Question

阅读理解

　　There are places in North Africa where green cities once stood. There were gardens, trees and grass. But now these places are like deserts. Scientists began to study this land find out what happened. Many of them believe that the land died when the trees were cut down.

　　Trees help other plants grow. Tree roots hold the soil in place. They keep the soil from blowing away. In forests, leaves on the ground keep rainwater from running off. Trees near farms protect growing plants from strong winds.

　　Once there were hundreds of farms in the southwestern United States. Then the farms turned into fields of dry dust. Trees might have saved these farms. But few trees grow in the dry southwest.

　　Now we try to save trees. In many forests when a tree is cut down, a new tree is planted in its place. We don't want the land to die.

（1）Places where green cities once stood are now turned into _________.

[　　]

A. forests

B. farms

C. fields

D. deserts

（2）After we have read this passage, we know that _________.

[　　]

A. tree roots blow soil away

B. men can destroy the land

C. trees grow only in sandy land

D. men can change trees into other plants

（3）“Trees are helpful for other plants to grow” means __________.

[　　]

A. trees keep other plants green

B. trees help other plants grow

C. trees hold other plants down

D. trees protect other plants from being cut down

（4）Which is right?

[　　]

A. Trees are important to the land.

B. Farms are better than Cities.

C. Trees can destroy the land

D. There are no deserts in Africa.

（5）How can we save trees?

[　　]

A. Trees mustn't be cut down.

B. We must try our best to make trees evergreen

C. When we cut a tree, we must plant a new tree in its place.

D. Trees must grow for so many years.

Answer 1

答案：D;B;B;A;C