A desert is a beautiful land of silence and space. The sun shines, the wind blows, and time and space seem endless. Nothing is soft. The sand and rocks are hard, and many of the plants even have hard 题目和参考答案——青夏教育精英家教网—

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A desert is a beautiful land of silence and space. The sun shines, the wind blows, and time and space seem endless. Nothing is soft. The sand and rocks are hard, and many of the plants even have hard needles instead of leaves.
The size and location(分布) of the world’s deserts are always changing. Over millions of years, as climates change and mountains rise, new dry and wet areas develop. But within the last 100 yeas, deserts have been growing at a frightening speed. This is partly because of natural changes, but the greatest makers are humans.
Humans can make deserts, but humans can also prevent their growth. Algeria Mauritania is planting a similar wall around Nouakchott, the capital. Iran puts a thin covering of petroleum(石油) on sandy areas and plants trees. The oil keeps the water and small trees in the land, and men on motorcycles(摩托车) keep the sheep and goats away. The USSR and India are building long canals to bring water to desert areas.
小题1:In this passage, “needles” refers to _______.

A．small, thin pieces of steel.

B．long, thin pieces of branches.

C．small pointed growth on the stem(茎) of a plant.

D．small, thin pieces of sticks.

小题2:Which of the following is NOT true?

A．The greatest desert makers are humans.

B．There aren’t any living things in the deserts.

C．Deserts have been growing quickly.

D．The size of the deserts is always changing.

小题3:People in some countries are fighting a battle against _______.

A．the growth of deserts	B．the disappearance of desert plants
C．natural changes	D．congenital climate

小题4:We can guess that Mauritania and Algeria belong to _______.

A．Asian countries	B．American countries
C．European counties	D．African countries

小题5:Choose the sentence which best gives the main idea of the passage.

A．The deserts of the world are always changing.

B．Man is to take measures to control the growth of the world’s deserts.

C．Deserts are lands of silence and space.

D．Deserts have grown at a fast pace in the past 10 years.

小题1:C
小题2:B
小题3:A
小题4:D
小题5:B

文章主要讲的是人们正采取措施控制和治理沙漠。
小题1:C。词汇猜测题。从instead of leaves可知needles是沙漠中植物的叶子，众所周知沙漠中植物的叶子是针状的, 再看steel(钢) 、branches(树枝) 、stick(棒) 都不是与叶对应的物体, 只有C项(长在植物茎上的尖的小物体)是“针状叶”的意思，故答案选C。
小题2:B。细节题。从many of the plants even have hard needles instead of leaves可知B项错误。
小题3:A。细节题。从Humans can make deserts, but humans can also prevent their growth(认为可能造成沙漠，但人类也可以防止沙漠的增长)可知答案A正确。
小题4:D。推断题。根据常识非洲沙漠远近闻名, 这说明那里最需要治理, 作者举例也会举典型的, 增加文章的可信度，故答案选D。
小题5:B。主旨题。文章第2 段讲沙漠增长速度惊人，第 3 段举例说明人类正采取措施控制沙漠增长, 可见文章谈沙漠增长的目的是为了引出人类对它的治理，故答案为B。

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