Unit4Topic2SectionC（知识精讲分层练习）-九年级英语上册讲义（仁爱版）（学生版）.docx

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1、Unit 4 Topic 2Section C0目标导航单词1. solar system太阳系2. Romanadj.古罗马的3. godn.上帝，神4. diametern.直径5. stormn.风暴，暴风雨6. gravityn.重力，引力7. weighv.重，有重8. generallyadv. 一般地，通常9. journeyn.（尤指长途）旅行10. limitv.限制，限定n.限度；限制11. excitementn.激动，令人激动的事儿短语1. write back 给回信2. after. after.以命名3. the god of war 战神4. as wide/l

2、ong as 和一样宽/长5. go around.绕着运行6. at a distance of.相隔7. on the surface of.在的表面8. be covered by/with 被覆盖9. be closest to.离最近10. search for more infonnaion(about.)搜索更多(有美 的)信息11. go well进展顺利12. the living conditions 生活条件13. the water supplies 水供给14. be worth it 值得一做重点句子1. Mars is the fourth planet from

3、 the sun in our solar system and is named after Mars, the Roman god of war.火星是太阳系中的第四颗行星，以罗马战神马斯的名字命名。2. Its diameter is 53% as wide as that of the earth.它的直径是地球直径的53%。3. Mars goes around the sun at a distance of about 228 million kilometers.火星在相距大约两亿两千八百万千米的地方绕着太阳旋转。4. You can tell which planet is

4、Mars because it is bright red in the night sky.你能辨别出哪颗行星是火星，因为它在夜空中呈现出明亮的红色。5. The gravity on the surface of Mars is about two-fifths as strong as it is on earth.火星表面的引力大约是地球表面引力的五分之二。变厂知识精讲1.【课文原句】Mars is the fourth planet from the sun in our solar system and is named after Mars, the Roman god of w

5、ar.火星是太阳系中离太阳第四远的行星，以罗马战神马尔斯的名字命名。(1) name (动词)，意为“命名，给.取名”，后接双宾语，构成：name sb./slh. + 名称。e.g. They named their son Bruce.他们给儿子取名为布鲁斯。(2) be named after.意为“(被)以.命名”，是被动语态的形式。e.g. Chinas first lunar probe was named after Change.中国的第一颗月球探测器是以嫦娥命名的。【拓展】主动语态为name. after.意为“给.取名二e.g. Wc named Chinas first

6、lunar probe after Change.我们把第一颗月球探测器命名为嫦娥。2 .【课文原句】Its diameter is 53% as wide as that of the earth.它的直径是地球直径的53%。(1)as. as.意为“和.一样，中间接形容词或副词的原级。否定式为not as .as.,意为“不如.那样.”.【课文原句】Mars goes around the sun at a distance of about 228 million kilometers.火星以大约 2.28 亿公 里的距离绕太阳运行。(1) go around意为“环绕，绕着”dista

7、nce (可数名词)，意为“距离 distant (形容词)，意为“遥远的”at a distance of 意为相隔；at a distance 意为在远处(3)介词短语at a distance of about 228 million kilometers作后置定语修饰the sun,意为“相隔两亿两千 八百万米之外的太阳”。4 .【课文原句You can tell which planet is Mars because it is bright red in the night sky.(1) tell在这里为“辨别，区别，认出(2)此句是一个由疑问词which引导的宾语从句，从句p

8、lanet is Mars作动词tell的宾语，并且从句部分 为陈述句语序。5 .【课文原句】But during spring and summer, the surface of Mars is covered by strong storms.但是在春天和 夏天，火星表面会被强烈的风暴覆盖。(1) surface (可数名词)，意为“表面”be covered意为被覆盖be covered with意为“被遮盖,遮蔽”e.g. The mountain is covered with snow all year round.大山终年被雪覆盖。【辨析】be covered with 与 b

9、e covered bybe covered with意为“被覆盖着”，强调状态。e.g. The ground is covered with thick leaves.地面覆盖着厚厚的树叶。be covered by意为”被覆盖住”，强调动作。e.g. The ground is covered with thick leaves.地面被厚厚的树叶所覆盖。【拓展】cover .with.意为“把用.盖住”e.g. Ann covered her face with her hands.安用双手捂住了脸。cover (可数名词)，意为“封皮，封面”6.【课文原句The gravity on

10、the surface of Mars is about two-fifths as strong as it is on earlh.火星表面的引 力大约是地球引力的五分之二。(1)介词短语on ihe surface of Mars作gravity的后置定语,意为“火星表面的引力”(2) two-fifths as strong as .意为“相当于的五分之二强度”，two-fifths= two fifthse.g. half as big as .像一半那样大 twice as long as .像两倍那样长7.【课文原句】S。a person who weighs 90 kilos

11、on earth weighs only 36 kilos on Mars.所以一个在地球上体 重90公斤的人在火星上只有36公斤。（1）此句中的who weighs 90 kilos on earth是个定语从句，修饰前面的名词a person,意为“在地球上 称重90千克的人”。（2） weigh （及物动词），意为“重，有多重”。e.g. The large stone weighs over 10 tons.这块巨石有 10 多吨重。【拓展】weight （不可数名词），意为“重量；分量”e.g. Whats your weight? = How much do you weight?

12、你体重多少?8.【课文原句】It takes a spaceship about eight months to reach Mars from （he earth when the two planets are closest to each other.当两个行星彼此最接近时，宇宙飞船需要大约八个月的时间才能从地球到达火星。（1） It takes +主语+some time to do sth.做某事花了 （主语）多长时间。“It takes a spaceship about eight months to reach Mars from the earth意为从地球到火星宇宙飞船用

13、了 8 个月的时间二（2） close to意为离近”。close此处为形容词,意为“（在空间、时间上）接近，其反义词是 far,比较级为closer,最高级为closest。【拓展】close （形容词），意为“亲密的”close （及物动词），意为“关闭，关上”，反义词是。pen,意为“打开”。9.【课文原句】I often miss my family, but the excitement of being on Mars is worth it.我经常想念我的家 人，但在火星上的兴奋是值得的。（1） excitement （可数名词），意为“兴奋；激动”（2） worth （形容词）

14、，意为“值得，有.价值的“，常用短语有：be worth doing sth.意为“值得做某事”，句子的主语为do的宾语。e.g. The place is worth visiting.这个地方值得参观。be worth +锐 意为“值多少钱”e.g. The picture is worth 30.这幅画值 30 元。be worth +名词意为“值得”e.g. I dont think its worth our work.我觉得这件事不值得我们付出劳动。rG分层作业题组A基础过关练L基础短语回顾.太阳系1 .以命名一.绕着运行2 .更糟糕的是.进展顺利3 .离最近.搜索更多（有关的）信

15、息4 .有好处，值得一干.被覆盖5 .相隔.百分之五十三宽6 .五分之二强.限制用水H.单项选择1. The moon goes around the earth a distance of about 380,000 kilometers.A. isB. for2. Ita long time since we reached Beijing.A. isB. was3. Dont throw about your newspaper!Sorry, Tm busy now. They willlater.A. collectB.be collect4. Itme three hours to

16、finish the work.C. withC. has beenC.be collectedD. atD. had beenD. collectedA. spendsB. takesC. costsD. pays5. Many trees and flowersin our school last year and they made our school a beautiful garden.A. have planted B. are plantedHI.根据句意及所给提示完成句子C. were plantedD. will be plantedOur school is much（

17、big） than （heirs.1. The well is too deep for us（reach） the bottom.2. Linda always does her homework as（well） as the exam.3. It takes us two days （finish） one topic.4. The book is worth（read）, because it is so interesting.IV.根据汉语意思完成下列句子。1. The capital of this country is（以命名）the first president.2. Th

18、e（太阳系）was formed 4.5 billion years ago.3. Please measure （he （直径）of this circle.4. Police are（寻找）the thief.5. Mark doesnt have nay money.（更糟糕的是），he has lost his job.题组B能力提升练i.完形填空How do you imagine the future? Will life in the future be better, worse or the same as now? 1 do you think of the future?

19、People 2 that life will probably be very different in 2050. First of all, larger planes 3 . so flying will be very cheap. Solar power（太阳能）will be used in the cars and the cars will be much cleaner and safer. Everyone will have such a car. Robots will be 4 here and there. And space planes will take u

20、s around the world 5 two hours. Homes will be warm in winter and cool in summer, so they will be very comfortable, we will use （he sun _6 our homes. Computers will be changed into very small so they will be very 7 . People will do many things on the Internet.At that lime, water will become one of ou

21、r most 8 problems. In many places, farmers will be in great need of waler to 9 fruit and vegetables. By 2050. we will 10 able to help blind and deaf（聋）people see again and hear again. At that time, our life will become better and belter.LA. WhichB.HowC.WhyD.WhatB.disagreeC.planD. worry3.A.is produce

22、dB.will be producedC.producesD.was producedB.secnC.sawD.sccsB.afterC.forD.atB.lo heatC.heatingD.heatedB.newC.longD.lightB.possibleC.seriousD.interesting9,A.sellB.checkC.buyD.growB.beC.couldD.areHI.阅读理解It is 40 meters long and 6 meters wide. This must be the biggest bus you have ever seen. It can car

23、ry 1,200 to 1,400 people.It is Chinas new Super Bus. It is going for a test run in Beijing al （he end of this year. Some other cities are also interested in running the Super Bus. They hope the traffic problems will be solved.The Super Bus runs along fixed tracks （固定轨道）.The bus sits on top of two 2.

24、2-metcr-tall legs. The legs have wheels at one end. Small cars can drive under the bus, so the Super Bus docs not take up road space.The bus runs on electricity and solar power. It can travel up to 60 km every hour. Its creator, Song Youzhou, says a lot of traffic jams （堵塞）will be reduced.The Super

25、Bus can do the work of 40 buses. In that way, it can save 860 tons of fuel （燃料）every year, according to Song.“To build a Super Bus and its track costs less than building subways. Subways are nearly ten times more expensive to build. Song said.Some people worry that the Super Bus may not be safe. How

26、ever, Song says theres no need fbr concern. The Super Bus has laser scanners （激光扫描仪）between its legs. The scanners make sure the cars keep a safe distance. l.The Super Bus can carry people.A. 1,300B. 1,500C. IJ00D. 1,900.All the following are the advantages （优势）of the Super Bus EXCEPT that.A. the bu

27、s doesnt take up road spacethe bus can do the work of 40 busesB. the bus is very easy to build and driveChe bus can save a lot of energy every year2 .According to Song, its safe fbr small cars to drive under the Super Bus because.A. the bus is tall enough（he road is wide enoughB. there are scanners

28、between its legsthe bus travels at 60 km per hour3 .We can guess that Songs purpose fbr building the bus was to.A. take the place of small carssolve traffic problemsB. increase the speedreduce car accidents4 .This passage is mainly about.A. the normal busB. the small carC. the subwayD. the Super Bus