必修3 unit4復習課件

Book3Unit4Astronomy：thescienceofthestars1._______n.衛(wèi)星2._______n.氣候3.___________n.宇宙飛船4.________n.引力；重力5.____________n.氣氛；大氣層6._________n.宗教→__________adj.宗教的7.________n.生物→__________n.生物學家satelliteclimatespaceshipgravityatmospherereligionreligiousbiologybiologist重點單詞8._________n.球體；地球儀；地球9.______________n.大氣層；氣氛10.__________v.乘；增加11.________v.碰撞；墜落12._______vt.&n.拉(力)；拖；牽13._________v.(使)浮動n.漂浮物14._________adj.溫和的；文雅的15._________adv.因此；于是16._________n.氧pull

globeatmospheremultiplycrashfloatgentlethusoxygenⅠ.單詞薈萃1．___________n．天文學→____________n．天文學家2．________n．生物學→________n．生物學家→_____________adj.生物學的3.________n．物理學家→________adj.物理學的→________n．物理，物理學→___________n．內科醫(yī)生4.________vi.存在→________n．存在5．________vt.使……迷惑→________n．難題；謎→________adj.迷惑不解的→____________adj.令人困惑的astronomyastronomerbiologybiologistphysicistphysicalphysicsexistexistencepuzzlepuzzlepuzzledbiologicalpuzzlingphysician6.________adj.猛烈的→________n．暴力→________adv.猛烈地7.________adj.有害的→_________adj.無害的________n．害處→________vt.對……有害8.________adj.全世界的；全球性的→________n．球體；地球儀9.________prep.不像；和……不同→________(反義詞)prep.→________v.&n．不喜歡10.________n．質量；團；塊；大量→________(pl.)群眾11.____n.&vt.拉；拖→(反義詞)______n.&vt.推violentviolenceviolentlyharmfulharmlessharmglobalglobelikedislike

massunlikemassesharmpullpush12.______adv.因此；于是→(同義詞)______________________________13._______n.系統(tǒng)；體系；制度→___________adj.系統(tǒng)的；有系統(tǒng)的14._______n.理論；學說→___________adj.理論上的；理論的→_________adv.理論上15._____________adj.基本的；基礎的→_______________adv.根本上；從根本上→_______________n.基礎；根本16._______vt.使筋疲力盡__________adj.使人精疲力竭的→__________adj.精疲力竭的thustherefore/consequently/hencesystemsystematictheorytheoreticaltheoreticallyfundamentalfundamentallyfoundationexhaustexhaustingexhausted1.及時________2.下蛋__________3.生；分娩_______________4.輪到某人；接著_______________5.阻止某人做某事________________________6.擋住_______________7.感到高興；振作_______________intimelayeggsgivebirthtoinone’sturnpreventsb.fromdoingsth.blockoutcheerup重點短語8.既然__________9.爆發(fā)___________10.密切注視；當心；提防______________11.熟悉；掌握；理解_______________12.對……有害______________________13.太陽系_______________14.二氧化碳________________nowthatbreakoutwatchout(for)getthehangofbeharmfulto/doharmtosolarsystemcarbondioxide15.將要做___________16.允許某人做某事___________________17.對……感到驚訝_____________18.在……的氛圍中___________________19.奠定基礎___________________20.一連串的___________betodoallowsb.todosth.beamazedatintheatmosphereoflaythefoundationachainofPlayingcomputergamesforalongtimeisvery_________(harm)toourhealth.2.Theiruntruecomments__________(violence)hurtthefeelingofChinesepeople.3.Hisanswertothequestionsounds_________(puzzle)andweareall_________(puzzle)alot.4.____________asshewas，therewasnohopeofherbeingabletosleep.(exhaust)三、用所給單詞的適當形式填空

harmfulviolently

puzzlingpuzzledExhausted

4.AsfarasIamconcerned,strongwill,diligence,anddevotionaswellasperseverancearefour__________(fundament)factorscontributingtosuccess.5.Fewpeopleunderstandthatthe_________(exist)ofrareanimalsiscloselyrelatedtoourlife.作從句的主語

fundamental

existence作定語用形容詞1.Accordingtothesurvey,mostgirlsarenotasinterestedinbasketballasboysare.根據(jù)調查,大部分女生不像男生一樣對籃球感興趣。2.Thereisnodenyingthefactthatmobilephonesbringgreatconveniencetoourlife,buttheirradiationmaybeharmfultoourhealth.不容否認手機給我們的生活帶來極大的便利，但是它們的輻射可能對我們的健康有害。3.AsfarasIamconcerned,thegovernmentissupposedtotakeeffectivemeasurestopreventthehazefromgettingworse.依我看，政府理應采取有效措施防止霧霾(haze)變得越來越糟糕4.Whethertheglobalwarmingwillbecomemoreseriousdependsonwhetherouractivitieswillproducemorecarbondioxide.地球變暖是否加劇取決于我們的活動是否產生更多的二氧化碳。四、朗讀下列例句，并抄寫進作業(yè)本里面第二節(jié)考點復習1.____wasnotimmediatelyobviousthatwaterwastobefundamental___thedevelopmentoflife.水會對生命的發(fā)展起關鍵作用，這一點在當時并不太明顯。2.Whatitwas__________(become)wasuncertain______between4.5and3.8billionyearsago_______thedustsettledintoasolidglobe.它會變成什么還沒有人知道，直到38億~45億年前，這團塵埃才慢慢地形成一個固體的球體。Itto課文優(yōu)美句子tobecomeuntilwhen3.Whatiseven______________(important)isthatastheearthcooleddown,waterbegantoappearon______surface.更為重要的是，地球冷卻了下來，地球的表面就開始出現(xiàn)了水。4.So________lifewillcontinueontheearthformillionsofyears________(come)willdependonwhetherthisproblemcan__________(solve).所以，在未來的數(shù)百萬年中，生命能否在地球上延續(xù)取決于這個問題能否得到解決。

moreimportantitswhethertocomebesolved5.Icheeredupimmediatelyand______(float)weightlesslyaroundinourspaceshipcabin_________(watch)theearthbecomesmallerandthemoon_______(large).我立刻感到很高興，由于失重，我在太空艙里飄來飄去，我望著(身后的)地球越來越小，而(前方的)月球越來越大。floatedwatchinglarger原句:Theylaideggstooandexisted

ontheearthformorethan140millionyears.恐龍也會下蛋,而且在地球上存活了超過1.4億年。(B3P26)1.existvi.

存在,生存,生活,繼續(xù)存在existin存在于……中existon=liveon靠…生活existas作為……而存在,⑶Wecan’texistwithoutwater.Thatmeansour________(exist)dependsonwater.運用⑴Thelittleboycannotexist___themoneyheisearning.⑵Mattercanexist___asolid,liquidorgas.onas

existence原句:Howlifebeganonearthisoneofthebiggest

puzzles

thatscientistsfoundhardtosolve.生命是如何起源的這個問題是科學家很難解答的最大困惑之一。(B3P27)2.puzzlen.

謎;難題v.(使)迷惑;(使)為難例句:Howhepassedtheexamisstillapuzzle

tous.他如何通過考試的對我們來說還是一個謎。bepuzzledby被……迷惑beapuzzletosb.對某人來說是個謎/困惑be/feelpuzzledabout對……感到困惑運用填入一個恰當?shù)脑~或完成句子。⑴Yourexplanationwasreallyapuzzle___me.⑵Hisrecentbehavior_________(使我困惑).

to

puzzlesme

原句:Theyareputtingtoomuchcarbondioxideintotheatmosphere,whichpreventsheat

fromescapingfromtheearthintospace.他們把過多的二氧化碳釋放到大氣層中,這使得地球上的熱不能釋放到太空中去。(B3P26)3.prevent/stop/keep...from

阻止/防止……做/發(fā)生……運用根據(jù)漢語提示完成句子。⑴上漲的河水使我們過不了河。Therisingwater__________________________________.⑵人們采取行動來防止了環(huán)境的惡化。Peopletookmeasures__________________________________________.preventedusfromcrossingtherivertopreventtheenvironmentfromgettingworse原句:Walkingdoesneedabitofpracticenowthatgravityhaschanged.重力改變了,看來走路也的確需要練一練了。(B3P31)4.nowthat

由于;既然例句:Nowthat

youareastudent,youmustobeyschoolrules.既然你是學生,你必須遵守學校的規(guī)則。運用根據(jù)漢語意思完成英文句子。⑴既然大家都來了,我們就開會吧。_________