EarthHowlifebeganontheearthTextRetellingTheexplosionoftheearthproduced___________,whichturnedintowaterwhentheearthcooleddown.Waterallowedtheearthto_________harmfulgasesintotheoceansandseas.Thatmadeitpossiblefor_____tobegintodevelop.Thearrivalofsmall_____encouragedthedevelopmentofearly_______andallsortsoffish.Manymillionsofyearslaterthefirstgreenplantsbegantoappearonland.

watervapourdissolvelifeplantsshellfishLaterlandanimalsappeared.Somewere_______.Others,called_________,wereabletoliveonlandaswellasinthesea.Whentheplantsgrewintoforests,__________appearedforthefirsttime.Then________developed,whichbecamethemostimportantanimalsontheearthformillionsofyears.Aftertheydisappeared,________becamemoreimportant.TextRetellinginsectsamphibiansreptilesdinosaursmammalsTheywerethelastgroupofanimalsandtheyweredifferentbecausethey______theiryoungfromwithintheirbodies.Smallcleveranimals,withhandsandfeet,________and_______allovertheearth.Astimewentby,theycoveredtheearthandhavebecomethemostimportantanimalsontheplanet.TextRetellingproducedappearedspread在北京城往東120公里的河北省遵化市坐落著大清朝的東陵TheTombofQingislocated120kilometerseastofBeijinginZunhuacounty1.Accordingtoawidelyacceptedtheory,theuniversebeganwitha‘BigBang’thatthrewmatter____________________(朝各個方向）2._____________________(隨后它會變成什么）wasuncertainuntilbetween4.5and3.8billionyearsago_____dustsettledintoasolidglobe.

inalldirectionsWhatitwastobecomewhen多爾袞在草原上遇到了大玉兒，日后注定成為王妃的那個人OnthegrasslandDuoergunmetdayuer,whowastobecometheprincess_________________（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;becauseABbeto(do):(something)willdefinitelyhappen,oritmusthappen不可避免要發(fā)生或必須發(fā)生

e.g.Theysaidgoodbye,littleknowingthattheywerenevertomeetagain.

Sheistobehonouredforthisgreatwork.

Mr.Clarksaidtohisdaughter,“Youaretobehomeby10o’clockatthelatest.”3.Theearthbecamesoviolentthatitwasnotclear__________________(這個固體形狀是否會繼續(xù)存在下去）

whethertheshapewouldlastornot還不清楚他什么時候去市里了Itisnotclearwhenhewentdowntown4.Theywereintimetoproducecarbon,nitrogen,watervapourandothergases,_____________________(這些就形成了地球的大氣層）5.Whatisevenmoreimportantisthat

astheearthcooleddown,waterbegantoappearonitssurface.6.WaterhadalsoappearedintheMarsbut,unliketheearth,ithaddisappearedlater.7.Itwasnotimmediatelyobvious______waterwastobefundamentaltothedevelopmentlifewhichweretomaketheearth’satmosphere.that8.__________________(許多科學家所相信的是）isthatthecontinuedpresenceofwaterallowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas.9.Thisproducedachainreaction,______________________(這使得生命發(fā)展成為可能）

他回到了自己的國家，他就可以專心的做自己的工作Hereturnedtohisowncountry,whichmadeitpossibleforhimtosettledowntohisworkThisdisappearancemadepossibletheriseofmammalsontheearthWhatmanyscientistsbelieveWhichmadeitpossibleforlifetodevelop學好英語使我出國有了可能。LearningEnglishwellmakesitpossibleformetogoabroad.ks5u精品課件it作形式賓語，其真正的賓語可以是不定式，動名詞和從句。

TheforeignMinistersaid,“_____ourhopethatthetwosideswillworktowardspeace.”(2004BJ)A.ThisisB.ThereisC.ThatisD.Itis2.Ilike____intheautumnwhentheweatherisclearandbright.(NMET2004)A.thisB.thatC.itD.one3.Whydon’tyoubring___tohisattentionthatyouaretoobusytodoit?A.thisB.thatC.whatD.itDCD9.Theymultipliedandfilledtheoceanswithoxygen,________encouragedthelaterdevelopmentofearlyshellfishandallsortsoffish.Hisdisappearanceencouragedthebeliefthathewasthethief.不要做這些事情來助長他的懶惰（不要助長他的懶惰通過做這些事情為他）Don’tencouragehislazinessbydoingthesethingsforhim.拔苗助長Pulltheplantstoencouragethegrowthofthem.which10._____theysuddenlydisappearedstillremainsamystery.她是怎么死的仍是一個謎11.Thus,theyhave,intheirturn,becomethemostimportantanimalsontheplanet.12.Theyareputtingtoomuchcarbondioxideintotheatmosphere,_______preventsheatfromescapingfromtheearthintospace.13.Whetherlifewillcontinueintheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.Howshediedremainsamystery.Whywhich我們是否去取決與天氣Whetherwewillgotheredependsontheweather.他是否能得到這份工作取決于他是否努力了Whetherhecangetthejobdependsonwhetherhehasworkedhard15.Whetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.

dependon

sb./sth.

sb.todosth.sb.doingsth.sb./sth.forsth.

相信，信賴,依靠,依賴,視…而定，取決于

1)Whenyouareinastrangeplaceyou’dbetterdependonthemap.

2)Youcan’tdependonotherstohelpyou.3)Alllivingthingsdependonthesunfortheirgrowth.4)Hedependsonhispenforhisliving.wh-5)Youcandependonhim.He’llleadyouthere.6)Successdependsonyourownhardwork.7)Oursuccessdependsonwhethereveryoneworkshard.

dependonit沒問題，請放心（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.countB.believeC.trustD.depend解析:相信/信賴某人:countonsb.believeinsb.dependonsb.trust(in)sb.C1.Nooneknows________lifebeganonearth2.Theoriginoflifeonearthisaquestion______interestsastronomers.3.Eachreligionandculturehasitsownideasabout_______lifebeganonearth4.Canyoupredict______thereadingisabout?howthathowwhatPhrases:1.太陽系2.繞太陽轉(zhuǎn)3.在天文學方面4.生命的起源5.每一種宗教和文化6.一個被廣泛接受的理論7.以開始8.朝各個方向拋扔物質(zhì)9.幾億年中10.一團塵埃11.塵埃落下成為固體球體12.爆炸聲音很大13.噴出(帶有)火和石塊14.及時遲早,最終15.冷卻下來16.在它的表面上17.在其它的星球上18.不象地球一樣19.對生命發(fā)展起關鍵作用20.持續(xù)有水存在21.分解有害氣體和酸在海洋中22.產(chǎn)生一系列的反應23.使得生命發(fā)展成為可能24.極小的植物25.使海洋充滿氧氣26.促使貝類的進化27.他們之后陸地上出現(xiàn)了動物28.既能在陸地上也能在水中29.第一次出現(xiàn)30.下蛋31.在地球上存在32.恐龍的年代33.仍是一個謎34.哺乳動物的增多35.生、產(chǎn)生（anewideacometoexist)~manyheroes36.散布在地球的各個地方37.輪到他們38.釋放過多的二氧化碳到大氣中39.阻止熱從地球釋放到太空中40.作為的結(jié)果41.太熱不能在上面住42.取決于43.解決問題1.Thisisthe