牛津版 (深圳&广州)七年级下册（2012秋审查）Unit 5 Water练习题课件ppt

这是一份牛津版 (深圳&广州)七年级下册（2012秋审查）Unit 5 Water练习题课件ppt，共26页。PPT课件主要包含了important，water，teeth，much，Where，drinking，need，learn，salt，Salt等内容，欢迎下载使用。

一、完形填空。Water cvers abut 70% f the Earth’s surface(表面). But why d we still say we are shrt f water? Because abut 97% f the water n the Earth _____1 sea water s we can’t drink r use it fr watering plants.1. A. is B. are C. was D. were
【点拨】考查主谓一致。百分数修饰名词作主语时，谓语动词用单数或复数要根据它所修饰的名词的单复数来确定。water不可数名词，谓语动词用单数，这里用一般现在时。 故选A。
We can nly drink and use the 3% f the fresh water _____ 2 rivers and lakes.2. A. with B. by C. frm D. int
【点拨】考查介词的用法。句意：我们只能饮用和使用来自河流和湖泊的3%的淡水。frm来自，符合题意。 故选C。
The fresh water n the Earth _____ 3 less and less. It’s time fr us t d smething. We shuld learn t save water in ur daily lives.3. A. t becme B. became C. becming D. is becming
_____ 4 water, we can:• Use less time t take shwers. Take a clck int the bathrm with yu. It can stp yu frm taking a shwer fr a lng time.4. A. Saves B. T save C. Save D. Saved
【点拨】考查不定式用法，不定式表示目的，为了节约用水，我们能…… 故选B。
• Turn the tap ff _____ 5 yu are brushing yur teeth.• Prtect the pipes in cld weather. Brken pipes culd waste as _____ 6 as 90 litres(升)f water a week.5. A. when B. after C. until D. befre6. A. many B. much C. less D. the mst
• Keep a cntainer(容器) f water in the fridge. _____ 7 yu dn’t have t cl the ht water under the tap.7. A. S B. Because C. As D. But
【点拨】考查连词的用法。句意：冰箱里放一个盛水的容器。所以你不必把热水放在水龙头下面冷却。
• Use a bwl fr _____ 8 vegetables instead f washing _____ 9 under the tap.8. A. wash B. washing C. washes D. washed9. A. it B. its C. they D. them
【点拨】考查代词用法。这里指蔬菜，故选D。
• Water yur plants in the evening. This will be gd _____ 10 them and yu will use less water.10. A. fr B. in C. n D. at
【点拨】考查固定搭配。be gd fr 意为“对……有益”。
二、阅读理解。11. What helps water change int vapur?A. The sun. B. The mn. C. The Earth. D. The star.
请同学们看《点拨训练》第58页原文。
【点拨】根据原文第二段中句子The warm sun helps water change int vapur and rise up int the sky.可知答案。
12. Why can NOT we drink cean water?A. Because it is salty. B. Because we dn’t have much cean water.C. Because it is far away frm us. D. Because it is valuable.
【点拨】根据原文第三段中句子Ocean water has t much salt in it.可知答案。
13. What’s the prblem f the peple in the village in Suth America?A. It never rains in their village. B. Their drinking water was t dirty and nt safe.C. They didn’t knw hw t use rainwater. D. They were t pr t buy water.
【点拨】根据原文最后一段中句子Sme peple in a village in Suth America did nt have clean water. Their water was full f il and dirty things.可知答案。
14. The writer wrte the last paragraph mainly t tell us _____.A. many peple in the wrld are pr B. clean water is imprtant t pepleC. we shuld help pr peple D. we shuld save rainwater
【点拨】根据原文最后一段中句子All peple need clean water. They need it fr drinking, fr cking, and fr bathing.可知答案。
15. Where may we get the infrmatin?A. In a dictinary. B. In a strybk. C. In a ckbk. D. On the Internet.
【点拨】根据原文第一段句子Here I want t tell yu sme infrmatin abut water.可知本文主要讲述了水的问题，因此这篇文章不会来自字典、故事书和烹饪书。
三、综合填空。In the United States, we are lucky t have an easy way t get clean water—just ________16 turning n the tap.We wake up in the mrning, take a shwer, brush ur ________17, drink a cup f cffee and g ut t enjy a beautiful day.
imprtant, learn, water, drink, much, where, need, tth, by, r
Water is a (n) _________18 part f ur daily lives and we use it fr different purpses(目的), but d we really understand hw ________19 we use?Each American(美国的) family uses mre than 300 gallns (加仑) f ________ 20 every day at hme. Abut 70% f the use ccurs (发生) indrs.
Water is als imprtant in ur lcal cmmunities (当地社区). Withut water there wuld be n lcal business ________ 21 factries. Schls, parks, and swimming pls all ________ 22 lts f water.
________ 23 des all the water cme frm? It starts ut as rain r snw and flws int ur lcal lakes, rivers and streams. Yu can ________ 24 mre abut water in yur cuntry, fr example, hw peple prtect water and where yur lcal ________ 25 water cmes frm.
四、任务型阅读：阅读下面短文, 根据短文内容, 完成下列各题。 26. What is there in all water? There is sme _________.
请同学们看《点拨训练》第59页原文。
【点拨】根据原文第二段中句子There is sme salt in all water.可知答案。
27. What stays in the cean water when it evaprates? _________stays in the cean water.
【点拨】根据原文第二段中句子Salt cannt evaprate. It stays in the ceans.可知答案。
28. Hw much salt is in the cean water? Abut _________f salt is in the cean water.
【点拨】根据原文第三段中句子There is abut 3. 5% f salt in the cean water.可知答案。
29. Why is the Dead Sea salty?Because the water __________but the salt cannt.
【点拨】根据原文最后一段中句子Sme f the water leaves the lakes. It evaprates, but the salt cannt. These lakes are very salty.可知答案。
30. Where is the Great Salt Lake?It’s in _________in America.
【点拨】根据原文最后一段中句子They are the Dead Sea in the Middle East and the Great Salt Lake in Utah in the United States.可知答案。