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Unit 5 Water is life（含解析）
Section 3 Expressing and communicating ideas
Ⅰ 根据句意和首字母提示填空
1. The tap is dripping(滴水). We must f______ it or we will waste much water.
2. Tom always cares about the environment. Look! He is giving a p______ speech.
3. If we take action now, we can make a big d______.
4. —How can we save water
—We can take shorter s______.
5. When you brush your teeth, you should turn the t______ off.
Ⅱ 根据汉语意思完成句子，每空一词
6. 对于一个学生来说，努力学习应该是生活的一个重要部分。
For a student, working hard should be ______ ______ of life.
7. ——我们需要做什么来保持健康？
——我们需要喝足够的水。
—What do we ______ ______ to stay healthy
—We need ______ ______ ______.
8. 看！有两瓶水。我们把它们喝了吧。
Look! There are ______ ______ ______. Let's drink them.
9. 我们可以用雨水来给植物浇水。
We can ______ rainwater ______ ______ plants.
Ⅲ 阅读理解
Do you know why the Earth is called the “ Blue Planet” Because about 70% of its surface is covered by water! However, there are still millions of people who have to walk for over half an hour to get clean water. Why is it so difficult for them to get clean water Will we run out of water one day
Most of the water on Earth is too salty for us to use. In fact, only about 2.5% of the water on our planet is fresh water. However, we are not able to use all of it. For example, we can't get the fresh water in rocks deep underground. The fresh water that we can use is only about 0.007% of the water on Earth!
Luckily, our planet is very good at holding water. When water turns into water vapour, it doesn't run off into space. Since the atmosphere（大气层）is very cold, the water vapour freezes and falls back to the ground.
The amount of fresh water on Earth stays about the same. However, the number of people on this planet is growing quickly. So, more and more people won't get clean water. If we don't change the way we use water, this situation will become even worse in the future.
10. Water covers about ______ of the Earth's surface according to the passage.
A. one half
B. one third
C. two thirds
D. two fifths
11. Why is it difficult for people to get clean water
A. Because we are able to use salty water.
B. Because clean water turns into water vapour.
C. Because fresh water on the ground is hard to get.
D. Because there is not much fresh water in the world.
12. The underlined part “this situation” in the last paragraph refers to ______.
A. the way we use water
B. the growing number of people
C. the fact that more and more people can't get clean water
D. fresh water remaining as much as always
13. What is the purpose of this passage
A. To explain what the water cycle is.
B. To call on people to save water.
C. To share interesting facts about water.
D. To introduce new ways to get fresh water.
Ⅳ 阅读还原
阅读下面短文，从短文后的五个选项中选出可以填入空白处的最佳选项，选项中有一项为多余选项。
Although the world is hungry, it is even thirstier. 14. ______ This is because about 97% of the water on the Earth is sea water.
How can we avoid（避免）the serious water shortage 15. ______ Then, we should protect our water resources and not pollute them. Lastly, we should discover ways to reuse water. Scientists have got some achievements in this field. But people's need for water is increasing day by day. We still don't have enough water. 16. ______
There is plenty of water in the sea. 17. ______ This is very expensive. If scientists can find cheaper ways to do it, we can solve the problem of the shortage of water.
A. Scientists say about 70% of the human body is made up of water.
B. What else can we do
C. Firstly, we should save water and not waste it.
D. While about 70% of the Earth's surface is covered with water, we are short of drinking water.
E. But we need to take the salt away from the sea water.
Ⅴ 书面表达
假如你是Jack，你留意到学校旁边的那条河流污染很严重，因此你打算写一封信给市长，反映该河流的污染问题，并呼吁大家保护该河流。
内容要点：
1. 很多人把垃圾扔进河里；
2. 一些工厂把废水排进河里；
3. 河水很脏，河里几乎没什么鱼；
4. 对我们来说，保护这条河流是很重要的；
5. 请大家停止污染这条河流；
6. 你的观点。
要求：
1. 短文要包括所给的提示信息，可适当发挥；
2. 词数80左右（短文开头及结尾部分已给出，不计入总词数）。
Dear mayor,
I want to talk to you about the river close to our school.
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Best wishes.
Yours,
Jack
Section 4 Extending and developing competencies
Ⅰ 根据句意及首字母提示填空
1. China is a beautiful country with a large p______.
2. A______ is part of the primary industry(第一产业).
3. T______ between the two countries has increased.
4. From “Made in China” to “Created in China（中国智造）”, China's i______ is seeking for transformation(转型).
5. The truck filled with g______ is running on the road to the wharf(码头).
6. G______ warming is a real problem.
7. The i______ of the company last year was nearly 4,000,000 dollars.
Ⅱ 根据汉语意思完成句子，每空一词
8. 人与社会·和谐家庭 父母在孩子的成长中发挥着重要作用。
Parents play ______ important ______ in children's growth. 全解P182 知识点7
9. 对于学生来说，在国外学习并不容易。
It ______ not easy ______ ______ to study ______.
10. 节约用水是我们的责任。
It is our ______ ______ save water.
Ⅲ 完形填空
Tom was walking along the beach. When he looked at the beach, he saw a man moving like a 11. ______. So he began to walk faster to catch up. But the man was not dancing at all. He was picking up 12. ______ and throwing them into the sea.
He 13. ______ the man and asked, “Good morning! What are you doing ”
The young man looked up and 14. ______, “Throwing starfish into the sea. It's low tide(低潮) now and all of these starfish are on the beach. If I don't throw them, they will 15. ______.”
“Throwing starfish, young man. You cannot 16. ______ all the starfish on the beach. You will ______ make it. Just give it up.”
The young man 18. ______ and continued to pick up another starfish and throw it into the 19. ______. Then he said, “It makes a difference to that one!”
Tom learnt that if each of us tries to do something, our world will be better. So he decided to be one of the 20. ______ on the beach.
11. A. snake B. superman C. dancer D. model
12. A. bottles B. stones C. starfish D. shells
13. A. flew to B. danced with C. walked to D. listened to
14. A. cried B. laughed C. replied D. apologized
15. A. return B. die C. sleep D. disappear
16. A. touch B. kill C. see D. save
17. A. never B. possibly C. finally D. soon
18. A. woke up B. felt encouraged C. gave a smile D. became nervous
19. A. boat B. sea C. sand D. box
20. A. fishermen B. leaders C. helpers D. swimmers
Ⅳ 短文还原
根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有一项为多余选项。
On March 4th, after 10 years of difficult talks, nearly 200 countries agreed to a new UN agreement—the High Seas Treaty (《公海条约》). It is the first of its kind in 40 years. 21. ______
Oceans cover about 70% of the earth's surface, and are home to all kinds of animals and plants. Healthy oceans play a very important role in a healthy planet. 22. ______ Overfishing（过度捕捞）has had a terrible influence on many kinds of fish and other animals. Pollution has caused serious damage(破坏) in many areas.
In 1982, one UN sea agreement described the “high seas”—the parts of the oceans that aren't controlled by any country. 23. ______ The high seas cover about 2/3 of the ocean. But now only 1.2% of these areas are protected. 24. ______ It also requires research should first be done to see what influence humans' activities might have on the ocean environment.
During the past 10 years, the talks were held time and time again. 25. ______ For example, there are disagreements about how much to control fishing or pollution. Now the agreement has a long way to go, which must be officially accepted at a UN meeting and be supported by enough countries before it works.
A. But the oceans are in trouble.
B. And it's a great achievement in protecting the world's oceans.
C. The agreement was finally reached after difficult discussions.
D. So all countries have the right(权利) to fish and send ships there.
E. That is because different countries have their own different ideas.
F. The new agreement helps the goal to turn 30% of the high seas into protected areas.
Ⅴ 短文填空
阅读短文，根据上下文和所给的首字母写出所缺单词。注意使用其正确形式，每空只写一词。
Water and electricity are very important in our daily lives. We 26.n______ water to drink and cook. In addition, water can even be used for 27.p______ electricity. If we waste water, we might not have enough to make electricity. Electricity provides power for our homes, schools, and workplaces. It keeps our electrical appliances such as lights and 28.f______ in the kitchen running.
To protect water and electricity, we can turn off lights and other appliances when they are not in use. We can also fix leaks and save water. Simple actions like these can lead us to a brighter future where we have enough water and electricity for everyone.
In conclusion, water and electricity are 29.c______ with each other. We must continue to take 30.c______ of them both to ensure a better future for ourselves and the next generation.Section 3 Expressing and communicating ideas
Ⅰ 根据句意和首字母提示填空
1. fix。水龙头在滴水，为了避免浪费水，必须修理它，“fix”有“修理”的意思，符合语境，且“must”后接动词原形。
2. public。根据“cares about the environment（关心环境）”以及“speech（演讲）”可推测，他正在做一场关于环保的公开演讲，“public”表示“公开的；公众的” 。
3. difference。“make a difference”是固定短语，意为“有影响；起作用”，这里表示如果现在采取行动，就能产生很大影响，所以用“difference”。
4. showers。根据“How can we save water （我们如何节约用水？）”可知，回答是提出节水的方法，“take shorter showers”表示“缩短洗澡时间”，符合语境，“shower”用复数形式表示泛指。
5. tap。刷牙时应该关掉水龙头，“tap”表示“水龙头” 。
Ⅱ 根据汉语意思完成句子，每空一词
6. an important part。“一个重要部分”可表达为“an important part”，“important”是以元音音素开头的单词，所以用“an” 。
7. need to do; to drink enough water。“需要做某事”用“need to do sth.”；“喝足够的水”是“drink enough water”，“need”作为实义动词，在问句中借助“do”构成疑问，后接动词原形；答句中“need”后接动词不定式作宾语 。
8. two bottles of water。“两瓶水”的常见表达是“two bottles of water”，“bottle”是可数名词，前面有“two”，所以用复数形式“bottles”。
9. use; to water。“用……做某事”用“use...to do sth.”，“浇水”用“water”，这里表示用雨水给植物浇水，所以是“use rainwater to water plants” 。
Ⅲ 阅读理解
10. C。文章提到“Because about 70% of its surface is covered by water”，2/3约为66.7%，最接近70% ，所以选C。A选项“one half（二分之一，即50%）”；B选项“one third（三分之一，约33.3%）”；D选项“two fifths（五分之二，即40%）”均不符合。
11. D。从“Most of the water on Earth is too salty for us to use. In fact, only about 2.5% of the water on our planet is fresh water...The fresh water that we can use is only about 0.007% of the water on Earth!”可知，人们获取干净水困难是因为世界上可使用的淡水不多，D选项正确。A选项，文中提到海水太咸不能使用，A错误；B选项，干净水变成水蒸气不是人们获取干净水困难的原因，B错误；C选项，文中说的是地下深处岩石中的淡水难以获取，不是地面上的淡水难以获取，C错误。
12. C。根据上文“more and more people won't get clean water（越来越多的人将无法获得干净的水）”可知，“this situation”指的是越来越多的人无法获得干净水这一事实，C选项正确。A选项“the way we use water（我们用水的方式）”；B选项“the growing number of people（不断增长的人口数量）”；D选项“fresh water remaining as much as always（淡水一直保持不变）”均不符合语境。
13. B。文章先指出地球水资源的现状，以及人们获取干净水面临的困难，最后强调如果不改变用水方式，情况会更糟，目的是呼吁人们节约用水，B选项正确。A选项“解释水循环是什么”，文章未提及；C选项“分享关于水的有趣事实”，不是文章主要目的；D选项“介绍获取淡水的新方法”，文章也未涉及。
Ⅳ 阅读还原
14. D。前文说“Although the world is hungry, it is even thirstier.（虽然世界很饥饿，但它更缺水）”，D选项“虽然地球表面约70%被水覆盖，但我们却缺乏饮用水”，解释了为什么世界更缺水，承接上文，符合语境。
15. C。后文提到“Then...Lastly...”，这里应是首先应该做的事，C选项“首先，我们应该节约用水，不浪费水”，符合逻辑顺序。
16. B。前文提到采取了一些节水措施但仍然缺水，B选项“我们还能做什么呢？”，起到承上启下的作用，引出下文关于海水淡化的内容。
17. E。前文说“There is plenty of water in the sea.（海里有大量的水）”，后文说“This is very expensive.（这非常昂贵）”，E选项“但是我们需要把海水中的盐去掉”，“this”指代去除海水中盐的过程，符合语境。
Ⅴ 书面表达
Dear mayor,
I want to talk to you about the river close to our school. The pollution of this river is really serious. Many people throw rubbish into it, and some factories pour waste water into it as well. As a result, the river has become very dirty and there are hardly any fish in it.
It's very important for us to protect this river. So I hope everyone can stop polluting it. We should raise people's awareness of environmental protection. Only in this way can we have a clean and beautiful river.
Best wishes.
Yours,
Jack
Section 4 Extending and developing competencies
Ⅰ 根据句意及首字母提示填空
1. population。中国是一个人口众多的美丽国家，“population”表示“人口”，符合语境。
2. Agriculture。农业是第一产业的一部分，“Agriculture”表示“农业”，首字母大写。
3. Trade。两国之间的贸易有所增长，“Trade”表示“贸易”，可作不可数名词 。
4. industry。从“中国制造”到“中国智造”，中国的工业正在寻求转型，“industry”表示“工业” 。
5. goods。装满货物的卡车正驶向码头，“goods”表示“货物”，常用复数形式。
6. Global。全球变暖是一个现实问题，“Global warming”表示“全球变暖”，“Global”首字母大写。
7. income。这家公司去年的收入将近400万美元，“income”表示“收入” 。
Ⅱ 根据汉语意思完成句子，每空一词
8. an; role。“play an important role in...”是固定短语，意为“在……中发挥重要作用”，“important”是以元音音素开头的单词，所以用“an” 。
9. is; for students; abroad。“It is +形容词 + for sb. to do sth.”是固定句型，表示“对某人来说做某事是……的”，“students”表示“学生”，“abroad”表示“在国外” 。
10. duty to。“It is one's duty to do sth.”表示“做某事是某人的责任”，所以填“duty to” 。
Ⅲ 完形填空
11. C。根据后文“But the man was not dancing at all.（但那个人根本不是在跳舞）”可知，Tom一开始看到这个人的动作像在跳舞，“dancer”表示“舞者”，所以选C。A选项“snake（蛇）”；B选项“superman（超人）”；D选项“model（模特）”均不符合语境。
12. C。从后文“Throwing starfish into the sea.（把海星扔进海里）”可知，这个人在捡海星，“starfish”表示“海星”，所以选C。A选项“bottles（瓶子）”；B选项“stones（石头）”；D选项“shells（贝壳）”均不符合。
13. C。Tom走向这个人并询问他在做什么，“walk to”表示“走向”，符合语境，所以选C。A选项“flew to（飞向）”；B选项“danced with（与……跳舞）”；D选项“listened to（听）”均不符合。
14. C。年轻人抬头回答Tom的问题，“reply”表示“回答；回复”，所以选C。A选项“cried（哭）”；B选项“laughed（笑）”；D选项“apologized（道歉）”均不符合。
15. B。如果不把海星扔进海里，它们会死去，“die”表示“死”，所以选B。A选项“return（返回）”；C选项“sleep（睡觉）”；D选项“disappear（消失）”均不符合。
16. D。Tom认为年轻人不可能拯救海滩上所有的海星，“save”表示“拯救”，所以选D。A选项“touch（触摸）”；B选项“kill（杀死）”；C选项“see（看见）”均不符合。
17. A。Tom觉得年轻人不可能完成拯救所有海星这件事，“never”表示“从不；绝不”，所以选A。B选项“possibly（可能地）”；C选项“finally（最后）”；D选项“soon（很快）”均不符合。
18. C。年轻人笑了笑，继续捡海星，“give a smile”表示“微笑”，所以选C。A选项“woke up（醒来）”；B选项“felt encouraged（感到受鼓舞）”；D选项“became nervous（变得紧张）”均不符合。
19. B。年轻人把海星扔进海里，“sea”表示“海”，所以选B。A选项“boat（船）”；C选项“sand（沙子）”；D选项“box（盒子）”均不符合。
20. C。Tom受到启发，决定成为海滩上帮助海星的人之一，“helpers”表示“帮助者”，所以选C。A选项“fishermen（渔民）”；B选项“leaders（领导者）”；D选项“swimmers（游泳者）”均不符合。
Ⅳ 短文还原
21. B。前文提到“nearly 200 countries agreed to a new UN agreement—the High Seas Treaty（近200个国家达成了一项新的联合国协议——《公海条约》）”，B选项“这是保护世界海洋的一项伟大成就”，承接上文，对该协议进行评价，符合语境。
22. A。前文说健康的海洋很重要，后文提到过度捕捞和污染带来的问题，A选项“但是海洋正处于困境中”，起到转折作用，引出下文海洋面临的问题，符合逻辑。
23. D。1982年的联合国海洋协议描述了公海，D选项“所以所有国家都有权在那里捕鱼和派遣船只”，解释了公海的相关规定，与前文衔接紧密。
24. F。前文提到公海目前只有1.2%的区域受到保护，F选项“新协议有助于实现将30%的公海变为保护区的目标”，说明新协议对保护公海的作用，符合语境。
25. E。前文说过去10年谈判多次举行，后文举例说明存在的分歧，E选项“这是因为不同国家有不同的想法”，解释了谈判困难的原因，符合逻辑。
Ⅴ 短文填空
26. need。我们需要水来饮用和烹饪，“need”表示“需要”，句子描述一般事实，用一般现在时，主语“We”是复数，所以用动词原形“need”。
27. producing。“be used for doing sth.”表示“被用于做某事”，“produce”表示“生产”，这里指水可用于发电，所以用“producing”。
28. fridges。根据“electrical appliances（电器）”以及“in the kitchen（在厨房）”可知，这里说的是冰箱，“fridge”表示“冰箱”，用复数形式“fridges”表示泛指。
29. connected。水和电相互关联，“be connected with”表示“与……有关联”，所以用“connected”。
30. care。“take care of”表示“照顾；照料”，这里表示我们必须照顾好水和电，所以用“care”。

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