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1、Unit 4 Section II 课时训练i .单词拼写1. This（理论）is helpful to explain how the universe began.答案：theory2. The big project has cost almost as much as one（十亿），dollars.答案：billion3. Two people have been killed in 上he（暴力的）incident on March 2nd. 答案:violent4. Across the（地球）,sea level varies by hundreds of feet.答案:g
2、lobe5. People suffering hunger still（存在）in many parts of the world today. 答案：existII .短语填空begin with, cool down, give birth to, in time, prevent.from1. He finally cheered up when he realized he would arrive to catch theplane.答案：in time2. The government has taken action to the disease spreading tooth
3、er areas.答案：prevent； from3. We should spend our birthdays honouring our mothers who us.答案：gave birth to4. Our long friendship a chance meeting in the park.答案：began with5. The days have, the leaves have turned yellow, and the world is busy preparing herself for winter.答案：cooled downJIL单项填空1. You,ll s
4、ucceed because you are always working hard.A. on timeB. in timeC. at timesD. at the time解析：句意：因为你一直在努力工作，所以你早晚会成功的。ntime “按时”；in time “及 时；迟早；at times “有时”；at the time “当时”。答案:B2. I advise you to give up smnking for it is to your health.A. harmB. harmlessC. harmfulD. harmfully解析：句意：我建议你戒烟，因为吸烟对你的身体有
5、害。be harmful to 对有害”。答案：C3. It is possible to bacteria and other living things in the laboratory.A. multiplyB. requestC. replyD. found解析：句意：在实验室能够繁殖细菌和其他生物。multiply “繁殖”，符合句意。 request 请求”；reply “回答” ；found “建立”。答案：A4. We usually take turns cleaning, and today it is my turn it.A. to do； doingB. do； d
6、oC. done； doingD. to do； to do解析：take turns to do sth. “轮流做某事“；it is ones turn to do sth.“轮到某人做某事 了 o答案：D5. The expression on his face suggested that he was not able to work out theproblem.A. puzzling； puzzlingB. puzzled； puzzledC. puzzling； puzzledD. puzzled； puzzling解析：句意：他脸上迷惑的表情表明他解不出这个令人困惑的问题。外
7、界事物引起表情 变化应用puzzled；修饰problem应用puzzlingo答案：D6. The fact that she was foreign made difficult for her to get a job in that country.A. soB. muchC. thatD. it解析：句意：她是外国人这个事实使她很难在那个国家找到工作。it是形式主语，真正 的主语是 to get a job in that country o答案：D7. She down her book and in bed.A. lay； laidB. laid； layC. lay； layD
8、. laid； laid解析：句意：她放下了书，在床上躺下了。lay “放置”，过去式是laid； lie “躺下”， 过去式是lay。答案:B8. . We suggest that they provide an effective warning system to many of the disastersA. keep； happeningB. prevent； from happeningC. stop； from being happenedD. prevent； from being happened解析：句意：我们建议他们提供有效的预警系统来阻止很多灾难的发生。“preven
9、tfrom doing.” “阻止做 ；“keepdoing.” “使一直做；“happen发生，无被动用法。故B项正确。答案：B9. ItsJohn to be late； hes usually on time.A. unlikeB. likeC. unlikelyD. likely解析：句意：约翰不像是会.迟到的人，他通常都很准时。unlike此处用作介词，意为“不 像；非的特征”，符合句意。unlikely为形容词，意为“不可能的；likely为形容词， 意为“可能的；like作介词或动词，意为“像；喜欢”。答案：A10. More and more young adults are
10、remaining single and this is bringing about a change in the education of young people.A. violentB. traditionalC. reliableD. inspiring解析：考查形容词词义辨析。句意：越来越多的年轻人保持单身，这导致了对年轻人教 育的剧烈变化。violent “猛烈的；激烈的；暴力的；traditional “传统的；reliable 可信 赖的；可依靠的“；inspiring “鼓舞人心的。故选A项。答案：A11. His wife gave birth to a lovely
11、baby and he planned to hold party tocelebrate it.A. a； aB. ； aC. ； theD. the； a解析：give birth t。“产生，分娩”；为固定短语；”举行一个聚会来庆祝”，为泛指； 故B项正确。答案:B12. In many parts of China, there still the idea that boys are more important thangirls.A. existenceB. existedC. is existingD. exists解析：“there exists在/存在。由“still”一词
12、可知,此处最佳时态应为一般现在时。答案：D13. All people, they are old or young, rich or poor, have been trying their best to help those in need since the disaster.A. even ifB. whetherC. no matterD. however解析：句意：自这次灾难以来，所有的人，不管他们是年老的还是年轻的，富有的还 是贫穷的，都在尽自己最大的努力去帮助那些需要帮助的人。whetheror是固定搭配，意 为“无论是还是；不管是还是”。答案：B14. It wasdiff
13、icult a question that people could answer it.A. so； fewB. so； a fewC. such； fewD. such； a few解析：考查so与such的区别。句意：这个问题非常难以至于几乎没人能回答出来。so 后面往往跟形容词，构成结构：so+a力：+冠词+机；而such修饰名词，构成结构：such+ 冠词 + adj.n.Q一个非常难的问题应为：so difficult a question 或 such a difficult question。 第二个空应选择表示否定的few。故选A项。答案：A15. The bank was
14、equipped with new alarm.We can say its safe and reliable completely.A. systemB. wayC. orderD. clock解析：句意：银行安装了新的报警系统。我们可以说这家银行是非常安全和可信的。 system “系统；体系；制度”。故选A项。答案：AIV ,完形填空How, big is space ? That is a question man has been asking since the beginning oftime.When your grandparents were in school, it
15、was that the universe was very 2 perhaps only 5,000 light years 3.500 years ago people considered that the universe was only a little bit 4 than the earth.In modern times with the 5 of technology we are finally starting to 6 the immense（无边的）size of the universe, and it is much bigger than anyone hav
16、e ever imagined.Scientists cannot stretch（伸展）a measuring tape from the earth to a nearby star, so g do they know how far away they are? Scientists use something 9 parallax（视差）.Parallax means 10 that they look at how much the stars move in the sky JI throughout the year as the earth circles the sun.T
17、his is not something 12 to you.In fact if you stretch out your hand in front of you and 13 your thumb, while 14 one eye, and then the other, your thumb will15 to move back and forth.Stars do the 16thing, but our eyes are too close to see the17 .However if we take a picture while on one side of the e
18、arths orbit, and then take another when we get to the 18 side of the orbit, then we have a large enough 19 that we can see the stars?parallax, and 20 how far away they really are.1. A.measuredB. betC. thoughtD. proved解析：根据上下文知，这里表达的是在祖父母上学时人们以为宇宙有多大，不是客观事 实，所以不能用measured/proved,也不是打赌。答案：C2. A.oldB.
19、bigC. mysteriousD. small解析：从后面的only可以看出，在当时大家都认为宇宙只有5,000光年那么大，即人们 以为宇宙比较“小”。答案：D3. A.overB. acrossC. throughD. outside解析：across 此处意为“from one side to the other”。over 指在的上方；through指“从中间穿过“；outside意为“在外面”。答案：B4. A.biggerB. smallerD , nearerC. heavier解析：这里讨论的话题是宇宙有多大，所以不是轻重远近的问题。500年以前人们以为 宇宙仅仅比地球大一点。
20、答案：A5. A.popularityB. powerC. energyD. strength解析：the power of the technology意为“科技的力量”；popularity意为”.普及；流行”； energy意为“能力;精力；活力；能源；strength通常指“（具体的）力气、力量”。答案：B6. A.understandB. controlC. imagineD. feel解析：在科技的帮助下人们开始理解宇宙到底有多大。understand意为“掌握；领会； ，理解；control意为“控制；imagine意为“想象”；feel意为“感觉”。答案：A7. A.wOpUl
21、dB. shouldC. couldD. might解析：宇宙比人们以前所想象的要大得多。答案：c8. A.whatB. whyC. howD. when解析：下文讲了科学家测量天体之间距离的方法，所以用how。答案：C9. A.honoredB. calledC. consideredD. believed解析：科学家用了一种叫作“视差”的方法，所以用called。答案：B10. A.actuallyB. exactlyC. generallyD. simply解析：视差就是由决定新视线的观察位置的变化引起的物体方向的明显变化。simply 意为“仅仅；简单“ ；actually意为“实际上
22、；事实上“ ；exactly意为“确切地”；generally 意为“一般；通常。故simply符合语境。答案：D11. A.in and outB. back and forthC. sooner or laterD. up and down解析：根据10题后可知选B。back and forth意为“来回移动”；in and out意为“进进 出出“；sooner or later意为“迟早；up and down意为“上上下下”。答案:B12. A.unacceptableB. unfamiliarC. unbelievableD. unnatural解析：根据下文所举的例子，人们对这一
23、现象并不陌生。unacceptable意为“无法接受 的；不受欢迎的“；unfamiliar意为“不熟悉的；unbelievable意为“难以置信的“；unnatural 意为“不自然的”。答案：B13. A.look atB. shakeC glare atD. notice解析：把手伸到前面并看你的大拇指。shake意为“摇动”；glareat意为“怒视”；notice 意为“注意到”。根据句意，这里仅仅是普通的“看” o答案：A14. A.coveringB. openingC. controllingD. hiding解析：这里指先遮住一只眼睛，会看见拇指在一个位置；然后换另一只，拇指
24、又处于另 一位置。cover有“遮住，覆盖”的意思。答案：A15. A.continueB. happenC stopD . appear解析:continue to move 指“继续移动；happen to move 指“碰巧在移动”；stop to move 指“停下来然后移动”。这里指人的一种感觉，大拇指会显得来回移动。答案：D16. A.commonB. differentC. strangeD. same解析：举例就是为了说明视差是如何产生的，所以这里归到主题，说明可以采用同一种 方式去测量。答案：D17. A.resultB. effectC. differenceD. simi
25、larity解析：眼睛之间的距离太近，被观察的物体太远，就很难发现差别。result意为“结果”；effect意为“效果；影响；similarity意为“相似性o答案：CB , same18. A.suitableC. oppositeD. correct解析：在与轨道相反的一侧拍照。答案：C19. A.distanceC. height解析：有足够的距离观察天体的视差。答案：A20. A.realizeC recognizeB lengthD. widthB determineD. design解析：测定天体之间到底有多远。realize意为“意识到；实现“；determine意为“决 定；
26、决心；测定 ；recognize意为“辨认出;承认；design意为“计划，筹划”。答案：BV.阅读理解Satellites are an important part of our ordinary lives.For example, the information for weather forecasts is sent by satellite.Some satellites have cameras which take photographs of the Earth to show, how clouds are moving.Satellites are also used
27、to connect our international phone calls.Computer connections of the World Wide Web and Internet also use satellites.Many of our TV programs come to US through satellites.Airplane pilots also sometimes use a satellite to help them find their exact location.We use satellites to send television pictur
28、es from one part of the world to another.They are usually 35,880 kilometers above the equator.Sometimes we can see a satellite in the sky and it seems to stay in the same place.This is because it is moving around the world at 11,000 kilometers an hourexactly the same speed that the earth rotates.A s
29、atellite must orbit the Earth with its antennae（天线）facing the earth.Sometimes, it moves away from its orbit, So there are little rockets on it which are used to put the satellite back in the right position.This usually happens about every five or six days.Space is not empty! Every week, more and mor
30、e satellites are sent into space to orbit the Earth.A satellite usually works for about 10-12 years.Satellites which are broken are sometimes repaired by astronauts or sometimes brought back to Earth to be repaired.Often, very old or broken satellites are left in space to orbit the Earth for a very
31、long time.This is very serious because some satellites use nuclear power and they can crash into each other.1. Which of the following is NOT done by satellites according to the passage?A. Sending information for weather forecast.B Taking photographs of the Earth.C Sending TV pictures.D. Providing fo
32、od for airplane pilots.解析：从第一段可知，A、B两项的内容都是卫星的功能，从第三段可知，卫星还可以 发送电视画面，而D项内容文中并未提及。答案：D2. Whats the speed the earth rotates at?A. 35,880 kilometers per hour.B. 335,880 kilometers per hour.C. 11,000 kilometers per hour.D. 110,000 kilometers per hour.解析：从第三段的“This is because it is moving around the worl
33、d at 11.000 kilometers an hour-exactly the same speed that the earth rotates v可知 C 项为正确答案.答案：C3. What does the underlined worcTIhisin the 3rd paragraph refer to?A. AsatelliteB. A little rocketC. A satellite seems to stay in the same place in the skyD. The satellite puts the rockets in the right position解析：土一句话的意思是:有时候我们看到天空中的卫星好像待在同一个地方，这是因 为故本题答案为C项.答案：C