人教版高二英语必修三Unit4-Using-language-points

Unit4LanguagepointsspeakingLearningaims1.Tolearnsomeimportantlanguagepoints.2.Tomastertheusagesandbeabletousethem.3.Tolearnhowtospeakofthespace.1.Thenwewereoff.随后我们就启程了。beoff=setoff出发;动身Iamofftoday.我今天不用上班。Weareofftoday.今天我们不上班/今天我们不开张。shutoff关闭getoff下车takeoff脱下turnoff关闭payoff付清;还清与off相关的短语:set...off送行kickoff踢球jumpoff跳下giveoff散发showoff炫耀getcloseto靠近,接近,指动态变化becloseto距……近,指状态Theschoolisclosetothepostoffice.2.Whenwegetclosertothemoon,weshallfeelitsgravitypullingusbutitwillnotbeasstrongapullastheearth’s.当我们更接近月球时,就会感到月球的引力在拉我们。但是,月球的引力不像地球的引力那么大。与get相关的短语:getalongwith相处融洽,进展等getdownto开始认真对待,开始认真考虑geton上车getthrough到达;通过;办完,花光(钱、时间等)。getto到达getdownto;geton;getthrough;getto;getover;getup1.Don’ttalktoomuch.Let’s___________working.2.Hurryup,orwe’llbelateto______thebus.3.It’seasyto_______thedifficulty.4.Ihave___________alotofpapers.5.Shemanagedto______thevillage.getdowntogetongetovergotthroughgetto“as…as…”句式：和...一样as+adj./adv.+asas+adj(+a+可数名词单数）+asas+adj+(不可数名词或可数名词复数）+asHisbedroomisascleanashissister’s.You’vemadeasmanymistakesasIhave.as…as…句式的否定:“notas/so…as…”e.g.HecannotspeakEnglishsofastasanativespeaker.as+adj.+(n.)+asThisfilmis________________thatone.这部电影和那部电影一样有趣。Weshouldplanttrees________________.我们应该尽可能多种树。Thisdictionaryis_______________youthink.这本字典不如你想象的那样有用。Johnis______________________asMike.约翰和迈克是一样聪明的学生。asinterestingasasmanyaspossiblenotasusefulasascleverastudent1).A+be+倍数n+as+形容词原级+as+B3.ButwhenItriedtostepforward,IfoundIwascarriedtwiceasfarasontheearthandfellover.3).A+be+倍数n+形容词比较级+than+BA比B大(长、高、宽等)n倍2).A+be+倍数n+the+名词(size,length,width,height,depth,weight,amount)+of+BA是B的n倍倍数表达法：这根绳子(rope)是那根绳子的六倍长。A=nBA=(n+1)B考例：Ournewlibraryis________theoldone.A.fourtimesaslargeasB.fourtimesthesizeC.fourtimeslargerD.fourtimeslargerthanthat这条河是那条河的五倍宽。1._________________________________2._________________________________3._________________________________这块石头的重量是那块石头的三倍。1._________________________________2._________________________________3._________________________________这颗树是那颗树的四倍高。1._________________________________2._________________________________3._________________________________Thisriverisfivetimesaswideasthatone.Thisriverisfourtimeswiderthanthatone.Thisriverisfivetimesthewidthofthatone.Thisstoneisthreetimesasheavyasthatone.Thisstoneistwiceheavierthanthatone.Thisstoneisthreetimestheweightofthatone.Thistreeisfourtimesashighasthatone.Thistreeisthreetimeshigherthanthatone.Thistreeisfourtimestheheightofthatone.So,lifeisdifferentonaspaceship.Thereislittlegravitysothatthingsfloataround.Ifyouplannedtotraveltothemoon,whatmatterswouldyoumeetwith?SpeakingandwritingProblemsHowtocoolyouHowtobreatheHowtoeatanddrinkHowtoprotectyourskinHowtostopflyingoffthemoon’ssurfaceSpacesuitsSpaceFoodSpaceBuggy登月车SpaceCameraMakealistofyourideasandtakepartinaclassdiscussiontofindthebestones.Usethesewordsandexpressionstohelpyou.Pleasepayattentionto....Pleasecheckthat....Youneed....Don’tforgetto....Makesurethat....Watchoutfor....You’dbetter....Youmust/mustn’t....Pleaselookat....Sample:S1:Let’sthinkaboutwhatwewouldneedtoprotectourskinifwevisitedtheMoon.S2:I’dtakesomeskincream.Thatworksverywellwhenwegotothesea.S3:Yes,butit’sgoingtobemuchtoohottoputcreamonyourskinontheMoon.S4:What’smoreyougetdirectheatfromthesun.TherearenocloudsontheMoontoprotectyou.S3:Ohdear,andIalsohavetocarryoxygenaroundwithmeeverywherebecausethere’snooxygenontheMoon.S2:Whydon’twecarrytheoxygenonourbacksinatank?S1:Goodidea,butwon’tthathurtourskin?S4:Ithinkitwill.Whydon’twewearaspacesuitwhichhasthepossibilityofprotectingyourskinandhelpingyoucarrytheoxygenveryeasily?S1:Averygoodidea.Wealsoneedsomesunglassesasthesunwillbeasbadforoureyesasforourskin.S3:That’sright.Thehelmetofthesuitcanhavesunglassesyoucanuse.S2:Howwillthesuitprotectourskin?S4:It’ssohottheresoIsuggestwedesignsuitthatcansupplycoldwatersothewearerfeelscoolandhotwatertowarmusifwefeelcold.S2:Great!SoIwon’tneedsuncreamafterall.That’sgood!BrainstormingforwritingWhatwillwemeetonthemoon?whenwherewhatwhoproblemssolve(how)Writinganoutline(3m)Outline(mainidea)Thefirstparagraph(introduction)Body(yourownideasontheitem)Conclusion(summingup)headingsummingupSamplearticletheproblempossiblesolutionsIfIvisitedthemoon,hereisaproblemImighthave:howtostopmyfoodfloatingaway.IwouldhavetotakeallmyfoodwithmeifIwenttothemoon.Inthespaceshipthereisnogravitysothefoodwouldfloataroundifitwassolid.SoIwouldmakesurethatitisspeciallymadeasliquidspacefood.ItcouldbeputinatubeandthenIwouldbeabletoeatitmoreeasily.PerhapsIwoulduseastrawtoeatwith.Itwouldsolvetheproblem.howitwouldsolvetheproblemSummary1.Getcloseto与becloseto2.as+adj+n.+as3.倍数表达法Homework1.Afterclass,youshouldlistentothemagainandsumupwhatyouhavelearntfromthem.Thinkaboutonequestion:Whatneedstobeanastronaut?2.Collectpassagesaboutgravity.Prepareforspeaking.