What does the passage mainly talk about?
A.The three benefits brought by trees.
B.Trees and soil conservation.
C.The various uses of trees.
D.The attitude of the government towards trees.
第1题
2000 years ago a country cut down its trees to
A.build houses.
B.make furniture.
C.build warships.
D.make weapons.
请帮忙给出正确答案和分析,谢谢!
第2题
It is implied in the passage that the villager
A.needs a plentiful supply of trees.
B.wants fire wood.
C.wants to sell wood to the townsman to get money.
D.is not aware of the importance of environmental protection.
请帮忙给出正确答案和分析,谢谢!
第3题
What is the most important function of trees?
A.Providing fuel.
B.Offering shade.
C.Preventing natural disasters.
D.Providing charcoal.
请帮忙给出正确答案和分析,谢谢!
第4题
What is the relationship between chemicals and Americas agricultural prosperity?
A.They did not affect it.
B.They helped to create it.
C.They slowed it down.
D.They almost destroyed it.
请帮忙给出正确答案和分析,谢谢!
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