九年级英语上册Unit5LookintoScienceLesson27PlanetDanny教学课件

Unit5LookintoScienceLesson27PlantDannyThinkaboutit!1.Doyoulikescience?Whyorwhynot?2.Doyouknowanyoftheplanetsinthesolarsystem?行星æ太阳的əʊHowtoseesolarsystem?telescopese望远镜əʊWhatdotheydo?Whatdotheysee?Whatdoesthesolarsysteminclude?

Theearth,thesunandthemoonallbelongtothesolarsystem.OursolarsystemisinagalaxycalledtheMilkyWay.TheMilkyWayhasmorethanfivehundredbillionsrats.Scientistsaytheuniversecontainsbillionsofgalaxies.Doyouthinkthereislifeonotherplanets?Let'ssee!telescopen.solaradj.certainlyadv.unlessconj.doublen.&adj.mysteryn.望远镜太阳的当然除非两倍&双倍的谜Listentothedialogueandtickthecorrectanswers.(1)WhatdidDannydolastnight?

Hetriedtostudythemoon.

Hetriedtofindanewplanet.(2)WhatdidDannyuse?

Atelescope.

Abook.(3)WhatdidDannyneed?

Moresleep.

Morestars.√√√外语教学与研究出版社九年级

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arrive意为“到达,来到”，为不及物动词,后接表地点的名词时,需使用介词in或at。in用于指较大的地点,at则指比较具体的小地点。arriveat/in=getto/reach外语教学与研究出版社九年级

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HesaidthatIcouldusehistelescope.本句含有that引导的宾语从句。无论主句是陈述句还是疑问句,宾语从句都应使用陈述语序。含宾语从句的复合句,主从句谓语动词的时态呼应包括以下三点:(1)如果主句的谓语动词是一般现在时,宾语从句的谓语动词可根据需要,选用相应的时态。(2)如果主句的谓语动词是一般过去时,宾语从句的谓语动词应用相应的过去时态。(3)如果宾语从句所表示的是客观事实、普遍真理、自然现象或习惯性动作等,不管主句用什么时态,从句时态都用一般现在时。Theusageofthrough，acrossandoverthough:表示“穿过、通过”，指从某处或某物中间通过，侧重点是从某空间里面通过。across:表示“横过、穿过”，指在某一平面或物体上从一边到另一边去。over:表示“越过”，指从某物的上方越过。unless

:“除非，如果不”。unless

引导的条件状语从句常用一般现在时表示将来的意义，主句多用一般将来时。例句：Youwillfailunlessyoustudyhard.如果你不努力学习，就会失败。double作名词或形容词,意为“两倍(的);双重(的)”,也可作动词,意为“使加倍”worth:“相当……价值,值得”,用于beworth+n./doing结构。evenif:“即使……”,用来引导让步状语从句。belongtosb.意为“属于某人”,=besb.’sbelongto不能用于进行时态和被动语态。billionsof:“数十亿计的”Readthelessonandwritetrueorfalse.()1.Dannyisstudyingthesolarsystematschool.()2.DannyislookingthroughthetelescopewhenJennyandBriancometovisit.()3.Duringtheday,Dannycanseemanystarsintheskythroughthetelescope.()4.JennyandBrianwillcomebacktoDanny’shousebecausetheywanttousethetelescope.()5.Dannyhasdiscoveredanewplanet.TTFTFOnSaturdayafternoon,BrianandJennyvisitedDannyathishouse.Whentheyarrived,Dannywasoutsidelooking_____atelescope.BrianandJennylaughedatDannybecausehewasusingthewrong

ofthetelescope.Ofcourse,Dannycouldn’tseethe

duringtheday.BrianandJennyalsowantedtojoinDanny.Theydecidedtocomebackaftersupper.Afterthesunwentdown,theycouldseethestars.Dannyhopedto

anewplanet.Readthelessonandfillintheblanks.throughendstarsdiscoverGroupwork:1.Practicethedialogueingroups2.Actitout.Whatinterestsyouaboutthesolarsystem?Ifyouhadachancetogotospace,wouldyougo?Sh