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 the USA’s example.We’re planting more and more tress .We’ve built the “Great Green Wall ”of tress across northern pat of our country .The “Great Green Wall”is 7,000 kilometers long ,and between 400 and 1,700 kilometers wide .It will stop the wind from blowing the earth away .It will stop the sand from moving towards the rich farmland in the south .More “Great Green Wall ”are needed .Trees must be grown all over the world. “Great Green Wall ”will make the world better .

根據(jù)短文內(nèi)容，選擇正確答案。

1.In 1620 ,about_____ the USA was covered by forests

A．a(chǎn) third

B．half

C．to thirds

D．a(chǎn) 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 Wall	D．Flowers and glass

 

Answer 1

【答案】

1.B

2.D

3.A

4.D

5.C.

【解析】

試題分析:

1.根據(jù)In 1620,about half the USA was covered by forests .可知選B。

2.根據(jù)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，故選D。

3.根據(jù)The “Great Green Wall”is 7,000 kilometers long ,可知選A。

4.根據(jù)Trees must be grown all over the world.可知選D。

5.根據(jù)“Great Green Wall ”will make the world better .可知選C。

考點：關(guān)于環(huán)保的說明文

點評：本文首先介紹了美國的森林的森林遭到破壞后的結(jié)果，然后重點介紹了中國的北方的綠色長城工程。號召人們多植樹，保護環(huán)境，很有教育意義。