成人学位英语考试：阅读理解考前练习(十)

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For centuries Dutch engineers have been fighting a war against water. Their main ene-my is the sea. A large part of the country is below sea level. In fact,Holland is also called the "Netherlands" which means "low land." Very tall and strong walls,called dykes, have built to keep out the sea. But in very rough weather the sea may suddenly burst through a dyke. Great damage can be caused by floods when this happens.

Three large rivers are also part of the problem.-They flow through Holland into the North Sea. They have cut many passages across the country. At low tides, the rivers flow into the sea as usual, But at high tide,the sea can flow into the rivers! This is because the land is so low.

The battles against the water never end, but they have made Holland a bigger and bigger country. In order to prevent floods, the engineers take, or reclaim, land that was under water. The Dutch have been reclaiming land for seven hundred years.

Land is usually reclaimed from a passage between islands. Two dykes are built across the passage, so they block the water between them. Then the engineers dig long canals and pump the water into them. At low tide, the canals empty the water into the sea.

Because the land is so low, water from the sea and rivers can rise up through the ground. For this reason, the pumps continue working. The dykes contain gates, and through these the water is pumped out. In many parts of Holland, pumps must be working all the time. If they stopped, there will be very bad floods.

A piece of reclaimed land is called polder,and Holland has thousands of polders. Some are very large, but others are quite small. There are farms on many of the polders. Corn and other crops grow well on the drained land, and it gives good grass for cattle. Many small towns and villages stand on polders. Even′Amsterdam′s great airport was built on reclaimed land.

31.Water is the main threat to Holland because__________.

A.the sea is too rough

B.the land is lower than the sea

C.the dykes can not keep the floods out

D.the weather is too rough

答案：B

32.Holland is threatened not only by the sea,but also by__________.

A.the floods from broken dykes

B.the three rivers

C.the low tides and high tides

D.many passages of the rivers

答案：B

解析：细节判断题。第二段开头提到：Three large rivers are also part of the problem(三条大的河也是一个问题)，所以选B。选项D中说到河流的分支，这是属于三条大河所造成的问题，不能作为本题的选项。

33.The Holland reclaim land from the sea in order to__________.

A.prevent floods

B.make their country larger

C.make their country more beautiful

D.have more farmland

答案：B

解析：细节判断题。第三段开头提到：The battle against the water never end，but they have made Holland a bigger and bigger county(与洪水的斗争一直没有停，但这使荷兰成为越来越大的国家)。所以选B。

34.If pumps stop working there will be very bad floods because__________.

A.the water will run back at high tide

B.the sea may break the dykes in rough weather

C.the battle against water will never end

D.the land is too low and water can rise up through the drained land

答案：D

解析：细节判断题。第五段开头提到：Because the land is so low，water from the sea and rivers can rise up through the ground，选项D正是这句话的改写。

35.The word "polder" means__________.

A.a piece of newly-claimed land

B.a small island

C.a newly built dyke

D.a long canal

答案：A

解析：语义词义题。后一段提到：A piece of reclaimed land is called polder(重新收回的土地叫开拓地)。所以答案是A。

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