當(dāng)前位置：滬教牛津版七年級(jí)下冊(cè)《Unit 5 Water》2018年單元測(cè)試卷（5）> 試題詳情

Facts about water
Here are some interesting facts about water：
●About 70% of the human body is water．
●Oceans cover about 75% of the Earth， but ocean water is salty．Therefore most of the water in the world is not drinkable．
●Groundwater may be drinkable， but it is not easy to find groundwater that is clean and safe to drink．
●If water drips from your tap every 10 seconds， you will waster about 315 litres of water a year-enough to fill two baths!
●Having a bath uses about twice as much water as taking a shower．
Having a shower instead of a bath can save up to 400 litres a week．

（1）How many facts does the passage tell us？
Five．
Five．

（2）Why do you think most of the water in the world is not drinkable？
Because oceans cover about 75% of the Earth and ocean water is salty．
Because oceans cover about 75% of the Earth and ocean water is salty．

（3）What water do people drink every day？
Groundwater．
Groundwater．

（4）How many litres of water can fill four baths？
630 litres．
630 litres．

（5）Why does the writer suggest we should take a shower？
Because it can save water．
Because it can save water．

【答案】Five．；Because oceans cover about 75% of the Earth and ocean water is salty．；Groundwater．；630 litres．；Because it can save water．

【解答】

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