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2024年3月22日发(作者:w3c标准的浏览器)

If you travel by air across the center of Africa or south .

America , you fly over forests for thousands of kilometers .These

great forests are the oceans of trees . There are full of thousands and

thousands of different kinds of plants and animals .

However , the worlds forests are getting smaller all the time .

We are cutting down the trees because we need wood , and we need more farm

land . Some people say that there will not be any forests like these in

20 or 30 years . what will happen if they disappear

If we cut down our forests, a lot of plants and animals will

disappear from the world . In a lot of places the new farm land will soon

look like the old deserts . Crops will not grow there . It will not rain

very often , and the weather will get very hot . Perhaps the climate of

the world will change . This will be dangerous for everyone in the world .

That is why we must take care of our forests .

___1. The passage mainly tells us about ____ .

A. the importance of taking care of our plants

B. the result of cutting down the trees

C. the locations of great forests

D. the reasons for forming the deserts

___2. Which of the following is true according to the passage

A. Africa and South America are the oceans of trees .

B. Forests are homes for different kinds of animals .

C. Forests are usually several square kilometers large

D. Different plants can't be found in the same forest .

___3. The need for more wood and more land results in ____ .

A. the change of the world climate

B. the disappearance of many plants and animals

C. more deserts and less farm land .

D. all of the above

___4. What will happen in 20 or 30 years in some people's view

A. We'll have more and greater forests .

B. We'll have enough land to support our people .

C. We'll have no forests like those in the center of Africa .

D. We'll have enough wood to do some cooking .

___5. The writer thinks ____ .

A. it dangerous for everyone to cut down the forests

B. it necessary for everyone to protect the forests

C. it important for everyone to take care of the world

D. it important for everyone to keep animals

A traveller hurried down to the hall of an American hotel and went

to the cash-desk . He had just 15 minutes to pay his bill and get to the

station . Suddenly he remembered that he had left something in his room .

"Look here , boy , " he said to the bellboy , "run up to my room

and see if I have left a parcel on the table there . Be quick about it ."

The boy tan upstairs . Five minutes passed . The traveler was

walking up and down the hall , looking very angry . At last the boy

appeared .


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