牛津译林版九年级下册英语同步讲义Unit 4 Life on Mars

Unit4LifeonMars

ComicStrip-Welcometotheunit

号目标导航

课标单词1.n.火星

2.n.头盔

3.n.重力

4.n.行星

5._____________adj.拥挤的

6._____________adj.被污染的

7._____________adj.快的，迅速的

8._____________V.增加

9.n.乘客

10._____________adj.使不舒服的;不舒适的

11.n.氧气

12._____________adj.味道好的

13.adv.专门地，特地

14.V.飘浮；漂浮

15._____________V.比较

16._____________n.网络

17._____________adj.挑战性的

18._____________adv.快地，迅速地

19.V.知道，意识到

20.V.围绕；将…圈起来

21.n.一致，同意

22.n.距离；远处

23._____________n.可能性

24.n.外星人

25._____________n.外来者，陌生人

26.n.百分率；百分数

27.n.劣势，缺点，不利条件

28._____________n.风险，危险

29._____________n.（复）商品，货品

30._____________adj.电子的

31.______________n.娱乐

目标短语1.__________________氧气罐

2.干粮

3.电源包

4.睡袋

5.再；重新

6.再；重新

7.以……的速度

8.以...的形式

9.与.....相比

10.开展；执行

11.毕竟

常考句型l.Fvenever_______________________________intospace.我从未想过至U太空

去旅行。

2.Therewouldbeno__________onMars.火星上将没有污染。

3.Theearthisbecoming____________________________________________and

pollutedbecauseoftherapidincreaseinpopulation.

因为人口的迅速增长地球正在变得越来越拥挤而且受到了更多的污染。

4.Itishopedthatpeoplecouldstart________________________________and

buildabetterworldonMars.

人们有望能够在火星上重新开始，建设一个更好地世界。

5.Humans_______________________________water,oxygenorfood.人类没有

水，氧气或食物不能生存。

6.Foodwouldmostprobablybe______________________________

__________pillsandwouldnotbeso__________.

食物很大可能是以药片的形式存在，而且味道没那么可口。

7.ThegravityonMarsisonlyabout________________________________onthe

earth.

火星的重力大约只有地球上的八分之三。

8.Peoplewouldhavetowearbootsthatare________________________________

__________themselvesfromfloatingoffintospace.

人们将不得不穿上特制的靴子以阻止他们自己飘入太空。

9.Everystudentwouldhaveacomputerathome__________________an

interplanetarynetwork.

每个学生家里都会有一台电脑与星际网络连接。

lO.LifeonMarswouldbeinteresting______________________________

__________.火星上的生活不仅有挑战，还很有趣。

11.Peoplemightmovetoanotherplanetinthefuturebecausethepopulationonthe

earthis___________________.

将来人们可能搬到另一个行星上去，因为地球上的人口在迅速增长。

12.Arescientists___________________thatlivingonMarswouldbepossible

forhumansinthefuture.

科学家对于人类将来有可能生活在火星上意见一致吗？

13.Marsisaplanetthathasanenvironment___________________thatofthe

Earth.火星是一个行星，与地球有着相似的环境。

14.Itisdifficultto__________onaplanetthathasmuchthinnerairthan

__________ontheEarth.

在一个比地球上大气稀薄的行星上呼吸是困难的。

15.The__________showedthat50%ofthestudentswouldliketo___________

____________________theEarthandliveonMars.

调查显示50%的学生想搬离地球到火星上生活。

16.I'mnotsureififs_______________________________.我不能确定是否值

得冒险。

重点语法简单句和复合句的转换

检知识精讲

堇'知识点01thinkabout教材P50

【用法详解】

thinkabout考虑，想起

Iprefernottothinkaboutit.javascript:;我不想考虑此事。

Whatdidyouthinkabouttheidea?javascript:;你认为这个想法怎么样？

【典例讲解】

-Wow,somanyoldmagazinesatyourhome.

-Toomany!Ihowtodealwiththem.

A.thinkaboutB.thoughtabout

C.amthinkingaboutD.willthinkabout

【拓展】thinkabout,thinkof与thinkover区另1j

1)thinkabout后可接名词、代词、动名词、由疑问词引导的不定式或宾语从句。

Sheisthinkingaboutwhentovisitherparents.她正在考虑什么时候去拜访她的父母。

2)thinkof做“考虑”讲时，可与thinkabout互换;做“记起,想起”讲时，相当于remembero

HethinksofhishometownatChristmas.他在圣诞节想起了他的家乡。

3)thinkover：强调“仔细(反复)思考，考虑

Youmustthinkoveritbeforeyoumakeyourdecision.在你做出决定之前，你必须仔细反复

思考。

工知识点02meneither教材P50

【用法详解】

1.教材中的Meneither=NeitherhaveI.neither用作副词，意思为：也不，用于两者当中，

用于否定句中。

一IhaveneverbeentoBeijing.我从来没去过北京。

—Meneither.(NeitherhaveI.)我也没去过。

2.-Neither+助动词/系动词/情态动词+主语”属于倒装句，意思是：两者或两者以上

也不。

“Nor+助动词/系动词/情态动词+主语”倒装句，意思是：三者或三者以上也不。

“So+助动词/系动词/情态动词+主语”倒装，用于肯定句，表示：也……

Ifyouarenothappy,neitherwillyourmother.如果你不开心，你妈妈也会不开心。

IfTomwon'tbelate,norwillhistwinsisters.如果汤姆不迟到，他的双胞胎姐姐们也不会

迟到。

Ifyoucancometomorrow,socanI.如果明天你能来，我也能来。

3.Neither...nor:既不…也不…，谓语动词的单复数适用就近原则。

NeitherherparentsnorMaryisgoingtotheparty.Mary和她的父母都不会去参加聚会。

【典例讲解】

-Ihaveneverwatchedsuchanexcitingmatchbefore.Whataboutyou?

A.NeitherdoIB.SodoIC.NeitherIhaveD.Meneither

9'知识点03Howdoyoulike教材P50

【用法详解】

Howdoyoulike...=Whatdoyouthinkof=Howdoyoufind...：用来询问对方对某人或某

物的看法、感受、印象如何。

一Howdoyoulikethenewschool?你觉得新学校怎么样？

一Ifsmodemandbeautiful.很现代化，很漂亮。

【典例讲解】

-Howdoyoulikethebook?

A.Helikesitverymuch.B.Itisuseful.C.Itisonthetable.D.Tomgavemeit.

室'知识点04getto教材P50

【用法详解】

getto=reach：够到；到达

Thegiraffeistallenoughtogettotheleavesonthetopofthetree.长颈鹿足够高，能够够到树

顶上的叶子。

=Thegiraffeistallenoughtoreachtheleavesonthetopofthetree.

getv.使；让；说服

getsb/sthtodosth使，让（某人或物做某事）；说服（某人做某事）

Icouldn'tgetthecartostartthismorning.我今天早上没法让这汽车发动起来。javascript:;

javascript:;

You'llnevergethimtounderstand.你永远不会使他明白的。javascript:;

getsthdone使（某事）发生；使完成（某事）

Imustgetmyhaircut.我得理发了。javascript:;

I'llnevergetallthisworkfinished.这么多的工作我怎么也

getsb/sthdoingsth使某人一直做某事，或一直处于某种状态

Canyoureallygetthatoldcargoingagain?你真能让那老爷车再跑起来吗？javascript:;

It'snothardtogethimtalking一theproblemisstoppinghim!让他谈话并不难一难的是让

他住口！

【典例讲解】

MyhairissolongthatIwanttogetit(cut)tomorrow.

鎏'知识点05Ihopeso.教材P51

【用法详解】

Ihopeso：希望如此，表示肯定对方的意见或观点；其否定形式Ihopenot,表示“我希望不

会。”

一Ishecomingtothepartytonight?他今天晚上来参加聚会吗？

一Ihopeso.希望如此。

一Willitbefoggytomorrow?明天有雾吗？

一Ihopenot.我希望不会。

【典例讲解】

一Theweatherreportsayswewillexpectasunnydaytomorrow.

—.Iamgoingtogoclimbingwithmyclassmates.

A.BadluckB.IhopesoC.SoundsterribleDimafraidso

【拓展】类似的结构还有

-1thinkso.我认为如此。Tmafraidso.恐怕如此。

Idon'tthinkso.我不这样认为。、Fmafraidnot.恐怕不是

但能力拓展

一.单项选择。

1.一Iagoodbreakfastthismorning.

-NeitherI.Lefsgoandbuysomesnacks.

A.hadn't;hadB.didn'thave;hadC.didn'thave;didD.hadn't;did

2.一MyparentsareinterestedinOdetoJoy（欢乐颂）.Howaboutyourparents?

一Neithermydadmymomlikesit.ButtheylikeABiteofChina（舌尖上的中国）.

A.andB.orC.norD.so

3.-Howdoyoulikeyourschoollife?

A.IfsafamousschoolB.Ilikemyschool

C.rdliketostudyhereD.Ifsverycolourful

4.Goingbycoachisusuallythecheapestway.Butsometimesthecoachesmaygetin

summer.

A.crowdedB.excitedC.relaxedD上ored

通分层提分

题组A基础过关练

一、用所给单词的正确形式填空

1.1keepon（think）abouttheproblem,atlastIworkeditout.

2.Doyouthinkyoucanmanage（get）ussometickets?

3.1hope（visit）theSummerPalaceoneday.

题组B能力提升练

一、完型填空

Areyouinterestedin3Dprinting?StudentsatShanghaiHighSchoolInternationalDivision

haveachancetogetclosetothisnew1.Theschoolstartedanewcoursecalled3D

InnovationalSpace（仓1J新空间）thisterm.StudentsfromGrade5toGrade8canhavethe

2onceaweek.Eachclasslastsfor90minutes.Itusuallybeginswithagameoran

interestingvideo.Duringtheclass,studentshavethechancetooperate3Dprinter3after

listeningtotheteacher.Alargenumberofstudentsfeel4aboutit.Theylikethecourse

somuchthatthey5-listentotheteachereachclass.

MaxwellHe,afifth-grader,hasalreadybeenabletousethecoolsoftwaretoprintthings.

“3Dprintingisavery6course,9,hesaid."Icanmakeand7myownDIY

worksbymyself.I'msopleased!^^Hesaid8hepassedamission（任务）tothe3D

printer,theprinteritselfwoulddecidewhichpartoftheproject9first.Theonlymaterial

hecanputintotheprintersofarisplasticlines.

Inclass,studentshavealready10manythings,suchasbookmarksandcastles.It

usuallytakesabout20minutestoprintoutasmallobject.

1.A.ideaB.cultureC.activityD.technology

2.A.meetingB.courseC.showD.game

3.A.inneedB.inorderC.inpersonD.insurprise

4.A.tiredB.worriedC.boredD.excited

5.A.carefullyB.loudlyC.sadlyD.strongly

6AboringB.importantC.interestingD.terrible

7.A.chooseB.decorateC.inviteD.break

8.A.whenB.untilC.becauseD.though

9.A.putsoutB.picksoutC.pointsoutD.comesout

lO.A.soldB.boughtC.printedD上orrowed

题组C培优拔尖练

一、阅读理解

A

OnNov.16,sevenastronautsontheInternationalSpaceStation（ISS）wokeuptoanalarm

（警报）.ARussianmissile（导弹）testhadjustbombedasatelliteintomorethan1,500piecesof

spacedebris（残骸）.SomegotveryclosetotheISS.

NASAsaysspacedebrislikethiscantravelatmorethan28,000km/h.That'smuchfaster

thanabullet（子弹）（about3,500km/h）.Evenapea-sizedpieceofdebriscould"wipeout”a

spacestationorkillanastronautifheorsheisdoingaspacewalk,saysLiveScience.

Sincethe1950s,humanshavesentthousandsofrocketsandsatellitesintospace.Manyare

stillthere,andwenowfaceanever-increasingproblemofspacerubbish.In2006,forexample,

NationalGeographicreportedthatatinypieceofspacerubbishhittheISS,takingasmallpieceof

glassoutofawindow.InJuneofthisyear,apieceofdebrisranintooneofthestation'srobotic

arms,whicharejustlikethearmsofarobot,andleftahole.

Scientistsaretryingdifferentwaystodealwiththeproblem.Onewayistouseahugenet.In

2018,theUK'sSurveySpaceCentercaughtsomespacerubbishwithanetinanexperiment.It

firstfoundthedebris,andthencollecteditwithanetandaharpoon（鱼叉）.

Anotherwayistouseroboticarms.ClearSpace1,theEuropeanSpaceAgency'staskto

cleanspacerubbish,isgoingtobesentintospacein2025.Itwilluseroboticarmstocatchdebris.

ThisplanstothrowthedebrisintoEarth'satmosphere（大气层），whereitwillburnupasitfalls

becauseofstrongfriction（摩擦）.

l.ThebomboftheRussianmissilemainlycausesaccordingtothearticle.

A.plantsB.soilC.foodD.spacedebris

2.AccordingtoNASA,spacedebrismovesasfastasabullet.

A.eighttimesB.ninetimesC.seventimesD.sixtimes

3.Whathappenstoaspacestationifitgets“wipedout”?

A.Itgetscleaned.B.Itgetsrebuilt.C.Itgetsbroken.D.Itgetsold.

4.Thebestwaystodealwithspacedebrisisaccordingtothearticle,

a.throwingitawayintotheplanet

b.throwingitintothesuntoburnup

c.collectingitwithnetsandharpoons

d.throwingitintoEarth'satmospheretobumup

A.adB.cdC.abD.bd

5.WhatcanweinferfromParagraph3-4?

A.Thereisnothingwecandotodealwithspacedebris.

B.Theastronautsarequitesafeinspaceeventhereisspacedebris.

C.Moreandmoretasksarefailingbecausewedon'twanttocausespacerubbish.

0.Thousandsofoldrocketsandsatellitesareturningintospacerubbishforyears.

B

Haveyoueverheardvoicesfromtheuniverse?Whatsecretslurk（潜藏）inthesignalsof

pulsars（脉冲星）Y16,000light-yearsfromEarth?Oureyesmaynotbeabletoexplorethese

distantmysteries.

China^Five-hundred-meterApertureSphericalRadioTelescope（望远镜）（FAST）,

commonlyknownas“SkyEye”,theworld'slargestsingle-aperture（单口径）radiotelescope,

officiallyopenedtotheworldonMarch31.

Thegianttelescopeisthesizeof30soccerfields."'BeforeFASTwasputintouse,China's

radiotelescopesusuallyhadadiameteroffewerthan50meters,saidWangQiming,FAST's

chieftechnologist,66FASTmarksahugeleap（飞跃）fbrward^^Notonlyisthetelescopeleadingin

size,butit'salsoleadingintermsofsensitivity（敏感度）.

FASTisabout2.5timesassensitiveasthesecond-largesttelescopeintheworld,theArecibo,

ObservatoryinPuertoRico,reportedShine,aShanghai-basedmediaplatform.Thatistosay,if

youmakeaphonecallfromthemoon,itcandetectthesignal,accordingtoCNRNews.

SinceitscompletioninSeptember2016,ithasfoundmorethan300pulsars（脉冲星）-objects

thoughttoberapidlyrotatingneutron（中子）starsthatemits（发射）regularpulses（脉冲）ofradio

waves.Todate,FASThasexpanded（扩大）fourtimesthevolumeofthespacerangethatradio

telescopescaneffectivelyexplore,whichmeansthatscientistscandiscovermoreunknowncosmic

（宇宙的）phenomena