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英语·必修3(人教版),第二学时 LearningaboutLanguage,课前热身要点讲与练栏目链接,Ⅰ.单词默写课前热身根据所给英文解释写出下列单词。1．________：verystrongandsudden.2．________：tomakesb.feelconfusedbecausetheydonotunderstandsth..3．________：tobepresentinaplaceorsituation.4．________：causingharm.5．________：anideaoropinion.violentpuzzleexist课前热身要点讲与练栏目链接harmfultheory,课前热身6．________：differentfrom；notsimilarto.7．________：asaresultofsth.,therefore.8．________：asetofideasortheoriesoraparticularwayofdoingsth..unlikethussystem课前热身要点讲与练栏目链接,Ⅱ.短语熟记课前热身1．________________及时，终于2．________________下蛋3．________________产生；分娩4．________________轮到某人；接着5．________________防止……受到……伤害intimelayeggsgivebirthtoinone'sturnprevent...from课前热身要点讲与练栏目链接,课前热身Ⅲ.佳句欣赏1．______________________________untilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidglobe.以后它变成什么没人知道，直到38～45亿年前，这团尘埃才慢慢形成一个固体的球状物。2．______________________________waterwastobefundamentaltothedevelopmentoflife.WhatitwastobecomewasuncertainItwasnotimmediatelyobviousthat课前热身要点讲与练栏目链接,课前热身水对生命的发展起到关键作用，这一点当时并不明显。3．Thisproducedachainreaction，____________________________forlifetodevelop.这就产生了一系列的反应，使得生命就有可能开始发展了。whichmadeitpossible课前热身要点讲与练栏目链接,课前热身要点讲与练栏目链接,要点讲与练1．However，accordingtoawidelyacceptedtheory，theuniversebeganwitha“BigBang”thatthrewmatterinalldirections.(p.25)然而，一种普遍为人们所接受的理论是：宇宙起源于一次大爆炸，这次大爆炸将物质投射到四面八方。课前热身要点讲与练栏目链接,词语链接要点讲与练beginwith＝startwith以……开始；由……作为开头tobeginwith首先，第一点课前热身要点讲与练栏目链接,即学即练要点讲与练选用上述词语完成下列句子。(1)Theproceedingswill________________aspeechtowelcometheguests.(2)Theparty____________asong.(3)________________，wemustconsidertheproblemallsidedly.课前热身要点讲与练栏目链接beginwithbeganwithTobeginwith,要点讲与练2．Theywereintimetoproducecarbondioxide，nitrogen，watervapourandothergases.(p.25)它们最终产生了二氧化碳、氮、水蒸气和其他气体。课前热身要点讲与练栏目链接,词语链接要点讲与练intime.及时；终于；迟早atonetime曾经，一度attimes有时，间或atatime一次，依次innotime几乎，马上地，立刻ontime准时；曾经aheadoftime提前课前热身要点讲与练栏目链接,要点讲与练forthetimebeing暂时fromtimetotime不时地atthesametime同时，但是课前热身要点讲与练栏目链接,即学即练要点讲与练用上述短语完成下列句子。(1)Theysentthemailtomejust____________，beforeIleft.(2)Williamarrivedatthetheatrejust______________fortheplaywastobeon.(3)Hurryup!Theconcertwillbegin_____________________________________________课前热身要点讲与练栏目链接intimeinnotimeintime,要点讲与练(4)________________________willIgiveup.(5)Theboylaughedandcried________________________________________________________________________.(6)________________________hewasaddictedtoplayingwebgames,butnowhedevoteshimselftowriting,whichdelightshisparents.课前热身要点讲与练栏目链接AtnotimeatthesametimeAtonetime,要点讲与练课前热身要点讲与练栏目链接(7)Don'ttrytodoeverythingatonce,takeitabit____________________．(8)You'llhaveyourownofficesoon,but__________________________you'llhavetoshareonewithme.(9)We'redeterminedthattheworkshallbefinished________________(提前)．atatimeforthetimebeingaheadoftime,要点讲与练课前热身要点讲与练栏目链接3．WaterhadalsoappearedonotherplanetslikeMarsbutunliketheearth，ithaddisappearedlater.(p.26)水也出现在像火星那样的其他行星上，但和地球不同，其他行星上的水后来都消失了。,要点讲与练课前热身要点讲与练栏目链接词语辨析：unlike，dislike①unlike(不像)是介词like(像)的反义词。②dislike(不喜欢)是动词like(喜欢)的反义词。Aperson，unlikeamachine，isnotreplaceable.人和机器不同，是不可替代的。Hedislikesdogs.他不喜欢狗。,即学即练要点讲与练根据句子的意思在括号里填入适当的词。(1)Agoodhotelmanagershouldknowhisregularguests'likesand________．(2)Herlatestnovelisquite________herearlierwork.(3)Ifyougoonlikethatyou'llgetyourself________(like)．(4)Iwasveryinterestedinthelecture，________manyofthestudents.课前热身要点讲与练栏目链接dislikesunlikedislikedunlike,要点讲与练课前热身要点讲与练栏目链接4．Whatmanyscientistsbelieveisthatthecontinuedpresenceofwaterallowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas.(p.26)许多科学家认为水的长期存在使地球得以把有害的气体和酸溶解在海洋里。,词语链接要点讲与练harmfuladj.有害的，伤害的harmv．&n.伤害harmfullyadv.伤害地harmlessadj.无害的harmlesslyadv.无害地beharmfulto对……有害课前热身要点讲与练栏目链接,要点讲与练doharmto对……有害dosb.harm对某人有害cometoharm受到损害cometonoharm未受到伤害课前热身要点讲与练栏目链接,即学即练要点讲与练选用上述词语完成下列句子。(1)It's________toyoureyestoreadinthebus.(2)Drunkenness(醉酒)______________ourhealth.(3)Nuclearpower(核能)will______________ourhealthandsafetyifimproperlyused.(4)Theyhaddonetheirbesttoharmfulisharmfultodoharmto课前热身要点讲与练栏目链接,要点讲与练__________________________________(防止小孩们受到任何伤害)．5．Theyproducedyounggenerallybylayingeggs.(p.26)它们通常是通过孵蛋来繁殖后代的。layvt.(laid,laid,laying)把放下；摆设；铺(地毯)；产(蛋)课前热身要点讲与练栏目链接preventchildrenfromanyharm,词语链接要点讲与练课前热身要点讲与练栏目链接layeggs下蛋laysth.aside把某物放在一边；积蓄(钱)laysth.down把某物放下laytheblameonsb.责备某人laythetable摆桌子layemphasis/stressonsth.把重点放在某事上,要点讲与练课前热身要点讲与练栏目链接Helaidhishandonmyshoulder.他把手放在我的肩上。Whoshouldwelaytheblameon?我们该责备谁？,即学即练要点讲与练根据句子的意思在括号里填入适当的词语。(1)Thebird________itseggsinotherbirds'nests.(2)Heisapoliticalleaderthat________________________________(非常强调)individualresponsibility.(3)He________somemoney________forrainydays.layslaysgreatstresson课前热身要点讲与练栏目链接Laysaside,要点讲与练6．Theylaideggstooandexistedontheearthformorethan140millionyears.(p.26)它们也生蛋，在地球上生存了1.4亿年。课前热身要点讲与练栏目链接,词语链接要点讲与练existvi.存在；生存existencen．存在exist＋prep.存在于地方existonsth.靠某物生存DoeslifeexistonMars?火星上有生命吗？IcanhardlyexistonthewageI'mgetting.我靠我挣的工资简直难以糊口。课前热身要点讲与练栏目链接,即学即练要点讲与练用exist的短语或其适当形式填空。(1)Thisplant________only________Australia.(2)Canyou________________suchalowsalary?(3)Idoubtthe________(exist)ofalien.7．Thustheyhave，intheirturn，becomethemostimportantanimalsontheplanet.(p.26)于是，他们接着成为这个行星上最重要的动物。Existsinexistontoexistence课前热身要点讲与练栏目链接,要点讲与练inone'sturn轮到某人；接着inturn轮流；一个接着一个byturns轮流；一阵……一阵……taketurns(todosth.)轮流(做某事)It'sone'sturntodosth.轮到某人做某事了It'syourturntocleantheclassroom.轮到你打扫教室了。词语链接课前热身要点讲与练栏目链接,要点讲与练即学即练课前热身要点讲与练栏目链接用上述短语完成下列句子。(1)Shewenthotandcold________________．(2)Inourclass，eachstudent'srecitationcomes________________(轮流)．(3)They，_______________，madeaproposal.(4)Eachofyoumust______________________________(依次发言)．byturnsbyturns/inturnintheirturntaketurnstomakeaspeech,要点讲与练8．Howlifebeganonearthisoneofthebiggestpuzzlesthatscientistsfoundhardtosolve.(p.27)生命到底是如何开始的是科学家们觉得最难解决的难题之一。课前热身要点讲与练栏目链接,要点讲与练词语链接课前热身要点讲与练栏目链接puzzlen．难题v．迷惑puzzlementn．迷惑puzzledadj.感到困惑的puzzlingadj.使迷惑的bepuzzledabout对……感到疑惑,要点讲与练即学即练选用上述词语完成下列句子。(1)Toexplainthe________findings,heofferstwotheories.(2)I________________thatIhaven'theardfromTomforsolong.(3)Shelistenedwitha________expressiononherface.(4)Noonehasyetsucceededinexplainingthe________ofhowlifebegan.puzzlingampuzzled课前热身要点讲与练栏目链接puzzlepuzzled,要点讲与练课前热身要点讲与练栏目链接waspuzzledWhatpuzzlesme,要点讲与练课前热身要点讲与练栏目链接,要点讲与练课前热身要点讲与练栏目链接此句为主从复合句。主语为主语从句，从句由连词whether引导，不定式tocome作years的定语。whetherthisproblemcanbesolved是dependon的宾语从句。,要点讲与练课前热身要点讲与练栏目链接即学即练将下列句子译成英语，并分析其结构。(1)使我兴奋的是，父亲给我买了一辆单车。____________________________________________________________________,要点讲与练课前热身要点讲与练栏目链接(2)我是否离开这家公司去深圳取决于老板怎样对我。__________________________________________________________________________________________________________________________
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