九年級英語上冊Unit5LookintoScienceLesson27PlanetDanny教學(xué)課件

Unit5LookintoScienceLesson27PlantDannyThinkaboutit!1.Doyoulikescience?Whyorwhynot?2.Doyouknowanyoftheplanetsinthesolarsystem?行星?太陽的??Howtoseesolarsystem?telescopese望遠(yuǎn)鏡??Whatdotheydo?Whatdotheysee?Whatdoesthesolarsysteminclude?

Theearth,thesunandthemoonallbelongtothesolarsystem.OursolarsystemisinagalaxycalledtheMilkyWay.TheMilkyWayhasmorethanfivehundredbillionsrats.Scientistsaytheuniversecontainsbillionsofgalaxies.Doyouthinkthereislifeonotherplanets?Let'ssee!telescopen.solaradj.certainlyadv.unlessconj.doublen.&adj.mysteryn.望遠(yuǎn)鏡太陽的當(dāng)然除非兩倍&雙倍的謎Listentothedialogueandtickthecorrectanswers.(1)WhatdidDannydolastnight?

Hetriedtostudythemoon.

Hetriedtofindanewplanet.(2)WhatdidDannyuse?

Atelescope.

Abook.(3)WhatdidDannyneed?

Moresleep.

Morestars.√√√外語教學(xué)與研究出版社九年級

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arrive意為“到達(dá),來到”，為不及物動(dòng)詞,后接表地點(diǎn)的名詞時(shí),需使用介詞in或at。in用于指較大的地點(diǎn),at則指比較具體的小地點(diǎn)。arriveat/in=getto/reach外語教學(xué)與研究出版社九年級

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HesaidthatIcouldusehistelescope.本句含有that引導(dǎo)的賓語從句。無論主句是陳述句還是疑問句,賓語從句都應(yīng)使用陳述語序。含賓語從句的復(fù)合句,主從句謂語動(dòng)詞的時(shí)態(tài)呼應(yīng)包括以下三點(diǎn):(1)如果主句的謂語動(dòng)詞是一般現(xiàn)在時(shí),賓語從句的謂語動(dòng)詞可根據(jù)需要,選用相應(yīng)的時(shí)態(tài)。(2)如果主句的謂語動(dòng)詞是一般過去時(shí),賓語從句的謂語動(dòng)詞應(yīng)用相應(yīng)的過去時(shí)態(tài)。(3)如果賓語從句所表示的是客觀事實(shí)、普遍真理、自然現(xiàn)象或習(xí)慣性動(dòng)作等,不管主句用什么時(shí)態(tài),從句時(shí)態(tài)都用一般現(xiàn)在時(shí)。Theusageofthrough，acrossandoverthough:表示“穿過、通過”，指從某處或某物中間通過，側(cè)重點(diǎn)是從某空間里面通過。across:表示“橫過、穿過”，指在某一平面或物體上從一邊到另一邊去。over:表示“越過”，指從某物的上方越過。unless

:“除非，如果不”。unless

引導(dǎo)的條件狀語從句常用一般現(xiàn)在時(shí)表示將來的意義，主句多用一般將來時(shí)。例句：Youwillfailunlessyoustudyhard.如果你不努力學(xué)習(xí)，就會(huì)失敗。double作名詞或形容詞,意為“兩倍(的);雙重(的)”,也可作動(dòng)詞,意為“使加倍”worth:“相當(dāng)……價(jià)值,值得”,用于beworth+n./doing結(jié)構(gòu)。evenif:“即使……”,用來引導(dǎo)讓步狀語從句。belongtosb.意為“屬于某人”,=besb.’sbelongto不能用于進(jìn)行時(shí)態(tài)和被動(dòng)語態(tài)。billionsof:“數(shù)十億計(jì)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