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Unit 1 Water基礎(chǔ)知識(shí)綜合練習(xí)（滬教版（五四學(xué)制）英語(yǔ)八上）
一、根據(jù)音標(biāo)或中文寫出下列單詞或短語(yǔ)的英文表達(dá)（每題1分，共10分）
/ l kw d/ ____________
/ s l d/ ____________
/ɡ s/ ____________
/ste t/ ____________
/fri z/ ____________
沸騰 ____________
蒸發(fā) ____________
凝結(jié) ____________
資源 ____________
保護(hù) ____________
二、根據(jù)句意、漢語(yǔ)提示或括號(hào)內(nèi)所給詞的適當(dāng)形式填空（每題1分，共20分）
Water exists in three __________ (state).
When water __________ (freeze), it turns into ice.
The sun helps water __________ (evaporation) from the surface of the earth.
We should save water because it is a precious __________ (resource).
Water is __________ (essential) to all living things.
Without water, there __________ (be) no life on earth.
We use water for __________ (drink), cooking and cleaning.
Farmers use water __________ (grow) crops.
Factories use water __________ (produce) goods.
The water cycle is nature's way of __________ (recycle) water.
We should take care of our water resources and not __________ (waste) them.
Water from rivers and seas __________ (turn) into vapor when it is heated.
When the vapor cools, it __________ (condense) into drops of water.
The rest of the water __________ (be) used for other purposes.
There are billions of __________ (drop) of water in the ocean.
We need to protect our water sources from __________ (pollute).
The government is taking measures to save __________ (fresh) water.
It's important to save water by __________ (turn) off taps when not in use.
We can also save water by taking __________ (short) showers.
Water is a __________ (use) substance in our daily life.
三、單選（每題1分，共10分）
1.Water is very important ______ us.
A. to B. for C. with D. of
2.The water cycle is nature's way of ______ water.
A. recycle B. recycling C. recycled D. recycles
3.When water boils, it changes ______ steam.
A. into B. to C. for D. with
4.We should save water, because it's not ______.
A. end B. endless C. ending D. ended
5.All living things need water ______.
A. live B. to live C. living D. lived
6.Water covers about 70% of the earth's ______.
A. surface B. earth C. ground D. floor
7.The water in the ocean is ______.
A. sweet B. salty C. fresh D. clean
8.When it's very cold, water ______ into ice.
A. will turn B. turns C. is turning D. turned
9.We can save water by ______ the tap when we brush our teeth.
A. turning on B. turning off C. opening D. closing
10.Water is used ______ many ways in our daily life.
A. on B. by C. in D. with
四、根據(jù)漢語(yǔ)提示完成下列句子（每題2分，共10分）
1.水以三種狀態(tài)存在：固態(tài)、液態(tài)和氣態(tài)。
Water exists in three states: ________, ________ and __________.
2.水被稱為生命之源。
Water __________ __________ the source of life.
3.我們應(yīng)該節(jié)約用水。
We should __________ __________.
4.水對(duì)所有生物都至關(guān)重要。
Water is __________ __________ all living things.
5.水可以從一種狀態(tài)變成另一種狀態(tài)。
Water can __________ __________ one state to another.
五、句型轉(zhuǎn)換（每題2分，共10分）
1.We use water to wash clothes. (改為被動(dòng)語(yǔ)態(tài))
Water __________ __________ to wash clothes.
2.Water is important to us. (改為感嘆句)
__________ __________ water is to us!
3.People waste a lot of water every day. (對(duì)劃線部分提問(wèn))
__________ __________ people waste every day
4.The water cycle is very important. (改為一般疑問(wèn)句)
__________ the water cycle very important
5.We should save water because it's precious. (對(duì)劃線部分提問(wèn))
__________ __________ we save water
六、完型填空（每題2分，共20分）
Water is the most important 1_____on Earth. All living things need water to 2___.Water covers about 71% of the Earth's3___ .
Water exists in three 4____ : solid, liquid and gas. When water 5____ below 0℃, it becomes ice. When it is 6____ to 100℃, it turns into steam. The 7____ of water from one state to another is called the water 8____ .
We use water in many 9____ . We drink it, wash with it, and use it to 10___ plants. However, many people 11____ water. We must 12____water because it is not 13____ . We can save water by 14____ off taps and fixing 15_____ pipes.
( )1. A. thing B. substance C. object D. matter
( )2. A. live B. life C. living D. lives
( )3. A. surface B. earth C. ground D. floor
( )4. A. states B. ways C. forms D. kinds
( )5. A. freezes B. freeze C. froze D. freezing
( )6. A. heat B. heating C. heated D. heats
( )7. A. change B. changes C. changing D. changed
( )8. A. circle B. cycle C. turn D. round
( )9. A. ways B. methods C. means D. manners
( )10. A. grow B. plant C. feed D. raise
( )11. A. save B. waste C. use D. drink
( )12. A. save B. waste C. use D. drink
( )13. A. end B. endless C. ending D. ended
( )14. A. turn B. turning C. to turn D. turned
( )15. A. leak B. leaks C. leaking D. leaked
答案
一、
1.liquid 2. solid 3. gas 4. state 5. freeze 6. boil 7. evaporate 8. condense 9. resource 10. conservation
二、
states 2.freezes 3.evaporate 4.resource 5.essential 6.would be 7. drinking 8. to grow 9. to produce 10. recycling 11. waste
12. turns 13. condenses 14. is 15. drops 16. pollution 17. fresh 18. turning 19. shorter 20. useful
三、
1.A 2. B 3. A 4. B 5. B 6. A 7. B 8. B 9. B 10. C
四、
1.solid; liquid; gas 2. is called 3. save water 4. essential to 5. turn into
五、
1.is used 2. How important 3. What do 4. Is 5. Why should
六、
B 2. A 3. A 4. A 5. A 6. C 7. A 8. B 9. A 10. A 11. B 12. A
13. B 14. B 15. C

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