1. 阅读理解。从每小题的三个选项中选出最佳答案。

Water comes from the sea, the rain and the tap. Animals, plants and human beings all need water. It is important for our daily(日常的) life. We use water to wash things. We use water to cook food, make drinks and so on. Firemen use water to put out fires. Farmers use water to grow crops. Water is useful. We mustn't waste （浪费）water. We must save water. Turn off the tap when you are brushing your teeth. Don't take a shower too long. Use the same water many times if you can.

1. （1） Animals, plants and human beings all need ____.

   A . water B . wind C . cloud
3. （2） We use water to ____.

   A . cook food B . make drinks C . cook and make drinks
5. （3） Firemen use water to ____.

   A . grow crops B . make drinks C . put out fires.
7. （4） Farmers use water to ____.

   A . make drinks B . put out fires C . grow crops.
9. （5） We ____ waste water. We ____ save water.

   A . must, must B . mustn't, must C . mustn't, mustn't