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人教版九年级上册Unit 1 The Changing World综合习题演练姓名:_ 班级:_ 成绩:_一、单选题1 . _ is less than _.AFirst-three; first-threesBOne-third; two-thirdCOne-third; two-thirdsDFirst-three; one-threes2 . Our teacher told us that light _ much faster than sound.AtraveledBtravelsCis travelingDwas traveling3 . The population of Shanghai is larger than _ of Shenyang.AthatBitConeDthis4 . I usually have some bread and an egg _ breakfast.AforBtoCatDon5 . The Greens _ China for seven years.Ahave come toBhave been toChave come inDhave been in6 . Xian is a city with many places of interest and _ tourists come here every year.Athousand ofBthousandCthousandsDthousands of7 . Hurry up, _ youll miss the train.AbutBsoCandDor8 . It took Andy two hours _ his homework yesterday evening and I spent _ mine. .Adoing; less time finishingBdoing; more time to finishCto do; more time to finishDto do; less time finishing9 . _ you _ your homework yet?Yes, I _ it ten minutes ago.ADid; do; finishedBHave; done; have finishedCHave; done; finishedDWill; do; finish10 . Baymax(大白) is a cartoon characteris very popular with young people nowadays.AwhichBwhoCwhomDwhat11 . In our class _ of the students _ girls.Athird fifths; isBthird fifth; areCthree fifth; isDthree fifths; are二、阅读单选In every country, there are thousands of people who want to help out. Many join organizations run (管理) by their governments, for example, the Peace Corps in the United States and Voluntary Service Overseas in Britain. Since the powerful (猛烈的) earthquake took place in Sichuan, more than 200 thousand volunteers across China have been helping there! They do all kinds of work or come up with ways to help improve life. Some offer their professional skills for free. Others have no qualifications (资历), but they love to work hard to help.One of the most famous volunteers in the world was Mother Teresa. She could be the best volunteer because she gave her life to helping the poorest people of Calcutta. She helped the homeless, cared for the sick, gave out food, and became the mother of those without families.Now more and more teenagers actively look for volunteering opportunities, too. They volunteer because they think it will be fun or they will learn something. They also like the idea of being helpful to others, even if it is just handing out books for the teacher. As they get older, these reasons are still the same, but there are other important reasons for volunteering such as learning on-the-job, getting work experience, and improving their social life.All volunteers bring joy to the people they help in so many ways. They might read books to the blind, fix up broken homes, find ways to get water for villages. Could you be a volunteer? What kind of volunteer work could you do? There is someone in the world who needs you.12 . The Peace Corps is _ in the United States.Aa cityBan organizationCa volunteerDa school13 . The word those in the passage means _ .Athe homelessBthe sickCthe poorDthe kids14 . What is NOT the reason for teenagers to be volunteers according to the passage?AThey want to make more friends.BThey want to be helpful.CIt helps them get work experience. DIt can improve their social life.15 . Which of the following is true according to the passage?AVolunteers need qualifications. BVolunteers offer their help without any pay.CYoung kids cant be volunteers.DSome volunteers bring joy to others.16 . What is the main idea of this passage?AThe world needs volunteers.BMother Teresa was a great volunteer.CVolunteers do all kinds of work.DThere are different ways of volunteering.三、多任务混合问题Look at the centre circles of Diagram (图)A and Diagram B. Which of the centre circles looks larger? In fact, they are exactly the same size.Then look at the picture on the right. What do you see? A vase? Or two faces？Does the picture change quickly from one to the other again and again? Maybe or maybe not, but you can never see them at the same time.“Whats happening? Is something wrong with my eyes?” You may wonder at what you see. Dont worry. Here is how it goes:When we look at things, our eyes send messages to our brains and then our brains interpret（解读）the information. However, sometimes our brains interpret the received information in a wrong way. It seems that our eyes are playing a joke on us. This often happens and we call it “visual illusion(视觉错误)”.Movie makers often make use of visual illusions. They make the objects around actors much smaller or bigger than usual. This makes us believe that the actors are much larger or smaller than they usually are. The moviesJurassic Parkand Honey I shrunk the kids just make use of visual illusions.17 . Why does the centre circle in Diagram A look smaller than that in Diagram B?Asomething is wrong with our eyesBthe two circles are not the same sizeCour brains interpret the information in a wrong wayDthe two pictures change quickly from one to the other18 . What do movie makers make use of visual illusions for ?ATo help the actors look betterBTo make the actors much braverCTo help the actors become strongerDTo make the actors seem different in size19 . In the picture below, it seems that Line AB is shorter than Line CD, but in fact Line AB is as long as Line CD.Which paragraph can explain what has happened to our eyes?A. The second one.B. The third one.C. The fourth one.D. The sixth one.20 . Whats the right order according to the passage?a. We look at things with our eyes.b. Our brains interpret the messages.c. Our brains tell us what we have seen.d. Our eyes send messages to our brains.Aa d b cBc a b dCa c d bDb c a d21 . Where may this passage be from?AA letterBAn English newspaperCA science bookDAn advertisement四、话题作文22 . 你的朋友Tom由于长时间玩电脑游戏，现在头痛、眼睛不舒服、腰酸背痛，并且睡不好觉。写一篇短文介绍一下他的情况，并给出你对他的建议。提示：1. 远离电脑；2. 每天做眼保健操（do eye exercises）；3. 多锻炼身体，多参加户外运动；4. 多读一些好的课外书，比如5. 多陪伴家人和朋友，比如6. 帮助别人快乐自己，比如要求：1. 要点齐全，并适当发挥；2. 文中不得出现真实的姓名与校名；3. 卷面整洁，书写美观，可适当加23分；4. 词数：80词左右。（开头和结尾已给出，不计入总词数。）Tom is my friend. He plays computer games for a long time._I hope Tom can follow the advice and get better soon.第 8 页 共 8 页参考答案一、单选题1、2、3、4、5、6、7、8、9、10、11、二、阅读单选1、三、多任务混合问题1、四、话题作文1、
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