高中英語(yǔ)Unit-4-Astronomy：the-science-of-the-stars課件-新課

Unit4Astronomy:thescienceofthestarsexplodesurfacemethodpreventspreaddevelopastronomyE.burstsuddenlywithaloudnoiseA.outsideofsomethingB.wayofdoingsomethingF.stopsomethinghappening

D.becomewider;gotootherplacesC.growup;takeshape;becomelargerormorecompleteG.scientificstudyofthestarsquiz1.WhowrotethebookTheOriginofSpecies(物種起源)?AIssaacNewtonBAlbertEinsteinCCharlesDarwin2.WhoisfamousforthetheoryofBlackHoletheory?(黑洞)

AHawkingBNewtonCEinstein3HowmanybigplanetsarethereintheSolarSystem?A7B8C94.Whichonebelongstoamphibian?AfrogBsnakeCdinosaur5.Whichonebelongstoreptile?AfishBsnakeCbird8.Onwhichplanetaretherelivesatpresent?AtheVenusBtheEarthCtheMars7.whichgasisthemostimportantforlife?A.carbondioxide(CO2)B.oxygen(O2)C.nitrogen(N2)6whichonebelongstomammal?AdinosaurBdogCfishHOWLIFEBEGANONTHEEARTH

Scan

thetextandputthedevelopmentoflifeintorightorder.B.presenceofwaterA.greenplantsandanimalsonlandD.smallplantsandanimalsinthewaterC.humansappearBDAC

presenceofwatergreenplantsandanimalsonland

smallplantsandanimalsinthewater

humansappearWhathappenedaftertheearthexploded?theearthexplodedwatervapourcarbondioxideoxygennitrogenothergases

A.theearth’satmosphereB.BigBangC.TheearthexplodedandproducedkindsofgasesD.waterE.theearthcooleddownF.acloudofenergeticdustG.slowlycombineintoaball12345

67PutthesesentencesintotherightorderAHBDFGECAHBCFGEDwaterPlantsinthewaterShellfishandfishInsectsandamphibiansReptilesDinosaursMammalsPlantsonland1.Whatitwastobecomewasamysteryuntilthedustbegantoslowlycombineintoaballmovingaroundthesun._________________（使大家吃驚的是）isthathedidn’tcometothemeeting.Whatsurprisedeverybody2.________________（他所做的）

addedtoourdifficulty.Whathedid_____wecan’tgetseemsbetterthan____wehave.What;whatB.What;thatC.That;thatD.That;what_____madetheschoolproudwas_____morethan90%ofthestudentshadbeenadmittedtokeyuniversities.A.What;becauseB.What;that;C.That;whatD.That;becauseAB2.Theproblemwasthattheearthbecameviolentbecauseitwasnotclearwhetherthesolidshapewastolastornot.問(wèn)題是地球開(kāi)始變得激烈動(dòng)蕩，不知道這個(gè)固體形狀是否會(huì)繼續(xù)下去。n.固體

solid,(liquid液體,gas氣體)solidfuelssolidfoodasolidspheresolidfurniture1)

Matterhasthreestates:solid,liquidandgas.

2)Whenwaterfreezes,itbecomessolidandwecallitice.adj.固體的；實(shí)心的,無(wú)空隙的；結(jié)實(shí)的，堅(jiān)固的

beto(do):(something)willdefinitelyhappen,oritmusthappen不可避免要發(fā)生或必須發(fā)生

e.g.Theysaidgoodbye,knowingthattheywerenevertomeetagain.Sheistobehonouredforthisgreatwork.

Mr.Clarksaidtohisdaughter,“Youaretobehomeby10o’clock.”3.Itexplodedloudlywithfireandrock,whichwereintimetoproducethewatervapour,…1).（使某物）炸開(kāi)，爆炸2).（指感情）激發(fā)

3).（指人口）突然或迅速增加

Thefireworkexplodedinhishandandhewashurtseriously.

Iwasfrightenedwhensheexplodedintoloudlaughter.

Nowitisnoteasytofindjobswiththeexplodingpopulation.

explosionn.爆炸（聲）

explosiveadj.爆炸性的，易爆炸的n.炸藥，爆炸物intime(forsth/todosth):

notlate及時(shí)；不遲她來(lái)得及回來(lái)準(zhǔn)備晚飯。intime:soonerorlater;eventually遲早；最后總有一天我會(huì)遇見(jiàn)他。in/outoftime:in/notinthecorrecttime合/不合節(jié)拍觀(guān)眾合著音樂(lè)的節(jié)拍拍手。Shewillbebackintimetopreparedinner.I’llseehimintime.Theaudienceclappedintimetothemusic.與time相關(guān)的短語(yǔ):

innotimeattimesatatimeonceuponatime立刻,馬上有時(shí)每次;依次從前ontimeatonetimeforthetimebeingfromtimetotime按時(shí);準(zhǔn)時(shí)從前暫時(shí)不時(shí)地4.Astheearthcooleddown,waterbegantoappearonitssurface. 隨著地球的冷卻,地球的表面就開(kāi)始出現(xiàn)了水。cool

adj.涼快；冷靜；冷淡

v.（使）變冷；冷靜下來(lái)

1)Let’ssitintheshadeandgetcool.

4)Therainhascooledtheair.2)IknewIhadtokeepcool.3)Hisplayreceivedacoolresponsefromthepublic.5)Letyoursoupcoolalittlebeforeyoudrinkit.6)Aheatedargumentcanbesettledbetterifbothsidescooldownfirst.7)Itriedtocoolherdownbutshewasstillveryangry.

5.Nobodyknewthatitwasgoingtobedifferentfromotherplanetsgoingroundthesun.

bevery/much/quite/entirely/totallydifferentfrom與…不同

Citylifeisquitedifferentfromcountrylife.

1）城市生活和農(nóng)村生活很不同。2）他們的品位和我不同。Theirtastesaredifferentfrommine.Therearedifferencesbetween…and…

tell…from…thesameas…besimilarto…與…之間有不同之處把…與…區(qū)分開(kāi)來(lái)與…一樣與…相似6.Itallowstheearthtodissolveharmfulgases,which…allowvt.允許、許可、容許allow+n./pron./doingallowsb.todobeallowedtodoMyfatherdoesn’tallowsmokingathome.Infacthedoesn’tallowustosmokeanywhereatanytime.父親不允許在家里吸煙。實(shí)際上，他不允許我們?cè)谌魏蔚胤饺魏螘r(shí)候吸煙。Areweallowedtousethecomputer?我們可以用電腦么？beharmfultodoharmtosb.=1)Pollutionisespeciallyharmfultoanimals.2)Smokingwilldoyoualotofharm.

對(duì)…有害

dosb.harm傷害某人，對(duì)某人有害處it作形式賓語(yǔ)，其真正的賓語(yǔ)可以是不定式，動(dòng)名詞和從句。TheforeignMinistersaid,“_____ourhopethatthetwosideswillworktowardspeace.”(2004BJ)A.ThisisB.ThereisC.ThatisD.Itis2.Ilike____intheautumnwhentheweatherisclearandbright.(NMET2004)A.thisB.thatC.itD.one3.Whydon’tyoubring___tohisattentionthatyouaretoobusytodoit?A.thisB.thatC.whatD.itDCD7.Thatmadeitpossibleforlifetobegintodevelop.4.Why?Ihavenothingtoconfess.____youwantmetosay?A.WhatisitthatB.WhatitisthatC.HowisitthatD.Howitisthat5.Wasitattheschool____wasnamedafterahero______hespenthischildhood?A.which;thatB.where;whereC.that;whereD.which;whereAA8.Theymultipliedandfilledthefirstoceansandseaswithoxygen.multiply(數(shù)目上)增加，增多；乘；（使）繁殖

1)Ourproblemshavemultipliedsincelastyear.

2)multiply2and5andyouwillgetto10.4)Theplantsheremultiplyrapidly.3)6multipliedby5is30.=Multiply6by5tomake30.9.Thisencouragedthedevelopmentofearlyshellfishandallsortsoffish.encourage鼓舞；促進(jìn)；慫恿。后接名詞、代詞，也可接不定式作賓語(yǔ)補(bǔ)足語(yǔ)。如：Highpricesforcornandwheatwillencouragefarming.玉米和小麥的高價(jià)將促進(jìn)農(nóng)業(yè)的發(fā)展。Mysuccessencouragedmetocontinue.我的成功鼓勵(lì)我繼續(xù)干下去。Heencouragedmetolearndancing.他鼓勵(lì)我去學(xué)跳舞。10.Manymillionsofyearslaterthefirstgreenplantsbegantoappearonland.

late

adj.遲到的，晚的；前任的；以前的；已故的

lateradv.后來(lái)，較晚時(shí)候,過(guò)后

adj.late的比較級(jí)(更遲的,更后的)

latest

adj.最新的

lately

adv.=recently近來(lái)

1)Mr.ZhuRongjiisthelatePrimeMinisterofChina.

3)ShearrivedinLondononMonday,2dayslaterheleftforNewYork.5)Whathaveyoubeendoinglately?2)Heisoftenlateforschool.4)Haveyouheardaboutthelatestnews?

11.Whentheplantsgrewintoforests,reptilesappearedforthefirsttime.她漸漸出落成一個(gè)美麗的姑娘。生長(zhǎng)成為,漸漸成為或變得…（不用于被動(dòng)語(yǔ)態(tài)）Sheisgrowingintoabeautifulyoungwoman.12.Theyproducedyounggenerallybylayingeggs.

It’sgenerallybelievedthat…一般認(rèn)為…

generallyspeaking

一般而言，概括來(lái)說(shuō)

1)It’sgenerallybelievedthatgirlsworkharderthanboysdo.

2)Generallyspeaking,womencrymoreeasilythanmen.動(dòng)詞過(guò)去式過(guò)去分詞現(xiàn)在分詞意義lielaylainlying躺，位于lieliedliedlying撒謊laylaidlaidlaying擱，放，下蛋Thenaughtyboy___tomethatthehenthat___therejustnowhad___twoeggsthedaybefore.A.laid;laid;laidB.laid;lay;lainC.lied;laid;lainD.lied;lay;laidD13.Smallcleveranimals,nowwithhandsandfeet,appearedandspreadallovertheearth.

vi.

散布,傳播，蔓延,伸展，擴(kuò)展

vt.

鋪開(kāi)，攤開(kāi)

1)Thenewsspreadthroughtheschoolveryquickly.

2)

Ispreadanewclothonthetable.14.Theyareputtingtoomuchcarbondioxideintotheatmosphere,whichpreventsheatfromescapingfromtheearthintospace.

阻止某人做某事

:preventsb.(from)doingsth.

stopsb.(from)doingsth.

keepsb.fromdoingsth.

1)Wemustpreventthemfrommakingtrouble.

2)Youshouldpreventthechildfrominjuringhimself.

Ifnothingprevents,…如果沒(méi)有什么阻礙的話(huà)

,…15.Whetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.dependon

sb./sth.

sb.todosth.sb.doingsth.

sb./sth.forsth.

相信，信賴(lài),依靠,依賴(lài),視…而定，取決于

1)Whenyouareinastrangeplaceyou’dbetterdependonthemap.

2)Youcan’tdependonotherstohelpyou.3)Hedependsonhispenforhisliving.wh-4)Successdependsonyourownhardwork.dependonit沒(méi)問(wèn)題，請(qǐng)放心（句末或句首）

That/It(all)depends.那得看情況而定

1)Dependonit,you’llsucceed.

2)Hemaysupportme,butitdepends.Tellhimwhatyouwanttosay;he’samanto__.A.count