3．人类应该怎么办？

2．实际上淡水是非常紧缺的(提示：人口增加，工业用水增加，污染……)

1．人们以为淡水是取之不尽的(提示：雨水、河水、井水……)

5．The purpose of the writer in writing the passage is ___________.

　　　 A．to tell the readers some facts．　　　　

　　　 B．to call on the readers to protect the environment.

　　　 C．to show the facts of floods and its protection．

　　　 D．to predict a sudden flood.

短文改错

I ever worked as a tour guide．One day I saw advertisement in the newspaper．I rang up the company, but I was given the job immediate．They asked me to take a tour around the city next morning．The manager just told me to say anything that I could think about the city．My first tour is terrible．The old bus was not air-conditioned, because it was the middle of summer．It was uncomfortable inside the bus．The tourist soon became very hot and angry．I owned a very hard time．I stayed there for a few weeks, and then left and joined in a better company.

书面表达

目前地球面临水资源危机，请你根据以下提示写一篇100词左右的短文。