Module5AlessoninaLab课标要求概览：重点单词：liquidn.液体/expandvi.膨胀/contractvi.收缩/substancen.物质mixturen.混合物/oxygenn.氧气/electricityn.电/stagen.阶段；时期/conclusionn.结论/aimn.目标reactionn.反应/electricaladj.与电有关的；用电的/equipmentn.设备；装备reactvi.（化学）反应potassiumn.钾sodiumn.钠calciumn.钙magnesiumn.镁aluminiumn.铝zincn.锌partialadj.部分的coppern.铜oxiden.氧化物rustvi.生锈boilvt.沸腾ordinaryadj.普通的steamn.蒸汽floatvi.漂浮formvi.形成dissolvevi.溶解；分解balancen.天平cruciblen.坩埚tongsn.（复）夹子flamen.火焰facilityn.（常作复数）设备，工具lecturen.演讲departmentn.（大学的）科、系词汇拓展：1.part→partial(adj.)→partly(adv.)部分地2.astonishedadj.吃惊的→astonishment3.equipment→equip(vt.)装备4.mixture→mixed(adj.)混合的7.practice→practical(adj.)实用的5.lecture→lecturer(n.)演讲者6.electrical→electricity(n.)电→electrify(v.)电击重点短语：1.reactwith与……反应2.put…inorder把……归类3.do/makeanexperiment做实验4.atthebottomof在……的底部5.addto往……加入6.inturn轮流8.usedto过去常常7.followone’sinstructions听众某人的指导9.beproudof因…而自豪10.besupposedto理应，应该要点归纳：1.“Whenyouheatametal,itexpands.Whenyoucoolametal,itcontracts.”◢expandv.“扩大，使……变大，扩张，阐述，（指人）变得热情或愿意交谈”eg.Metalsexpandwhentheyareheated.Ourforeigntradehasexpandedgreatlyinrecentyears.Thepetalsoftheflowersexpandedinthesunshine.花瓣在阳光下张开了。Theguestsexpandedalittlewhenthey’dhadaglassortwoofwine.客人们喝了一两杯洒以后就有说有笑了。Youmentionedtheneedforextrafunding.Wouldyouexpandonthat?你提到需要一笔额外资金，详细谈谈好吗？◢contractv.“缩小，缩短，紧缩，收缩”eg.“Iwill”canbecontractsto“I’ll”.Thetunnelcontractstoanarrowpassagewayasyougodeeper.→n.“合同，合约”eg.Wehaveacontractwiththegovernmentforthesupplyofvehicles.2.“Steelisamixtureofironandothersubstances.”◢mixturen.“混合，混合物”→（v.）mix，“混合，相处，交往”eg.Thechemistmixedsomemedicineforme.Oilwon’tmixwithwater.Don’ttrytomixbusinesswithpleasure.不要把娱乐和正事混在一起。Ioftenmixwithallsortsofpeopleinmyjob.有关mix的短语：bemixedupinsth.与……有牵连be/getmixedupwithsb.与某人来往mixsb.upabout/oversth.把某人弄糊涂mixsb./sth.upwithsb./sth.混淆；分辨不出（两人或两事物）3.conclusionn.结论，决定，协定，协议有关短语：reach/cometo/drawaconclusion得出结论inconclusion最后，作为结束eg.Inconclusion,I’dliketosayhowmuchI’veenjoyedstayinghere.v.→conclude断定，推断出，结束4.aimv.“把……对准，瞄准”，后跟介词at或for或接不定式表示“旨在，致力于，目的在于”eg.WhatIsaidwerenotaimedatyou.5.“Whenweusemetals,itisimportanttoknowhowtheyreactwithdifferentsubstances”◢reactvi.1)作出反应，(与to连用)eg.Howdidhereacttoyoursuggestion?2)反对，反抗(与against连用)eg.Willthepeopleeverreactagainstthedictator?3)（指物质）起化学反应(与with连用)eg.Ironreactswithwaterandairtoproducerust.6.ordinaryadj.平常的，通常的，普通的Cf.ordinary/common/usual/normal1)ordinary普遍的，平常的，平凡的。强调等级和类属方面普通。指人时，该词指既不显赫也不低贱；指物时指品质或质地水平一般。有“平庸无奇”之意。eg.Hisabilitieswerehardlyabovetheordinary.2)common普通的；常见的。强调经常发生，司空见惯，不显赫或不特别，可修饰人或物。也可指共同的，共存的。eg.Thetwohavenothingincommon.3)usual通常的，惯常的，惯例的。强调依照惯例来判断，有“遵循常规”之意。eg.Hemadetheusualmistakeswhichallbeginnersmake.4)normal正常的，合乎标准的，强调...
