1. 阅读理解

    Wateris so important to people that we can't live without it. Water is thesourceof life. If there is not enough water, our life will be difficult to go on. Forexample, it has little rain in some places. Farmers there don't have enoughwater for growing rice and vegetables. So people in the city may not get enoughfood.

   There's much water on the Earth, but most of it is salty ocean water. Infact, most of the water in the world is not fit to drink. Groundwater is freshand drinkable, but it is very easy to be polluted. At the same time, it is noteasy to clean up dirty or salty water. So it is very important to save water.Here are the things we can do in our daily lives.

    Don'tleave the water running when we brush our teeth.

    Takea shower instead of a bath, because taking a bath uses much more water than ashower—about twice as much. What's more, we can take shorter showers.

    Wecan clean the floor with the water used for washing vegetables.

1. （1） What does the word "source" in the first paragraph mean in Chinese?

   A . 发生 B . 来源 C . 资料 D . 动力
3. （2） Most of the water in the world is_______________.

   A . fresh and drinkable B . ocean water and not drinkable C . under the ground D . dirty or salty water
5. （3） To save water, we should ________.

   A . drink less water B . take a bath every day C . take shorter showers D . clean the floor without water
7. （4） If we use 50 litres to take a shower, we will use about__________ litres water to take a bath.

   A . 60 B . 80 C . 90 D . 100
9. （5） Which of the following is TRUE about the article?

   A . Most of the water in the world is drinkable. B . Only a small part of the water in the world is drinkable. C . Groundwater is fresh but salty. D . It is easy to clean up ocean water.