Question

根据短文内容，选择恰当的句子把短文补充完整。注意选项中有一个多余选项。

Of all the things we eat and drink, water is the most important. Not many people realize this, but it is quite true.    1.   , but two or three days without water usually leads to death. Many people do not understand how much water the human body needs at work and many people do not drink enough especially in cold weather.    2.   . Most people drink when they are thirsty, but we often need more water, especially after doing exercise.

___3.   . Water is very important in several different ways. Most people need about five to seven liters of water every day, but we do not need to drink that amount, because a lot of water comes from the food we eat.    4.   , however, we feel tired and may become ill. 

A. If we do not have enough water

B. A man’s body contains 65% --- 75% water

C. Most people drink enough only in hot weather

D. We need to drink water before doing exercise

E. The human body can live without food for a long time

Answer

1.E

2.C

3.B

4.A

【解析】

试题分析：本文讲了喝水的重要性，人类没有食物可以活很长时间，但是没有水，两三天就死了。如果我们不喝足够的水，我们就感觉劳累，并且会生病。

1.根据but two or three days without water usually leads to death.可知这里想说人类没有食物可以活很长时间，但是没有水，两三天就死了，故选E。

2.根据Many people do not understand how much water the human body needs at work and many people do not drink enough especially in cold weather.可知这里想说许多人在天气热的时候，才喝足够多的水，故选C。

3.根据Water is very important in several different ways.可知这里想说人体包含65% --- 75%的水，故选B。

4.根据however, we feel tired and may become ill.可知这里想说如果我们不喝足够的水，我们就感觉劳累，可能会生病，故选A。

考点：补全对话。