Question

根据短文大意选择单词并用其正确形式填入空白处,使补全后的短文意思通顺,语法正确,结构完整.（5分）
walk      way     without     prevent     easy
Trees are useful in three important    1  .The most important way is that they  provide man with food , wood and other products. Trees provide food not only for man, but also for animals.  2   trees, many animals could not live on the earth. It’s not    3  for man to live on the earth, either.
The second important way is that trees give us shade(树荫). On a hot summer day, people are eager to have a rest under the shade of a tree after   4  a long way. You can imagine how important the shade of a tree is to man and animals.
The third important way is that trees help to   5   droughts and flood. However, in many parts of the world, man hasn’t realized it. He has cut trees down in large numbers. In the end, he finds that he has lost the best friends he had.

Answer 1

小题1:ways   
小题2:Without 
小题3:easy
小题4:walking
小题5:prevent

小题1:本文主要谈论树在三个方面是有用的，故本空应填方面的复数ways。   
小题2:第一个重要方面提到，树对于人和动物而言非常重要，如果没有树，动物在地球上将无法生存，故本空填没有的介词Without。 
小题3:对于人类而言，没有树的话，生活在地球上也是不容易的，故本空填容易的单词easy 。
小题4:树的第二个重要方面提到，树给人和动物提供树荫，人走了很长的路之后可以在树荫下休息，故本空填步行的单词walking。
小题5:树的第三个重要方面提到树有助于预防干旱和洪灾，故本空填预防的单词prevent。