Trees are useful to man（人類）in three very important ways. The first important way is that they provide man with food, wood and other products. Trees provide not only man with food, but also many animals with food. Without trees many animals could not live on the earth. It's not easy for man to live on the earth, either.
The second important way is that trees give us shade. On a hot summer day, people are eager(渴望)to have a rest under the shade of a tree after they have walked a long way. You can imagine how important the shade of a tree is to man and to animals.
The third important way is that trees help to prevent drought（干旱）and floods（洪水）. However, in many parts of the world, man has not realized the third important way. He has cut trees down in large numbers. In the end he finds that he has lost the best friends he had.
小題1:Trees are important to man in       ways.
A．2B．3C．4D．5
小題2:Which sentence is true?
A．Trees give food to both man and animals.
B．Trees only provide animals with food.
C．Trees give food to neither man nor animals.
D．Trees only provide man with food
小題3:On a hot summer day,        .
A．people are eager to have a rest
B．people usually walk a long way
C．a(chǎn)nimals don't need shade
D．the shade of a tree is very important to man and to animals
小題4:In many parts of the world, man has not realized that trees help to          
A．give us food B．give us shade
C．prevent drought and floodsD．give us wood
小題5:In this story the underlined word "He" means       .
A．farmerB．manC．workerD．boy

小題1:B
小題2:A
小題3:D
小題4:C
小題5:B

試題分析：這篇短文主要從三個方面說明了樹木對于人類的重要性。
小題1:根據(jù)第一段Trees are useful to man（人類）in three very important ways.描述，可知選B。
小題2:根據(jù)第一段Trees provide not only man with food, but also many animals with food.描述，可知選A。
小題3:根據(jù)短文第二段描述，可知選D。
小題4:根據(jù)第三段The third important way is that trees help to prevent drought（干旱）and floods（洪水）. However, in many parts of the world, man has not realized the third important way.描述，可知選C。
小題5:聯(lián)系前文man has not realized the third important way.描述，可知選B。
點評：本文淺顯易懂，層次分明，學(xué)生很容易把握文章中心內(nèi)容。答題中注意帶著問題閱讀短文，一般就能順利找出答題依據(jù)。對于不能直接找到根據(jù)的問題注意聯(lián)系上下文，根據(jù)短文中心總結(jié)出正確答案。
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