module-5-a-lesson-in-a-lab-reading-and-vocabulary

ReadingandvocabularyReadthepassageasquicklyasyoucanandchoosethebesttitleforit.TheDifferentUsesofMetalsTheReactionofMetalsTheReactionofMetalswithOxygenPassageAWecanreachaconclusionthatitisimportantforustoreadbooks.Itisouraimtobuildupaharmonioussociety.Itisapieceofelectricalequipment.ThestonecontainspotassiumsodiumcalciummagnesiumThewheelismadeofaluminum.zincoxideNailsareeasytorustinthedampair.Waterboilsat100°C.conclusionaimelectricalpotassiumsodiumcalciummagnesiumaluminumzinccopperoxiderustboilsReadthepassageagainandanswerthefollowingquestions:1.Whichofthemetalsinthetablereactsthemostwithoxygenandwater?Potassium,calciumandsodium.2.Whathappenswhenyouheatcalciuminoxygen?Itburnstoformanoxide.3.Whichmetalsreactwithsteam?Magnesium,aluminiumandzinc.4.Doesironhaveasloworfastreactionwithsteam?Ithasaslowreaction.5.Doescopperreactwithwater?No,itdoesn’t.Readthepassageandfillinthechart.IronindryairIroninair-freewaterIroninordinarywaterStageA(startingexperiment)cottonwoolwaterwaterPassageBStageB(1weeklater)StageC(Result)nailswaterIrondoesnotrustIrondoesnotrustIronrustsReadthepassageagainandcompletethesentences.1.Inthefirstpartoftheexperiment,the___isdry,notwet.2.Itshowsthatiron__________whentheairisdry.airdoesnotrust3.Inthesecondpartoftheexperiment,youmust____thewatertomakesurethereisno____init.4.Youadd_________tothewaterbecausethiskeeps____outofit.5.Itshowsthat____doesnotrustinwaterthathasno____init.boilairsomeoilairnailairHomework1.Learnthenewwordsandimportantsentencesbyheart.2.ReadPassageAandBandtrytoretellit.基础落实Ⅰ.高频单词思忆1.Weclimbedoutofthehole,rightinfrontoftwo(惊讶的)policemen.2.Thisisa5starhotelwithperfect(设备).3.Thenewtaxescameasashockto(普通的)Americans.4.Thepopulationofthetown(膨胀)rapidlyinthe1960s.astonishedfacilitiesordinaryexpanded5.Fromthesefactswecandrawsome(结论)abouthowthepyramidswerebuilt.6.Ithinkthesuddenbreakoftheelectricityhassomethingtodowithan(电的)fault.7.Theycarrylogsby(漂)themdowntheriver.conclusionselectricalfloating8.Theprofessorisgivingaseriesof(讲座)onmolecularbiology.9.Thisdrinkisa(混合物)ofthreedifferentsorts,soithasseveraltastes.10.Trytokeepa(平衡)betweenworkandrelaxation.lecturesmixturebalanceⅡ.重点短语再现1.add......给……增加……→add使增加→addto总计；总共2.thebottom在……的底部→thebottomofone’sheart从心底里；由衷地3.beof对……感到自豪；骄傲→takein以……为自豪4.besupposed理应；被认为是……→Isuppose我看可以5....inorder按顺序摆放……→order整齐；条理→outorder次序颠倒totoupatoffromproudpridetosoputinof6.think考虑；想到→think想出(主意等)→think仔细考虑→think再三考虑；慎重思考7.comeup突然想起→cometo苏醒；活跃起来8.fromthatmoment从那一刻起→fromon从那时起→fromon从现在起9.turn轮流→by轮流地；依次地→taketodo...轮流做……→turn结果是……10.react与……发生反应→react(人)对……作出反应ofupovertwicewithlifeonthennowinturnsturnsoutwithtoⅢ.典型句式运用1.Two-thirdsoftheearth’ssurfaceiswater.地球表面的三分之二是水。考查分数的表达法和主谓一致这里三分之一的书是属于他的。考点提炼句子仿造Onethirdofthebooksherebelongtohim.2.Theearthisforty-ninetimeslargerthanthemoon.地球比月球大四十九倍。考查倍数表达法新修的路比原来的路宽3倍。考点提炼句子仿造Thenewly-builtroadisthreetimeswiderthanthatoldone.3.It’shardtothinkofaworldwithoutmetals.很难想像一个没有金属的世界。考查句式Itis+adj.+(for/ofsb.)+todosth.把伞忘在出租车上，你真粗心。考点提炼句子仿造It’scarelessofyoutoleaveyourumbrellainthetaxi.4.Thecloseryouare,themoreyou’llsee.你靠的越近，看到的就越多。考查Themore...,themore...句式你越是努力，取得的进步就越大。考点提炼句子仿造you’llmake.Theharderyoustudy,themoreprogress5.Belowisadescriptionofasimplescientificexperiment.下面是对一个简单的科学实验的描述。考查倒装句式我们靠天吃饭的日子一去不复返了。考点提炼句子仿造Gonearethedayswhenwehadtobeatthemercyoftheweather.导练互动重点单词1.contractv.(使)收缩；和……订合同;n.契约，合同Whenyouheatametal,itcontracts.当你给金属加热时,它会收缩。（回归课本P41）观察思考Ifyouicethemetal,itwillcontract.如果你冷冻金属，它就会收缩。Wecontractedwithashoefactoryfor4,000pairsofshoes.我们和一家鞋厂签订了一份4000双鞋的合同。Hemadeatwo-yearcontractofemploymentwiththefirm.他和那家公司签订了两年的雇用合同。归纳拓展makeacontractwith与……签合同signacontract签署合同carryoutacontract履行合同cancelacontract取消合同breakacontract违反合同by/oncontract按照合同；依约活学活用Youshouldreadthecarefullybeforeyousignit.A.contrastB.contactC.contractD.conflict解析考查名词词形和词义的辨析。contract合同；contrast对照，对比；contact联系，接触；conflict冲突。C2.conclusionn.结论；断定；结束；结局；协定，协议观察思考Whatconclusiondoyoudrawfromtheevidence?你从证据中得到了什么结论？FromwhatyousayIconcludethatyouareright.根据你的话我断定你是对的。Theplayconcludedwiththedeathoftheentirecast.该剧以全体剧中人物之死为结局。Inconclusion,Iwishallofyougoodhealthandalonglife.最后，我祝大家健康长寿。归纳拓展conclusion作“结束，结尾”讲时常用单数，用作“结论”讲时为可数名词，用作“协议，缔结”讲时为不可数名词。cometo/arriveat/reach/drawaconclusion得出结论bring...toaconclusion使……结束inconclusion最后concludev.结束；断定;订立concludewith以……而结束concludesth.fromsth.从某事中得出某个结论concludesth.(with)sb.与某人达成(协定)活学活用Davidfromtheanalysisofthetrafficaccidentthatithadbeencausedbyhumanerror.A.announcedB.acknowledgedC.concludedD.considered解析句意为：David从交通事故分析中推断出这次交通事故是人为错误导致的。C3.reactvi.回应；起作用；起反应Whichofthemetalsinthetablereactsthemostwithoxygenandwater?表格中的金属哪一个与氧气和水反应最厉害？(回归课本P44)观察思考HowdidWilsonreacttoyouridea?威尔逊对你的想法反应如何？Ironreactswithwaterandairtoproducerust.铁和水及空气发生反应生成锈。Mostpeoplereactedagainstthepassingofthelaw.多数人反对通过这项法律。Applausecanreactgreatlyon/uponaspeaker.听众的掌声对演讲人有很大影响。归纳拓展react的含义及用法：(1)作出反应，回应(与to连用);(2)反对，反抗，反动(与against连用);(3)(指物质)起化学反应(与with连用);(4)对某事物有影响，对某事物产生变化(与介词on连用)。活学活用Thefootballplayerreactedthejudge’sdecisionbywithdraw