1、Period 2 ReadingUnit 4 Life on MarsA Life on another planetDaniel wants to find out more about life in space in thefuture.He has found the following article by a famousscientist who thinks humans could live on Mars by thenext century.Moving to MarsSome people believe that humans could live on the pl
2、anet Marsby the year 2100.Our own planet,the Earth,is becoming moreand more crowded and polluted because of the rapid increase inpopulation.It is hoped that people could start all over again andbuild a better world on Mars.Here is what life there could be like.At present,our spacecraft are too slow
3、to carry large numbers ofpassengers to Marsit would take months.With the developmentof technology,by the year 2100,the journey might only take about20 minutes in spacecraft that travel at the speed of light!However,the spacecraft would travel so fast that the journey toMars might be quite uncomforta
4、ble.Many people would feel ill.温馨提示：此符号表示“考点精讲点拨”链接。Humans cannot survive without water,oxygen or food.So far,nobody knows whether there would be enough water or oxygenon Mars for people there.Moreover,scientists are not surewhether plants could grow on Mars.Food would most probablybe in the form of
5、 pills and would not be so tasty.Gravity could be another problem.The gravity on Mars is onlyabout three-eighths of that on the Earth.People would have towear boots that are specially designed to prevent themselvesfrom floating off into space.Compared with life on the Earth,life on Mars would be bet
6、ter in someways.People would have more space.They might live in houseswith huge comfortable rooms.Also,robots would do most of theirwork so that they could have more time to relax.There would probably be no schools on Mars.Every student wouldhave a computer at home connected to an interplanetary net
7、work.They would study at online schools with“e-teachers”.Life on Mars would be interesting as well as challenging.B Life in the futureB1 Daniel needs to check the meanings of some words in thearticle.Help him match the words on the left with themeanings on the right.Write the correct letters in the
8、blanks.1.crowded(line 3)_2.rapid(line 4)_3.population(line 4)_4.all over again(line 5)_5.passenger(line 8)_6.tasty(line 18)_7.specially(line 21)_pare(line 23)_ea.for one purpose b.a second time from the beginning c.decide in what way things are similar or differentd.having a nice taste e.full of peo
9、ple f.happening in a short period of time g.a person who rides in a car,bus,train,etc.but does not drive ith.the total number of people in an area,a country,etc.f hb gdacB2 Daniel is looking for more information on the Internet.Below are the keywords he used and the links he got from the search engi
10、ne.Match the keywords with the links.Write the correct letters in the blanks.1.crowded planet f 。2.spacecraft _3.speed boots _4.space houses _5.robot on Mars _6.online teacher _a.Need someone to teach you any time,any place?b.Living in a space house is fun.c.All about the newest spacecraft that trav
11、el in space.d.Our shoes can make you walk faster!e.Robots could be of great help to people on Mars.f.The population on the Earth is still increasing rapidly.cdbeaB3 Daniel is telling Simon about the article.Simon is very interested and is asking many questions.Help Daniel answer Simons questions.Cir
12、cle the correct letters.1.Why would people move to Mars?a.The Earth is crowded and polluted.b.People want to make friends with those from another planet.c.Flying to Mars would be fun.a2.How long does it take to fly to Mars at present?a.Hours.b.Months.c.Years.3.What would the flight to Mars be like b
13、y the year 2100?a.Fast and comfortable.b.Fast but uncomfortable.c.Slow but comfortable.bb4.What would food on Mars be like?a.Very tasty.b.Very sweet.c.Not very tasty.c5.Would gravity be a problem on Mars?a.No,its not a problem.b.Yes.Many people would get lost.c.Yes,and people would wear special boot
14、s.c 6.Where might people live on Mars?a.In houses with huge rooms.b.On spacecraft.c.In sleeping bags.a7.What would schools be like on Mars?a.Very small.b.Online schools.c.Like those on the Earth.b8.What does the writer think of life on Mars?a.Better than life on the Earth.b.Worse than life on the Ea
15、rth.c.There would be good and bad points.cB4 Daniel is making a list of the differences between life on theEarth today and life on Mars in 2100.Help him complete hislist.Use the information from the article on pages 52 and 53.Life on the Earth todayLife on Mars in 2100It is polluted and crowded.It w
16、ould be clean and have lots of space.Spacecraft are slow.There is enough water and oxygen.It would be clean and have lots of space.Spacecraft would travel at the speed of light.Life on the Earth todayLife on Mars in 2100There are many kinds of tasty food.Gravity is not a problem for us.Many people l
17、ive in small flats.There would not be enough water or oxygen.Food would most probably be in the form of pills and would not be so tasty.The gravity is only about three-eighths of that on the Earth.Life on the Earth todayLife on Mars in 2100People have little time to relax.Students study at real scho
18、ols.People could have more time to relax.Students would study at online schools with“e-teachers”.With the development of technology,by the year2100,the journey might only take about 20 minutesin spacecraft that travel at the speed of light!with的用法e.g.The shadows lengthened with the approach ofsunset
19、.随着太阳西沉,影子越来越长。考点1 介词，意为“随着”。He often goes to the library with Jenny.他经常和詹妮一起去图书馆。Hes a tall kid with short hair.他是个长着一头短发的高个子小孩。He writes with a pencil.他用铅笔写。介词，意为“和在一起”。介词，意为“带有，具有”。介词，意为“用”，表示使用工具，手段等。中考在线1:My English teacher always comes into the classroom _ a smile.河池A.by B.for C.on D.with D【点拨
20、】考查介词的用法。句意:我的英语老师总是面带微笑地走进教室。by被;for为了;on在上;with带有,具有。with a smile带着微笑。at the speed of以的速度e.g.New planes can fly at the speed ofsound.新型飞机能够以音速飞行。We can see a horse running at highspeed.我们能够看到一匹骏马在飞速奔驰。考点2 名词，意为“速度”。与speed相关的常用短语：at high speed以高速，高速地 at full speed全速 返回 温馨提示：可返回原文 People would have
21、to wear boots that are speciallydesigned to prevent themselves from floating off intospace.specially adv.特别地;专门地e.g.I made a cake specially for you.我特地为你做了个蛋糕。I came here specially to ask you aquestion.我是专门来问你一个问题的。考点3 副词，意为“特别地；专门地”。表示目的时，specially 常与动词不定式或for短语连用。辨析:specially与especiallyspecially专门
22、地,特别地表示“不是为了别的,而是为了”,强调唯一目的。especially尤其,特别地常用来对前面所述的事件做进一步的说明或补充。e.g.He came here specially to say sorry to her.他特意来这里向她道歉。The noise is unpleasant,especially when you are trying tosleep.噪音令人讨厌,尤其当你正在试图睡觉的时候。中考在线2:I love this city,_ in the spring,even though I was not born here.镇江A.certainly B.nearl
23、y C.especially D.properly【点拨】本题用辨析法。考查副词辨析。句意:尽管我不是出生在这儿,但我喜欢这个城市,尤其是春天。用副词especially“尤其是”修饰介词短语,符合句意。其他选项certainly“当然可以”,nearly“几乎”,properly“恰当地”,都与句意不符。故选C。Cprevent sb.(from)doing sth.阻止某人做某事e.g.Nothing can prevent us(from)moving on.没有什么东西能够阻止我们继续前行。We must prevent/stop them smoking in theroom.我们必
24、须阻止他们在房间吸烟。We are prevented from smoking in the room.我们被阻止在房间吸烟。考点4 与stop sb.(from)doing sth.同义。在主动语态中，这两个短语中的from可省略，在被动语态中，from不能省略。中考在线3:没有什么能阻止我们实现梦想。扬州_【点拨】由句意可知,本题考查“阻止某人做某事”的固定结构,即prevent/stop/keep sb.（from）doing sth.。Nothing can prevent/stop/keep us from realizing our dreams.返回 Compared with
25、 life on the Earth,life on Marswould be better in some pare with 与相比e.g.How can your bike compare with mine?你的自行车怎么能和我的自行车相比呢?考点5 辨析:compare with与compare tocompare with意为“把跟比较”,一般用于两个同类事物之间的比较,从而发现不同之处。compare to意为“把比作”,一般用于两个不同性质的事物之间的比较。e.g.She compares me with my sister.她把我和我妹妹进行比较。We may compare
26、 the little girl to a cat.我们可能把这个小姑娘比作一只小猫。中考在线4:The teacher asked us to c the first report with the second to find their similarities and differences.自贡【点拨】本题用固定结构法。根据后面的with提示可知,本题是“compare.with.”结构,意为“把跟比较”。故填compare。ompare返回 1.We must _(提高)production levels.2._(迅速的)learning:Learn to speak a new
27、language in 12 weeks!3.To make the city less _(被污染的),the government has decided to close the paper factory.一、根据句意及汉语提示写单词increaseRapidpolluted4.The car is _(专门地)designed for the president.5.Mars is one of the _(行星)of the solar system and it goes round the sun.speciallyplanets6.The fish on the table
28、seems _(taste)than what you cooked yesterday.7._(compare)with the life in the past,todays life is better in many ways.二、用所给词的适当形式填空tastierCompared8.The Earth is becoming more and more _(crowd).9.The long journey on the bus may be _(comfort),but you can enjoy the nice views along the road.10.He doesn
29、t know what he should pay attention to _(form)a good study habit.crowdeduncomfortableto form11.Well,shall we start the whole thing _?12.This kind of spacecraft can travel _ the light.三、从方框中选择恰当的短语,并用其正确的形式填空in the form of,large numbers of,over again,at the speed of,compare withover againat the speed
30、 of13.Light and sound move _ waves.14.How does your new house _ your old one?15.Beijing attracts _ visitors each year.in the form of,large numbers of,over again,at the speed of,compare within the form ofcompare withlarge numbers of16._ the help of modern technology,scientists got a photo of a black
31、hole.淮安A.At B.In C.On D.With四、单项选择【点拨】考查介词的用法。句意:在现代科技的帮助之下,科学家们得到了一张黑洞的照片。本题考查固定短语with the help of.,意为“在的帮助之下”。故选D。D17.If you always _ yourself with others,you may have tons of pressure.I feel the same way.One should believe in himself.天水A.connect B.complain C.compare D.consider【点拨】考查动词辨析。句意:如果你总是拿
32、自己和别人比较,你可能会有很多压力。我也同意。一个人应该相信自己。connect连接;complain抱怨;compare比较;consider考虑;compare sb.with sb.意为“把某人和某人相比较”。故选C。C18.Cloth shoes became popular during the Ming Dynasty,_ in Sichuan Province.盐城A.hardly B.nearly C.really D.especially【点拨】考查副词辨析。句意:在明朝时期布鞋就流行开来,尤其是在四川省。hardly几乎不;nearly几乎,差不多;really真正地;es
33、pecially尤其是,特别是,强调列举的事例。空格后时强调的内容。故选D。D19.The rocket will travel to Mars _ the speed of over 25,000 miles per hour.A.at B.by C.with D.forA20.In our school library there _ a number of books and the number of them _ growing larger and larger.眉山A.is;are B.has;isC.are;is D.have;are【点拨】我们学校的图书馆有许多书,而且书的数
34、量变得越来越多。a number of 很多的,大量的,修饰可数名词复数,在句子中作主语时,谓语动词要用复数形式;the number of 的数量,在句子中作主语时,谓语动词要用单数形式。故选C。C21.Living in a home with 10 bedrooms is highly possible.(改为同义句)_ live in a home with 10 bedrooms.五、句型转换It is highly possible to22.Humans need food,water and air to survive.(对画线部分提问)_ humans need _?Wha
35、t do to survive23.Students can study,do their homework and take exams at online schools.(对画线部分提问)_ students study,do their homework and take exams?Where can24.The first to live on Mars could be robots.(改为同义句)Robots _ live on Mars.could be the first to25.To prevent us from floating in the air,we must
36、 wear special boots.(对画线部分提问)_ wear special boots?Why must we26.他越说越激动。As he talked on he got _.六、根据所给汉语完成下列句子more and more excited27.他们到现在还没有去过那座城市。They _ that city so far.28.我们学校的学生数量大约只是他们的八分之二。The number of students in our school is only _ in their school.have not been toabout two-eighths of that29.未来我们将会把电脑与星际电脑网络连接。We will _ the computer _.30.他既是我的医生也是我的朋友。He was my friend _ my doctor.connect to an interplanetary networkas well as本节课主要学习了以下知识点,请同学们及时巩固练习:planet,polluted,rapid,increase,uncomfortable,in theform of,at a/the speed of,compare to/with.
