Unit 10 CONSERVATION – Bài tập Tiếng Anh 10

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A.READING

Part 1. Read the passage and choose the best option (A, B, C or D) to complete each of the following sentences.

Rainforests cover about 7 percent of the earth’s area, but they have 100,000 kinds of plants, probably half of all the kinds of plants on earth. Twenty percent of our different kinds of medicine comes from rainforests. The glue on an envelope and in shoes comes from tropical plants. Rainforests provide materials for hundreds of other products.

Rainforests are also very important to the world’s climate. The Amazon rainforest alone receives about 30 to 40 percent of the total rainfall on earth and produces about the same percentage of the world’s oxygen. No one knows how the decreasing size of the world’s rainforests will affect the earth’s climate.

But there is a great danger that the world’s rainforests will disappear completely. What are the reasons for this disaster and can anything be done to stop it? Two examples show how the situation varies from country to country.

In Brazil, the demand for farmland leads to the clearance of large areas of forest so that crops can be grown. In practice, the land is not suitable for farming because the soil soon loses its fertility and it is also baked by the sun. The farmers therefore abandon one area very quickly and move on to another. The only solution would be to stop all clearance immediately – although this would not replace the forest which has already been lost.

In South East Asia – on the island of Borneo, for instance – jungle is destroyed by the wood industry. The removal of hardwood trees for sale to the world furniture and building industries destroys enormous areas of natural forest. Here the remedy is to reduce the cutting of trees or to remove trees more carefully and to replant with young trees.

Saving our rainforests is an international problem. Only immediate protection of the forests will guarantee the future existence of the world’s most important green areas.

1.The main idea of the first paragraph is that__________ .

A. rainforests cover only a small part of the earth’s area

B. there are very many kinds of plants in rainforests

C. rainforests cover a small area of the earth but they provide a lot of products

D. different kinds of medicine come from rainforests

2. Rainforests are important to all of us because____________.

A. they provide us with many kinds of trees for sale to the world industries

B. they produce the world’s oxygen

C. they are the home of numerous kinds of animals

D. they not only provide many materials for countless products but also affect the world’s climate

3.In Brazil, large areas of forest are cleared___________ .

A. because of the demand for farmland

B. because the farmers like to move from one place to another

C. because the sun is so strong that it bakes the land

D. because the land is not fertile

4.In paragraph 5, the word “enormous” means____________.

A. very many

B. extremely large

C.  countless

D. rather large

5.To save our rainforests, we should___________ .

A. stop all clearance immediately

B. reduce the cutting of trees and replant with young trees

C. work together with other nations to find a solution

D. all A, B and C

Part 2. Read this story about the rescue of a whale and do the tasks that follow.

It was an anxious moment, but I was confident that we would succeed. The whale was clearly exhausted after its long ordeal, and could not survive for much longer. But the tide was beginning to come in, and we had already managed to slip a harness under it, so that the boat could pull it gently back out to sea.

It had been a long and difficult operation that started in the morning. We had received a call saying that there was a whale on the beach; it had obviously lost its way during the night and had swum into the bay, where it had got stranded on the beach after the tide had gone out.

When I felt the moment was right, I gave a signal to the man in the boat. The rope tightened, and the whale slowly began to be pulled forwards. It remained still for some time, then, as it reached the deeper water, it struggled violently, slipped out of the harness, and began to swim off towards the open sea.

Exercise 1. Match the word in column A with its meaning in column B.

A B
1.ordeal

2.harness

3.stranded

4. still

5.slip

a. unable to get back to the sea

b. motionless

c.move smoothly and quietly

d. difficult and unpleasant experience

e.set of straps fastening round the body of someone to prevent him from moving too much

 

Exercise 2. Number the events in the order in which they happened. Write each number in a box.

The rescuers received a phone call.

 The whale got lost.

The rescue operation started.

The tide began to come in.

The whale swam away.

The whale got stranded on the beach.

The whale was pulled out to the sea.

The writer gave a signal to the man in the boat.

The tide went out.

The rescuers put a harness under the whale.

B.LANGUAGE FOCUS

Exercise 1. Read aloud the dialogue, paying attention to the sounds /b/ and /p/. Barb: It’s my birthday today, Peter.

Peter:    Oh, yes. Happy birthday, Barb.

Barb:     Thank you, Peter. Look at the presents my parents and brother gave me.

Peter:    I didn’t remember your birthday, Barb. I’m terribly sorry.

Barb:     Well, you can buy me a big bottle of perfume, Peter!

Exercise 2. Rewrite the following story, using the passive in the numbered sentences.

Last Tuesday Ted received a letter from the local police. (1) In the letter, the police asked him to call at the station. (2) Ted wondered why the police wanted him. So yesterday he went to the station. (3) There, a smiling policeman told him that they had found his bicycle. (4) Five days ago, someone picked up the bicycle in a small village four hundred miles away. (5) Now they are sending it to his home by train. Ted was most surprised when he heard the news. (6) He was also amused because he never expected the police to find the bicycle. (7) Somebody stole it twenty years ago, when Ted was a boy of fifteen.

Exercise 3. Choose the best option (A, B, C or D) to fill the blank.

In 1712 Daniel Defoe met Alexander Selkirk, a sailor whose unusual adventures(1)_______________ the writer. After a conflict with his officer, Selkirk(2)_______________ on a desert island. For more than four years he (3)_________________alone on that island, managing not only to stay alive but also to make himself rather comfortable. At last, the sailor (4)_________________ by a passing ship. When Selkirk (5)___________Several articles of his adventures (7)_________read and admired. However, by the time Defoe (8)_____________the sailor (9)_________________ . So Defoe (10)_____________book of a man named Robinson Crusoe.

1.A.impress                                             B. Would impress

C.impressed                                            D.hadimpressed

2.A.left                                                      B.had left

C.was left                                                  D.had been left

3.A.had lived                                            B.lived

C.must live                                                D.was living

4.A.was saved                                           B.had been saved

C.would save                                             D.would be saved

5.A. returned finally                                 B.finally returned

C.had finally returned                              D.had returned finally

6.A. much talked                                        B.talked much

C.had talked much                                     D.had been much talked

7.A.published                                               B.had been published

C.had published                                          D.were published

8.A.had met                                                  B.would meet

C.meeting                                                       D.met

9.A.forgot                                                        B.had forgotten

C.had been forgotten                                     D.was forgotten

10.A.started                                                     B.would started

C.had started                                                   D.had been started

ĐÁP ÁN

A.READING

Part 1.

1.C                    2.D                     3.A                     4.B                     5.D

Part 2.

Exercise 1.

1.d                      2.e                   3.a                   4.b                      5.c

Exercise 2.

(4) The rescuers received a phone call. 

(1) The whale got lost.

(5) The rescue operation started.

(7) The tide began to come in.

(10) The whale swam away.

(3) The whale got stranded on the beach.

(9) The whale was pulled out to the sea.

(8) The writer gave a signal to the man in the boat.

(2) The tide went out.

(6) The rescuers put a harness under the whale.

B.LANGUAGE FOCUS

Exercise 2.

(1) In the letter he was asked to call at the station.

(2) Ted wondered why he was wanted by the police.

(3) There, he was told by a smiling policeman that his bicycle had been found.

(4) Five days ago, the bicycle was picked up in a small village four hundred miles away.

(5) It is now being sent to his home by train.

(6) He was amused too, because he never expected the bicycle to be found.

(7) It was stolen twenty years ago, when Ted was a boy of fifteen.

Exercise 3.

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

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