Question

In 1620, about half the USA was covered by forests．Today the forests have almost gone． A lot of good land has gone with them, leaving only sand．China doesn't want to copy（照搬） the USA's example．We're planting more and more trees． We've built the " Great Green Wall" of trees across northern part of our country．The Great Green Wall is 7,000 kilometres long, and between 400 and 1,700 kilometres wide． It will stop the wind from blowing（吹）the earth away． It will stop the sand from moving towards (朝，向)the rich farmland in the south． More "Great Green Walls" are needed． Trees must be grown all over the world． Great Green Walls will make the world better．

1.In 1620, about ______ the USA was covered by forests．

A．a third B．half C．two thirds D．a fourth

2.A lot of good land has gone with ______．

A．sand B．water C．wind D．forests

3.The Great Green Wall in China is ______ long．

A．7,000 kilometers

B．1,700 kilometers

C． 7,000 meters

D．400 kilometers

4.Trees must be grown in ______.

A．China B．the USA

C．some countries D．every part of the world

5.______ will make the world better．

A．The Great Wall

B．Tall buildings

C．Great Green Walls

D．Flowers and grass

Answer 1

1.B

2.D

3.A

4.D

5.C

【解析】

1.1】 试题分析:细节理解题。根据In 1620,about half the USA was covered by forests .1620年，大约一半的美国被森林覆盖。可知选B。

2.2】试题分析:细节理解题。根据Today the forests have almost gone .A lot of good land has gone with them。Them指代的是上文提到的the forests，故选D。

3.3】 试题分析:细节理解题。.根据The “Great Green Wall”is 7,000 kilometers long ,绿色长城有7000公里长，可知选A

4.4】 试题分析:细节理解题。根据Trees must be grown all over the world.全世界一定种树。可知选D。

5.5】 试题分析:细节理解题。根据“Great Green Wall ”will make the world better .绿色长城将会让世界变得更好。可知选C。

【考点】健康环保类阅读。