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  3. Trees are useful to man in three very important ways, they provide him with

Trees are useful to man in three very important ways, they provide him with

游客2025-03-13  17
问题     Trees are useful to man in three very important ways, they provide him with wood and other products; they give him shade; and they help to prevent droughts (干旱) and floods.
    Unfortunately, man has not realized that the third of these services is the most important. Two thousand years ago a rich and powerful country cut down its trees to build warships, with which to gain itself an empire. It gained the empire, but, without its trees, its soil became hard and poor.’ When the empire fell to pieces, the home-country found itself faced by flood and starvation.
    Even though a government realizes the importance of a plentiful supply of trees, it is difficult for it to persuade villagers to see this. The villagers want wood to cook their food with; and they can earn money by selling wood. They are usually too lazy to plant and look after the trees. So, unless the government has a good system of control, or can educate the people, the forests will slowly disappear.
    This does not only mean that the villagers’ children and grandchildren will have fewer trees. The results are even more serious, for where there are trees their roots break the soil up allowing the rain to sink in—and also bind the soil, thus preventing its being washed away easily but where there are no trees, the rain falls on hard ground and flows away from the surface, causing flood. [br] It is implied in the passage that the villagers______.
选项 A、want a plentiful supply of trees
B、want firewood badly
C、just want to get money
D、don’t realize the importance of trees
答案 D
解析 本题考查考生的推断能力及对文章的理解。此题要求推断言外之意，解题方法同Passage 1的第四题。答案对应第三段第一句话：Even though a government realizes the importance of a plentiful supply of trees，it is difficult for it to persuade villagers to see this．从这句对比来看，应选D。
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