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Trees are u 1.to men in three important ways. They p2.them with wood and other things. They give people shade in hot days ,and they help to prevent drought(干旱) and floods(洪水).

S3.,in many places of the world, men don’t know the third of these is the most important. They just want to make  money  from the trees. Some people cut down a large n4.of trees in the forests. Usually they are too busy c5.down trees to plant and look after new  trees so the forests  slowly b6.smaller and smaller.

This does not only m 7. that men will have fewer trees. The r 8.are even more serious. For where there are trees, their roots can prevent  the rain from w9.away the soil, but if there are no trees, the rain falls on hard ground and wash away the rich top-soil (地表土). When the top-soil is gone, n10.remains but death.

八年级英语其他题中等难度题

少年,再来一题如何?
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