tomorrow.

7. By this time next year we (marry) _____will have married_____ for 30 years.

8. If all goes well, by June 2012 I (finish) ___will (shall) have finished___ my university degree. 

9. ____Will______ she (get) ____have got_____ her passport by then?

10. By the time I start my shift, Dr. Frazier (wait) ____will have waited_____ for 18 hours straight. 

IV. The word in brackets at the end of each of the following sentences can be used to form a word that fits suitably in the blank.

1. We now realize that it is important to maintain the planet's __________, which is the richness of animal and plant life. DIVERSITY

2. A __________ is any natural region where wildlife lives undisturbed, for example, forests, ponds, marshes or deserts. HABITION

3. Take ______________ actions in your community. CONSERVE 

4. Officials said there were no _______ of the plane crash. SURVIVE

5. Logging, oil and gas drilling, over-grazing and development all result in habitat ___________. DESTROY

6. The more species disappear, the more entire-systems become ________. VULNERABLY 

7. ____________ are killing rhinos because of their horns. POACHING

8. Although conservation groups are working to __________ wildlife, natural habitats are still being destroyed. PROTECTION 

9. Due to poaching and civil war, the _________ of gorillas drops sharply. POPULAR 

10. The dodo very quickly declined in numbers, and it was _________ by 1681. EXTINCTION

Đáp án:

1. biodiversity	2. habitat	3. conservation	4. survivor	5. destruction
6. vulnerable	7. poachers	8. protect	9. population	10. extinct

 

V. Indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

1. Hundreds of thousands of elephants were illegally poached and their tusks sold for profits. 

A. conserved          B. preserved

C. captured            D. hunted

2. When the forest disappears, so too will Indonesia's rich biological diversity be effected and disappear forever. 

A. variety               B. direction

C. similarity           D. closeness

3. The saola is also indirectly threatened by insufficient attention to and investment in its conservation.

A. protest                 B. protection

C. production           D. induction 

A Baby sea turtles are the most vulnerable when they leave their nests and make their way to the sea. 

A. well-protected     B. immune

C. susceptible           D. shielded

5. The number of amphibians on our planet is declining rapidly in both local mass extinction and population crashes.

A. reservation        B. protection

C. threat                 D. disappearance

6. Saving endangered species from becoming extinct is crucial for our health and the future of our children. 

A. resistant              B. dangerous

C. threatened           D. preserved

7. The domestic dog is thought to have evolved from the wolf. 

A. resolved            B. involved

C. revolted             D. developed

8. The main threat to the survival of these creatures come from heir loss of habitat.

A. usual behaviour           B. favourite activity        

C. place of living             D. rituals

9. They are too rare and valuable a bird to be hawked about with the rest of your menagerie.

A. in small numbers

B. real         

C. half-cock

D. not done properly

10. He looks after the land as a private reserve for wildlife habitat, running marsupials and their predators instead of cows.

A. money reserve

B. booking reservation  

C. a protected area

D. an emergency fund 

Đáp án:

1.D	2.A	3.B	4.C	5.D
6.C	7.D	8.C	9.A	10.C

VI. Indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.

1. Dinosaurs were unable to survive severe ice age weather conditions. 

A. remain alive      B. persist

C. get through        D. lose their lives

2. At the moment it is difficult to assess the extent of the damage that his company has caused to the environment. 

A. benefit               B. destruction

C. devastation        D. extinction

3. Severe weather conditions can also reduce population numbers because animals tend to have fewer offspring. 

A. alarming            B. grave

C. dreadful             D. mild 

4. The dunes harbor a number of freshwater lakes abundant in wildlife. 

A. plentiful

B. lavish

C. bountiful

D. scarce 

5. All visitors are kept out of the conservation area.

A. prevented from entering

B. prevented from destroying 

C. allowed to enter

D. allowed to take photos

6. It is predicted that the natural resources will run out by the end of the century.

A. come in

B. run short

C. run away

D. remain intact

7. It is urgent that these governments work out a solution to the problem that they are all facing.

A. keep secret            B. find

C. share                      D. arrive at

8. In order to protect endangered species, it is important that all people join in.

A. participate           B. leave

C. take part              D. enjoy

9. Many people decided to give up eating meat and become vegetarians.

A. cut up                B. put up

C. continue            D. use up

10. Let's clear up this rubbish and put it in the bin.

A. mess up             B. clear away

C. tidy                    D. clean off 

Đáp án:

1.D	2.A	3.D	4.D	5.C
6.D	7.A	8.B	9.C	10.A

VII. Choose the best answer to complete the following sentences. 

1. ____ is a branch of Natural Science, and is the study of living organisms and how they interact with their environment 

A. Biology

B. Biological

C. Biologist

D. Biologically

2. A/ an ____ species is a population of an organism which is at risk of becoming extinct. 

A. dangerous

B. endanger

C. endangered

D. endangerment

3. Besides, several programmes should be ____ that spreads the world of the conservation of the elephants in the public.

A. told                    B. used

C. operated            D. introduced 

4. Cheetah's tail is ____ during fast running, because it balances the animal and allows fast and sudden turns which happen often when the prey tries to escape. 

A. essential            B. basic

C. adequate           D. sufficient

5. People should be told about the things that threaten the safety of ____ so that they can avoid doing them.

A. the wild             B. wildness

C. wild life             D. wildlife 

6. Humans depend on species diversity to provide food, clean air and water, and fertile soil for agriculture.

A. destruction

B. contamination

C. fertilizer

D. variety

7. The more you talk about the situation, ____.

A. it seems worse

B. the worse it seems       

C. the worse does it seem

D. it seems the worse 

8. ____ the Sun is, ____ the shadow is. 

A. The higher / the low

B. The more high/ the more low 

C. The higher / the lower

D. The more higher / the more lower

9. Life on Earth is disappearing fast and will continue to do so unless urgent action is taken. 

A. vanishing

B. damaging

C. polluting

D. destroying

10. By December next year, we ____ in this house for twenty years.

A. will have lived

B. have lived

C. will live

D. had live

11. ____ it is, ____ miserable I feel.

A. The hotter / more

B. The hotter / the more

C. The more hotter / the more

D. The more hot / the more

12. The saola is also indirectly threatened by insufficient ____ to and investment in its conservation.

A. interest

B. attention

C. care

D. treatment 

13. The better the weather is, ____.

A. the beaches get the more crowded

B. the beaches get the most crowded 

C. the most crowded the beaches get            

D. the more crowded the beaches get

14. Hunting for meat and burning forests for soil cause destruction to wildlife. 

A. organization

B. contamination

C. protection

D. damage

15. Species become extinct or endangered for ____ number of reasons, but ____ primary cause is the destruction of habitat by human activities. 

A. Ø/ a                   B. a/ the

C. the/ a                 D. Ø/ Ø

16. I think I ____ my door key. I can't find it anywhere. 

A. will have lost    B. am losing

C. have lost           D. will lose

17. Only a few of the many species at risk of extinction actually make it to the lists and obtain legal ____.

A. protect               B. protection

C. protective          D. protector

18. Probability of extinction depends ____ both the population size and fine details of the population demography. 

A. on                      B. in

C. from                  D. for 

19. Many modern medicines are derived ____ plants and animals. 

A. on                      B. for

C. from                  D. in 

20. Toxic chemicals from factories are one of the serious factors that leads wildlife to the ____ of extinction.

A. wall                   B. fence

C. verge                 D. bridge 

21. Saving ____ species from becoming extinct is crucial for our health and the future of our children.

A. dangerous          B. endanger

C. endangering       D. endangered

22. The more she practices, ____ she becomes.

A. the greater confidence

B. more confidently              

C. the more confident

D. the most confident 

23. The older you are, ____.

A. the more you may become worried          

B. the more worried you may become 

C. the more worry you may become             

D. you may become more worried

24. Mr. Edwards ____ history for 35 years, and is retiring soon.

A. teaches

B. will have taught          

C. taught

D. has been teaching

25. It is high time we had to ____ some measures to protect endangered animals. 

A. take                   B. bring

C. hold                   D. use 

26. Many ____ groups now support putting a value on ecosystems.

A. conserve

B. conservative

C. endangering

D. endangered

27.15,589 species (7,266 animal species and 8,323 plant species) are now considered ____ risk ____ extinction. 

A. at / of                 B. on / in

C. for / with           D. in / at

28. Internationally, 189 countries have signed ____ accord agreeing to create Biodiversity Action Plans to protect endangered and other threatened species. 

A. а                        B. an

C. the                     D. Ø

29. I'm tired. I ____ the house since 9 this morning. 

A. am cleaning

B. will have cleaned              

C. had been cleaning

D. have been cleaning

30. Clearing forests for timber has resulted ____ the loss of biodiversity

A. with                   B. at

C. in                       D. for 

Đáp án:

1.B	2.C	3.D	4.A	5.D
6.D	7.B	8.C	9.A	10.A
11.B	12.B	13.B	14.D	15.B
16.C	17.B	18.A	19.C	20.C
21.D	22.C	23.B	24.D	25.A
26.C	27.A	28.B	29.D	30.C

C. READING 

I. Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage. 

The World Wide Fund for Nature (WWF) is an international (1) ____ governmental organization for the (2) ____, research, and restoration of the environment. The organization was (3) ____ as a charitable trust on September 11, 1961, in Morges, Switzerland, under the name World Wildlife Fund. It was an initiative of Julian Huxley and Max Nicholson.

It is the world's largest independent conservation organization with over 5 million (4) ____ worldwide, working in more (5) ____ 90 countries, supporting 100 conservation and environmental projects around the world. It is a charity, with (6) ____ 9% of its funding coming from voluntary. (7) ____ by private individuals and businesses.

The group says its mission is "to halt and reverse the (8) ____ of our environment". Currently, much of its work focuses on the conservation of three biomes that contain most of the world's biodiversity: forests, freshwater ecosystems, and oceans and coasts. Among other issues, it is also concerned (9) ____ endangered species, pollution, and climate change. The organization (10) ____ more than 20 field projects worldwide. In the last few years, the organization set up offices and operations around the world.

1. A. non

B. not

C. no

D. nor

2. A. challenge

B. keeping

C. conservation

D. awareness

3. A. produced

B. discovered

C. used

D. formed

4. A. supporters

B. residents

C. inhabitants

D. citizens

5. A. as

B. than

C. to

D. as to

6. A. generally

B. individually

C. commercially

D. approximately

7. A. deposits

B. donations

C. refunds

D. loans

8. A. destroy

B. destructive

C. destruction

D. destroyed 

9. A. on

B. by

C. with

D. upon 

10. A. goes

B. walks

C. reaches

D. runs 

Đáp án:

1.A	2.C	3.D	4.A	5.B
6.D	7.B	8.C	9.C	10.D

II. Fill in each numbered blank with one suitable word or phrase. 

When the word "endangered" is mentioned, people usually think of particular species, like the panda or whooping crane. However, we would like to encourage you to think about (1) ____ in a broader context. It is (2) ____, the physical places where species live and interact with one another. Although the development of special breeding programs, also known as captive conservation, may help some species in some cases, it is clearly not (3) ____ answer to the global problem. Indeed, (4) ____ we are able to protect natural areas where endangered species actually live, they have no future.

Species become endangered for a wide (5) ____ of reasons. By analyzing and grouping many individual cases, however, we find the same broad causes (6) ____ again and again. They are Habitat Destruction, Exotic 

Species, and Overexploitation. Among other factors threatening particular species are limited: distribution, disease, and pollution. Limited distributions are often a consequence of other threats: populations confined to one or a few small areas because of habitat (7) ____, for example, may be disastrously affected by random factors. Diseases can have severe (8) ____ on species lacking natural genetic protections against particular pathogens, like the rabies and canine distemper viruses that are currently devastating carnivore populations in East Africa. Domestic animals are usually the reservoirs of these and other diseases affecting wild (9) ____, showing once again that human activities lie at the root of most causes of endangerment. Pollution has seriously done harm (10) ____ number of terrestrial species, although species living in freshwater and marine ecosystems are also suffering.

1. A. development

B. endangerment

C. pollution

D. contamination

2. A. plants

B. conservations

C. habitats

D. organizations 

3. A. a

B. an

C. the

D. Ø 

4. A. so

B. but

C. if

D. unless 

5. A. variety

B. commerce

C. extinction

D. destruction

6. A. expressing

B. showing

C. disappearing

D. appearing

7. A. benefit

B. reserve

C. loss

D. gone 

8. A. impact

B. interest

C. infection

D. absorption 

9. A. needs

B. populations

C. natures

D. medicines 

10. A. to

B. for

C. with

D. at 

Đáp án:

1.B	2.C	3.B	4.D	5.A
6.D	7.C	8.A	9.B	10.A

D. WRITING 

I. Rewrite the following sentences.

1. Her old house is bigger than her new one. 

Her new house ………………………………………………………………..

2. No one in my class is taller than Peter. 

Peter ………………………………………………………………………….

3. The black dress is more expensive than the white one. 

The white dress ………………………………………………………………

4. According to me, English is easier than Maths. 

According to me, Maths ……………………………………………………..

5. No one in my group is more intelligent than Mary. 

Mary …………………………………………………………………………

6. No river in the world is longer than the Nile. 

The Nile ………………………………………………………………………

7. Mount Everest is the highest mountain in the world. 

No mountain ………………………………………………………………….

8. This is the first time I have ever met such a pretty girl. 

She is …………………………………………………………………………

9. He works much. He feels tired. 

The more ……………………………………………………………………..

10. This computer works better than that one. 

That computer ………………………………………………………………..

11. The apartment is big. The rent is high. 

The bigger ……………………………………………………………………

12. We set off soon. We will arrive soon.

The sooner ……………………………………………………………………

Đáp án:

1. Her new house isn’t so/ as big as her old one.

2. Peter is the tallest in my class.

3. The white dress isn’t so/ as expensive as the black one.

4.According to me, Maths isn’t so/ as easy as English.

5. Mary is the most intelligent in my group.

6. The Nile is the longest river in the world.

7. No mountain in the world is higher than Mount Everest.

8. She is the prettiest girl I have ever met.

9. The more he works, the more tired he feels.

10. That computer doesn’t work so/ as well as this one.

11. The bigger the apartment is, the higher the rent is.

12. The sooner we set, the sooner we will arrive.

II. Rewrite the following sentences so that the second ones have the same meaning as the given sentence.

1. He not only loved her with all his heart but also went out of his way to protect her from all the evil things in life. 

Together with loving …………………………………………………………

2. Everyone in the class agreed to the given proposal except for Lan. 

Lan was ………………………………………………………………………

3. I haven't heard from Lana for months on end. 

It's many ……………………………………………………………………...

4. "Call in on me if you should ever pass by, okay?" she told me. 

She asked …………………………………………………………………….

5. You should never treat your mother like that, one day you'll realize why. 

Never …………………………………………………………………………

6. Work shouldn't take priority over family in any circumstances. 

Under no circumstances ……………………………………………………...

7. "Hey you little girl, give me your notebook." said the naughty boy to his friend. 

The naughty boy ordered …………………………………………………….

8. You really need to have your laptop fixed, it's broken down. 

Your laptop ………………………………………………………………......

Đáp án:

1. Together with loving her with all his heart, he went out of his way to protect her from all the evil things in life. 

2. Lan was the only one in the class that/ who did not agreed to the given proposal.

3. It's many months since I last heart from Lana.

4. She asked me to call in on her if I should ever pass by.

5. Never should you treat your mother like that, one day you'll realize why. 

6. Under no circumstances should work take priority over family.

7. The naughty boy ordered his friend to give him her notebook.

8. Your laptop really needs fixing, it's broken down. 

III. Rewrite the following sentences so that the second ones have the same meaning as the given sentence.

1. "What a lovely dress you're wearing, mother." said Janet. 

Janet complimented ………………………………………………………….

2. The Euro window building is so spacious that you may not finish visiting it in one day. 

Such ………………………………………………………………………….

3. Autumn is the season I love the most. 

There is …………………………………………………………………….

4. Whether you are fluent in English or not, talking to the president is sure to take some real calmness. 

However ……………………………………………………………………

5. The manufacturer must have cut off the amount of ingredients used in this extremely small cake. 

The manufacturer almost …………………………………………………...

6. You won't find a more dedicated employee than this woman. 

Nowhere …………………………………………………………………….

7. "I'll wait until you come back however long it may take." said his wife. 

His wife promised ………………………………………………………….

8. Although Jenny is small, she can push that huge table for a long distance. 

In spite of …………………………………………………………………...

Đáp án:

1. Janet complimented her mother on her lovely dress.

2. Such is the spaciousness if the Eurowindow building that you may not finish visiting it in one day.

3. There is no (other) season that I love more than autumn.

4. However fluent you are in English, talking to the president is sure to take some real calmness. 

5. The manufacturer almost certainly cut off the amount of ingredients used in this extremely small cake. 

6. Nowhere will you find a more dedicated employee than this woman. 

7. His wife promised to wait until he came back however long it might take.

8. In spite of her smallness/ being small, Jenny can push that huge table for a long distance. 

Xem thêm Bài tập Tiếng anh lớp 12 chương trình thí điểm hay, chi tiết khác:

Bài tập Unit 5: Cultural identity

Bài tập Unit 6: Endangered species

Bài tập Unit 7: Artificial intelligence

Bài tập Unit 8: The world of work

Bài tập Unit 9: Choosing a career