题目内容
We all know that 70% of the earth is water．But only 1% of it is clean water．People can't live without water．So it's important for everyone to save water．Here are some tips for saving water．
Indoors：
●Turn the tap off while you are brushing your teeth，washing your hands，doing dishes，taking a shower and so on．
●Catch the cold water that comes out of the tap or shower while you are waiting for the hot water．Use it to water plants or wash your toilet．
●Don't wash clothes too often．When you use the washing machine，make sure there is not only a pair of pants in it．
Outdoors：
●Water the garden and grass at night．This gives water more time to get into the earth without evaporation from the day's heat．
●Plant small trees under big trees．This will help stop evaporation and gives some shade（树阴） for your plants．You can also plant a shade garden under trees．
1.It's important for everyone to save water because ．
A. 70% of the earth is water B. the water on the earth is clean
C. only a small part of the water is clean D. we need it to water plants
2.What does the underlined word "evaporation" mean in Chinese？
A. 流失 B. 蒸发 C. 渗透 D. 锁住
3.The following ways can save water according to the passage except ．
A. planting a shade garden under trees
B. watering the garden and grass during the night time
C. catching the cold water when you wait for the hot water to shower
D. using the washing machine as you like，no matter how many dirty clothes there are．
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