高中英语 Unit 4 Astronomythe science of the stars Section Ⅱ同步课件 新人教版必修3 课件VIP专享VIP免费

SectionⅡ—LearningaboutLanguage一、请找出下列句子的主语,并归纳什么可以作句子的主语1.Weseehimeverydayinoureverydaylife.2.Toseeistobelieve.3.Raisingpigsisherjob.4.Whathewantsissomemilk.5.ItisimportanttolearnEnglish.6.Thenewsisexciting.7.Itisnecessarythatwegotohelphim.8.WiththehelpofXiaoWang,theyfinishedtheworkontime.归纳:可以充当句子主语的有:答案:1.We2.Tosee3.Raisingpigs4.Whathewants5.tolearnEnglish6.Thenews7.thatwegotohelphim8.they归纳:代词、动词不定式、动名词(短语)、句子和名词二、读下列英语谚语,找出其中含有主语从句的句子1.Whatislearnedinthecradleiscarriedtothegrave.儿时所学,终生难忘。2.Abadbeginningmakesabadending.不善始者不善终。3.Childrenarewhatthemothersare.耳濡目染,身教言传。4.What’sdonecannotbeundone.生米煮成熟饭。5.What’slostislost.失者不可复得。6.Moneyspentonthebrainisneverspentinvain.智力投资绝不会白花。答案:1,4,5三、欣赏下列幽默故事,画出其中的主语从句A:Whatyouneednowisadoctor.Youmustseeadoctorbeforedark.B:Well,whetherheiscomingornotisaproblem.A:Whydoyouthinkso?B:“Anappleadaykeepsadoctoraway.”AndI’veeaten13applestoday.A:Really?ButitissaidthatDoctorSmithisnotafraidofapples,whichhelikesverymuch.So,don’tworryaboutwhetherheiscoming.答案:A:Whatyouneednowisadoctor.Youmustseeadoctorbeforedark.B:Well,whetherheiscomingornotisaproblem.A:Whydoyouthinkso?B:“Anappleadaykeepsadoctoraway.”AndI’veeaten13applestoday.A:Really?ButitissaidthatDoctorSmithisnotafraidofapples,whichhelikesverymuch.So,don’tworryaboutwhetherheiscoming.1.Asaresultofthisevent,agreatdustcloudformedintheskyblockingoutthesunlight.正因为这一事件,天空中形成了一团巨大的尘云,挡住了阳光。剖析:现在分词短语blockingoutthesunlight在句子中作结果状语。Theyworkeddayandnight,finishingtheworkaheadoftime.他们日夜工作,结果提前完成了工作。考点词组blockout的含义是“挡住,遮住(光线和声音);忘掉,抹去(不愉快的事)”。如:Thevolcanicashblockedoutthesun.火山灰挡住了太阳。Anuglybuildingblockedouttheviewfromthewindow.一座难看的大楼把窗外的景物遮住了。Itrytoblockouttheunpleasantexperience.我尽力去忘记那段不愉快的经历。blockoff封锁,封闭Variousbarricadesblockoffallthemainstreetsofthecity.各种路障封锁住了城里所有的主要道路。blockup阻塞,塞住,封住(孔,洞)Thetrafficisveryheavyandhasbeguntoblockupthestreets.交通量很大,已经开始把街道阻塞了。Mynoseisblockedupwiththecold.由于感冒,我的鼻子不通气。blockone’sway挡住某人的路Wefoundthatabigelephantblockedourway.我们发现一头大象挡住了去路。单项填空1)MorehighwayshavebeenbuiltinChina,itmucheasierforpeopletotravelfromoneplacetoanother.A.makingB.madeC.tomakeD.havingmade2)Blackcloudshadcompletelythesun.A.blockedoffB.brokenoutC.blockeddownD.brokenoff用blockout,blockup,blockone’sway,blockoff填空3)Youcan’tleavethevillage.Allthestreetsare.4)Apieceofrockhasfallenand.Wehadtostop.5)Overtheyearsshehadtriedtothatpartofherlife.6)Thispipe(管子)is.Thereisapieceofwoodinit.答案:1)A2)A3)blockedoff4)blockedourway5)blockout6)blockedup2.Grammar:主语从句考点一英语中的主语从句(thesubjectclause)在句中作主语,有以下两种结构:1)主语从句位于句首。如:Whathewantedtoseewasanendtoallthewarsoftheworld.他想要看到的是世界上所有战争的结束。2)主语从句位于句尾,使用先行词it作形式主语。如:Itwasrightthatthetemplewasrebuilt.庙被改建了,这很好。在下列情况下,一般使用形式主语it,而将真正的主语从句放在后面:①谓语部分含有seem,appear,be(im)possible,beapity,beawonder,belikely等。如:Itappearedtoscientistsontheearththatthestarshadmoved.在地球上的...