Unit5 Water is life基础训练卷 一、根据句意、汉语或首字母提示写出单词。 1. The Pacific O_____ is the largest ocean on Earth. 2. We should save f_____ water because it's very limited. 3. Don't w_____ water when you brush your teeth. Turn off the tap! 4. Factories mustn't p_____ the rivers with dirty water. 5. D_____ is a long period of time with no rain, which makes land dry. 6. F_____ can wash away houses and hurt people when it rains heavily. 7. Water is one of the most important natural r_____ in the world. 8. Please fix the leaky tap; it's d_____ water all the time. 9. Remember to turn off the w_____ tap before you leave the bathroom. 10. Plants and animals can't live w_____ water. 11. We need to drink clean and _____ (安全的) water every day. 12. It's everyone's duty to _____ (保护) water resources. 13. The _____ (地下的) water in this area is getting less and less. 14. Water is _____ (宝贵的); we can't live without it. 15. S_____ we don't have enough water, we should learn to recycle it. 16. I s_____ water by using the bath water to clean the floor. 17. The river is so _____ (脏的) that no fish can live in it. 18. We can c_____ rainwater to water our garden. 19. I h_____ ever drink cold water in winter. 20. R_____ water is a good way to reduce waste. 二、根据句意，用括号内所给词的适当形式填空。 1. It's _____ (use) to learn how to save water in daily life. 2. The _____ (pollute) river smells terrible and no one wants to get close to it. 3. We should use water _____ (careful) to avoid waste. 4. _____ (save) water is everyone's responsibility. 5. Most of _____ (we) get clean water easily every day, but some people don't. 6. The _____ (dry) land can't grow any crops because of the drought. 7. Don't leave the tap running. It's a _____ (waste) of water. 8. The government is trying to make the river _____ (clean) again. 9. Water _____ (cover) about 71 percent of the Earth's surface. 10. He is interested in _____ (study) the importance of water. 11. The _____ (danger) flood made thousands of people lose their homes. 12. My mother told me the _____ (important) of saving water when I was young. 13. We can use the _____ (recycle) paper to make crafts. 14. It's _____ (necessary) to turn off the tap when you don't use it. 15. The _____ (pollute) of water is a serious problem we need to solve. 三、单项选择。 ( )1. We should stop _____ water if we want to have enough in the future. A. saving B. wasting C. using D. cleaning ( )2. Water is important _____ all living things on Earth. A. for B. to C. with D. of ( )3. -_____ do we need to save water -Because fresh water is not enough for everyone. A. What B. When C. Why D. Where ( )4. Most of the Earth's water is in the _____, and it's salty. A. rivers B. lakes C. oceans D. wells ( )5. -_____ can we do to save water -We can take short showers instead of baths. A. What B. How C. Where D. When ( )6. There is _____ little fresh water left that we must save every drop. A. so B. such C. too D. very ( )7. The river __ ... ...
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