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1、Module5 ALessoninaLab原文缩写关键知识基础知识原文缩写·再现巧复现·重记忆Differentmetalshavedifferentuses.Whenweusemetals,1.isimportanttoknowhowtheyreactwithdifferent2.(substance).The3.(react)ofmetalswiththesesubstancescanbeputinorder.Fromthetablewecanfindthatsodiumreactsbothwithoxygenandwaterwhilecopperdoesn’treactw
2、ithwater.When4.(heat)inoxygen,calciumburns5.(form)anoxide.答案:1.it2.substances3.reaction4.heated5.toform6.rusts7.preparations8.equipment9.tomake10.to11.which12.conclusionInthesecondpartoftheexperiment,ouraimistofindoutifiron6.(rust)indryair,inair-freewaterandinordinarywater.Havingmadefull7.(p
3、repare),weneeddifferentpiecesof8.(equip).Inordertofinishthesecondstageoftheexperiment,wehavetoboilthewater9.(make)surethereisnoairinit.Weaddsomeoil10.thewater,11.cankeepairoutofit.Duringeachstagewewillgetdifferentresultsanddrawthe12.(conclude)thatirondoesn’trustindryairandinair-freewaterbuti
4、trustsinordinarywater.1.expandv.膨胀,扩张,扩大;展开关键知识·盘点解疑难·提智能典例链接:①Thedirectorplanstoexpandthefirmintoaninternationalcompany.经理计划把公司扩展成为跨国公司。②Iamquitesatisfiedwithyourexplanation,sothere’snoneedtoexpandonit.我对你的解释很满意,没有必要再细说了。③Thisnovelisanexpansionofashortstoryhewroteabouttwentyyearsago.这部小说由他约
5、20年前写的一篇短篇故事扩展而成。重点领悟①expandon/upon详述,进一步说明②anexpansionofsth.……的扩大/膨胀,……的详述/展开词语辨析:expand扩大,扩张。不仅指尺寸的增加,还可指范围和体积的扩大extend伸出,延伸。指空间范围的扩大以及长度、宽度的朝外延伸,也可指时间的延长spread展开,传播。指使某物摊开、展开或消息等向四面八方传播开,着重于传播和散布stretch伸开,拉长,变松。一般指由曲变直、由短变长的伸展,而不是加长。强调形状的变化【巧学助记】巧学活用:用expand,extend,spread,stretch的适当形式填空①M
6、yhusband’sbluesweaterhascompletelyoutofshape.②Let’sthemapoutonthefloor.③Waterasfreezes.④Theforestinalldirectionsasfarastheeyecouldsee.stretchedspreadexpandsextended2.aimn.目标,目的(可数名词);瞄准,对准(不可数名词)v.瞄准,对准;目标在于典例链接:①Livingwithoutanaimislikesailingwithoutacompass.生活中没有目标就如航海没有罗盘。②Idon’tknowatwho
7、mtheMinister’sremarkswereaimed,butheoughtnottosaysuchthings.我不知道部长的讲话针对谁,但是他不该说这样的话。③Afterhoursofwalkingintheforestaimlessly,wewerelost.漫无目标地在森林里行走了几个小时之后,我们迷路了。④Heaimedatthebird,butmissedit.=Hetookaimatthebird,butmissedit.他向鸟瞄准,但没有击中。重点领悟①takeaima
