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1、BOOKIPeriodⅠModule5ALessoninaLabOct一、Introduction.1.Wordsaboutgeneralscience.Translatethefollowing:1.大众科学2.固体3.液体4.气体5.存在6.加热7.膨胀8.收缩9.金属10.钢11.铁12.混合物13.物质14.氧气15.表面16.自然的,天然的17.人造的2.DoEx.1,2,3,(P41)二、VocabularyandSpeaking.Languagestudy1.(1)十二（一打）(2)二十(3)百(4)千(5)百万(6)十亿(7)dozensof(8)sco
2、resof(9)hundredsof(10)thousandsof(11)millionsof2.分数：1/34/5aquarter3/4口诀：“分子基数词，分母序数词。分子大于1，分母加s”三、ReadingandVocabularyReadingcomprehensionⅠ.ListentopassageAandfillintheblanks.Itishardtoaworldwithoutmetals.Differentmetalshavedifferentuses,,steelisusedincars,andironelectricalequipment.When
3、weusemetals,itisimportanttoknowhowtheywithdifferent,forexample,waterandoxygen.TheofmetalscanbeHereisatablewithmetalsthatreactmost,andthemetalsthatreactleast.Ⅱ.ReadpassageBandfillintheblanks1.PassageBshowsus2.ThefirstpartofpassageBmainlytellsus3.Thetextdescribesthereactionofironin,and.4.I
4、ntheexperiment,cottonwoolisusedtoandoilisusedto.5.pleasewritedownthethreeconclusionsoftheexperiment(1)(2)(3)Ⅲ.ReadthepassageA&Bcarefullyandanswerthefollowingquestion.1.WhichisthebesttitleforthepassageA?A.TheDifferentusesofMetalsB.TheReactionofMetalsC.TheReactionofMetalswithWaterD.TheReac
5、tionofMetalswithOxygen2.AccordingtoPassageA,weknowthatisoftenusedincars,andisoftenusedinelectricalequipment.A.steel,copperB.iron,zincC.steel,ironD.iron,copper3.Whichmetaldoesn’treactwithwater?A.SodiumB.IronC.CopperD.Potassium4.Whichmetalreactswithsteam?A.CalciumB.ZincC.CopperD.Sodium5.If
6、youputashovel(铁锨)inadampplace,itwillthere.A.rustB.formanoxideC.notrustD.keeptheplacedry6.Ironrustsin.A.dryairB.air-freewaterC.ordinaryairD.ordinarywater7.AccordingtoPassageB,weknowthatthe“air-freewater”probablymeans.A.airwithalotofwaterB.airwithoutwaterC.waterwithplentyofairD.waterwithou
7、tair参考答案：一、1.generalscience2.solid3.liquid4.air5.exist6.heat7.expand8.contract9.metal10.steel11.iron12.mixture13.substance14.oxygen15.surface16.natural17.man-made二、1.dozen2.score3.hundred4.thousand5.million6.billion7.许多，大量的8.许多9.成百上千10.成千上万的11.百万计的Ⅱ.分数：onethirdforfifths1/
