Unit4Astronomy:thescienceofthestars概括大意Scienceisnotjustknowledge；itisawayofthinking，amethodoffindingoutabouttheworld.Weseesomething，wetrytoexplainit，andwetestourideabysettingupallexperiments.Onedayyoucomehomeandfindtheplantonthetablehasfallenover.Youthinkitmightbethewindfromtheopenwindoworthecat.Soyouclosethewindow，butleavethecatinandseewhathappens(youcanalsotryleavingthewindowopenandshuttingthecatout)．Ofcourse，youremembertheremaybeathirdexplanation.此段落的大意是：__________________________________Whatexactlyisscience?課前10分鐘漫畫欣賞

畫面描述Twogoatsaretiedtoeachotherwitharope.Theybothseesomegrassinoppositedirections，andtrytopulltogettheirownfood.Howevertheropeistooshorttoallowthemtoeattheirfood.寓意理解Cooperationisbetterthanconflict.Ourgoalisnotthatwegetsomethingandtheothergetsnothing，butthatallpeoplegetwhattheywant.Thus，cooperationwillbenefiteveryone.你能否對此加以擴(kuò)展，寫一篇120詞左右的小短文？課堂雙基回歸Ⅰ.詞義辨析1．AIDSisadiseasethatbreaksdownthebody’simmune______.A．situationB．originC．systemD．preservation2．________crimessuchasmurderorrapeareontheincreaseinthisdistrict.A．GenuineB．ViolentC．FundamentalD．Secure3．The________athomehasbeendepressingsincetheyhadthatfight.A．a(chǎn)tmosphereB．backgroundC．emergencyD．occasion4．Thefestivalhasbeenagreatsuccess，________lastyearwhenitrainednon-stop.A．besidesB．beyondC．despiteD．unlikeCBAD5．TheGovernmentfearsthestrikemayproducea____reactioninotherindustries.A．floatB．a(chǎn)tomC．seriesD．chain6．Ifyou________threebythree，yougetnine.A．multiplyB．puzzleC．seekD．combine7．Thereisnoevidencethatlife________onotherplanets.A．respondsB．ExistsC．explodesD．sinksDAB8．Forthesakeofherdaughter’shealth，shedecidedtomovetoawarm________.A．weatherB．TemperatureC．seasonD．climate9．Threepeoplewerekilledwhentheircar________intoalorry.A．chargedB．CrashedC．balancedD．glared10．Thesoundofhervoicecame________downfromanupstairswindow.A．floatingB．settlingC．blockingD．packingBDAⅡ.短語填空intime；nowthat；breakout；getcloseto；cheerup；givebirthto；inone’sturn；watchout；blockout；getthehangof1．Don’tworry—I’msurethingswillgetbetter________.2．Wecongratulatedheron

afinehealthybaby.3．Nowthatwehavefinisheddesigning，thecompany，________，shoulddotheconstructingwork.4．Thewall________allthelight.Iimegivingbirthtoinitsturnblocksout5．Shetoldherchildto________whencrossingthestreet.6．Usingthecomputerisn’tdifficultonceyou

it.7．

youaregrown-up，youshouldnotrelyonyourparents.8．Shouldanotherworldwar________，whatwouldbecomeofhumanbeings?9．Thecrowd

whentheysawtheteamsarrive.10．Tellthechildrennotto

thecave.watchoutgetthehangofNowthatbreakoutcheeredupgetclosetoⅢ.完成句子1．

(隨著地球的冷卻)，waterbegantoappearonitssurface.(cool)2．Whetherlifewillcontinueontheearthformillionsofyearstocomewill

(取決于這個問題能否得到解決)．(depend)3．Whenwegetclosertothemoon，weshall________________________(感到月球的引力在拉我們)．(pull)AstheearthcooleddowndependonwhetherthisproblemcanbesolvedfeelitsgravitypullingusⅣ.單項填空1．Thisproducedachainreaction，whichmade____possibleforlifetodevelop.A．thatB．themC．itD．one2．LiYanping________thattheforceofgravitywouldchangethreetimesonourjourney.A．explainedtomeB．explainedmeC．explainedwithmeD．explainedmeof3．Astherocketroseslowlyintotheairwebegantofeelthepulloftheearth，whichis________wecallgravity.A．howB．whereC．whenD．whatCAD4．ButwhenItriedtostepforwardIfoundIwascarried___ontheearthandfellover.A．a(chǎn)sfarastwiceB．a(chǎn)stwicefarasC．twiceasfarasD．a(chǎn)sfartwiceas5．Wewatched，________asfirebrokeoutontheoutsideofthespaceshipastheearth’sgravityincreased.A．a(chǎn)mazingB．a(chǎn)mazedC．beingamazingD．beingamazedCB知識要點整合核心詞匯梳理1．unlikeprep.不像；和……不同Unlikehisbrother，hehasagoodsenseofhumor.和他兄弟不同，他有種幽默感。InhisjeansandT-shirt，Charleslookedmostunlikealawyer.查爾斯身穿牛仔褲和T恤衫，看上去一點兒也不像個律師。It’sunlikeBethtodrinksomuch；Iwonderifshe’sallright.貝思喝這么多可不像她平時，我不知道她有沒有事。2．thusadv.如此；這樣；因此Heforgottoturnontheradioandthusmissedtheprogram.他忘了打開收音機(jī)，因此錯過了那個節(jié)目。Mostoftheevidencewasdestroyedinthefire.Thusitwouldbealmostimpossibletoprovehimguilty.多數(shù)證據(jù)已毀于火災(zāi)，因而要證明他有罪幾乎是不可能的。3．existvi.存在；生存句型thereexists...意為“有……；某地有……；某地存在著……”，相當(dāng)于therebe句型。Therealwaysexistsaforceofattractionbetweentwobodies.兩物體間總是存在著引力。Thereexistedatemplewheretheschoolstands.現(xiàn)在的這個學(xué)校所在地原來有一座寺廟。搭配existon...靠……生存或生活Thehostagesexistedonbreadandwaterforover5months.人質(zhì)靠面包和水生存了5個多月。Theycan’texistonthemoneyhe’searning.他們靠他掙的那點錢無法維持生活。拓展existing“現(xiàn)存的，現(xiàn)在的”，一般用作定語。Changeswillbemadetotheexistinglaws.現(xiàn)行的法律將被修改。4．massn.

質(zhì)量；團(tuán)，塊；大量識記amassof/massesof大量的；大批的；許多Massesofbookscoveredeverysurfaceintheroom.大量的書籍?dāng)倽M了整個房間。Westillhadmassesoftimetospare.我們?nèi)匀豢梢猿槌鲈S多時間。

提示amassof或massesof既可修飾復(fù)數(shù)名詞，亦可修飾不可數(shù)名詞。I’vegotmassesofworktodo.我有一大堆的工作要做。Amassoftouristscameintothecity.大量的游客來到這個城市。

辨析themassof...大部分；大多數(shù)Themassofmodernpeopleareinfluencedbytelevision.現(xiàn)代人大多受到電視的影響。

識記inamass大量地；大批地Sportsfanscametothestadiuminamassbeforethegame.大批的運動愛好者在賽前就來到了體育館。重點短語例釋1．intime及時；早晚；遲早Wegottothestationjustintimetocatchthebus.我們到達(dá)車站時，剛好趕上那班車。Intimehewillseewhatisright.他早晚會明白什么才是對的。2．getthehangof熟悉；掌握；理解Pressthisbuttonwhenthelightgoeson—you’llsoongetthehangofit.當(dāng)燈亮起來后，請按這個按鈕，你很快就能掌握。Ijustcan’tgetthehangofthereasonwhytheyinsistongoingbymotorbike.我就是不明白他們?yōu)槭裁磮猿烛T摩托車去。3．breakout突然發(fā)生；爆發(fā)Aterriblefirebrokeoutatthesupermarketlastnight.昨晚超市突然發(fā)生了大火。Aquarrelbrokeoutbetweentheyoungcouple.年輕夫婦間發(fā)生了爭吵。疑難語句細(xì)解1.Whenwegetclosertothemoon，weshallfeelitsgravitypullingusbutitwillnotbeasstrongapullastheearth’s.當(dāng)我們離月球越來越近時，我們會感覺到它對我們的引力，但是這種引力沒有地球的引力那樣大?！疽c指南】asstrongapullas...是“as...as...”比較結(jié)構(gòu)的一種變化形式。在as...as中間可使用名詞，但名詞前要有形容詞和不定冠詞。Iwanttoexpressmypersonalexperienceinasuniversalawayaspossible.我想用一種盡可能普