题目内容
Trees are useful to man in three very important ways.
The first important way is that they provide man with 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（阴凉）. On a hot summer day, people are eager(渴望)to have a rest under the tree after they have a long walk. You can imagine how important the shade of a tree is to man and animals.
The third important way is that trees help to prevent drought and floods（防止干旱和洪水）. However, in many parts of the world, man has not realized the third way. They cut trees down in large numbers. In the end, they find that they have lost the best friends they had.
根据短文内容，判断下列句子正误。正确的用“A”表示，不正确的用“B”表示。
1.Trees provide food for man and animals.
A. True B. False
2.In hot summer, trees give us shade to cool.
A. True B. False
3.Cutting down trees in large number can’t cause drought and floods.
A. True B. False
4.The underlined word they refers to man and animals.
A. True B. False
5.Protecting forests is protecting ourselves.
A. True B. False
1.A 2.A 3.B 4.B 5.A 【解析】解析：本文叙述了树木在人们的生活中起着很重要的作用，短文给出了三个方面的作用：一是树可以给我们提供食物、木头和其他的一些产品。二是树木可以给我们提供树荫。三是树可以防止旱灾和水灾。因此如果人们不保护树木，最终就会发现他们失去了最好的朋友。 1.解析：细节判断题。根据第二段句子Trees provide not on...
