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1、[键入文字]Module5ALessoninaLabStep1、词汇学习重点词汇:expand,contract,electricity,conclusion,partial,ordinary,dissolve,facility,astonished1.expand.contract课文原句:Whenyouheatametal,itexpands.Whenyouheatametal,itcontracts.(Page41)expand和contract是一对反义词。expand在本句中的意思是“在面积上扩张、膨胀”,contract则表示“(使)缩小,缩短”expandvt.vi.1. 使…
2、变大,扩大,扩张,增强(尺码、数量或重要性)2. 伸展,伸开,张开,展开contractvt.vi1. 染上(恶习,疾病等)2. (使)收缩,(使)紧缩;(使)缩短;(使)皱缩1. 缔结;订契约2. (与…)订立(婚约);(与…)缔结(同盟)3. 缩约,紧缩(词、短语等)n.1. 契约,合同2.electricity,electrical,electronic,electricelectricadj.电的,用电的,电动的electricaladj.与电有关的,电学的,electricityn.电,电流electronicadj.电子的,与电子有关的electriciann.电工2.concl
3、usionn.inconclusion,drawaconclusionconclude,include,contain的辨义contain和include都有“包含”的意思,contain可用于表示包含所含之物的的全部或部分,而include则只能用于表示所包含之物中的一部分Theparcelincludedadictionary.那包裹里也包括了一本字典。Theparcelcontainedadictionary.那包裹里装的是一本字典。include:包括;包含Thehealthclubincludesagym,mmingpool,andlockerroom.contain:包含,含有,装
4、有Thebowlcontainsavarietyoffruit.碗里装有各种水果。Thisbottlecontainstwoglassesofbeer.这个瓶子装了两杯啤洒。3.ordinary,common,usual,normal,general的辨析common常见的,如commonsense[键入文字][键入文字]usual经常的ordinary普通的,平常的normal正常的general一般的,普遍的4、dissolve,resolvedissolve1.(指液体)使(固体)溶解;[dissolve(insth)](指固体)溶解;[dissolvesth(insth)]使(固体)溶
5、解2.[dissolvesth(away)]除去,消除(某固体物质,尤指脏物)3.[dissolve(insth)]消失,消散4.(使某事物)终止,结束,解除,解散resolve1.(指委员会或集会)表决;作出决定;作出决议2. 解决(问题、疑问.、困难等)3. 分解,解析(某物)4. 使决意;使下决心5.astonished,astonishing,astonishment6.apparatus,apparentapparentadj.显然的,表面上的7.metal,model,medal金属,模范,奖牌8.Aboutexperiment:aim—apparatus(装备,仪器)—metho
6、d—result—conclusion9.Aboutapparatus:testtube,tongs,Busenburner,balance,crucible,testtubeholder,cottonwool,10.AboutMetal:Potassium(钾),Sodium(钠),Calcium(钙),Magnesium(镁),Aluminum(铝),Zinc,Iron,CopperStep2.重点短语Existas,amixtureof…and…,electricalequipment,reactwith,put…inorder,partialreaction,ironnail,oill
7、ayer,add…to,First-classscientist,beproudof,besupposedto,Step3.LanguagePoints1.倍数的表达法a.A+times+as+adj.+as+Bb.A+times+形容词比较级+than+Bc.A+times+thesize(length,width,height,depth)of+B长江大约是府南河的二十倍长。1._______