资源描述：
《外研高一一册Module_5_Introduction_and_reading课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、Module5ALessoninaLab外研版高中英语第一册WarmingupbylearningvocabularyWordsandExpressionsliquidexpandcontractsubstancemixtureoxygenelectricitystagen.液体vi.膨胀vi.收缩n.物质n.混合物n.氧气n.电n.阶段，时期WordsandExpressionsconclusionaimreactionelectricalequipmentpartialoxiderustn.结论n.目标，目的n.反应adj.与电有关的，用电的n
2、.设备，装备adj.部分的，局部的n.氧化物vi.生锈WordsandExpressionsboilordinarysteamfloatformdissolvebalanceflamevt.煮，煮沸adj.普通的，平常的n.蒸汽，水气vi.漂浮vi.形成vi.溶解，分解，分离n.天平n.火焰WordsandExpressionsfacilitylecturedepartmentastonishedcalciummagnesiumzinccoppern.（常作复数）设备，工具n.演讲n.（大学的）科、系adj.吃惊的，惊愕的n.钙n.镁n.锌n.铜P
3、utthesewordsintothreegroups:airglassironmetaloiloxygensaltsteamsteelwater1.Gas:2.Solid:3.Liquid:SteamairoxygensteamGlassironmetalsaltsteelOilwaterGivethefollowingthingstheircorrectnames1.Crucible2.Beaker3.Bunsenburner4.Tube5.Tongs6.Nail7.Glassrod坩埚烧杯酒精灯试管小钳子钉子玻璃棒Fastreading:Re
4、adPassageAandchoosethebesttitleforit.A.TheDifferentUsesofMetalsB.TheReactionofMetalsC.TheReactionofMetalswithOxygenCarefulreadingItishardtothinkofaworldwithoutmetals.Differentmetalshavedifferentuses,forexample,steelisusedincars,andironisusedinelectricalequipment.Arepeatversion
5、tothetextWhenweusemetals,itisimportanttoknowhowtheyreactwithdifferentsubstances,forexample,waterandoxygen.Thereactionofmetalswiththesesubstancescanbeputinorder.Hereisatablewiththemetalsthatreactmostatthetop,andmetalsthatreactleastatthebottom.Readthefollowingnumbersout2,000,000
6、(twomillion)5,100,000(fivemillion,onehundredthousand)12,269,000(twelvemillion,twohundredandthirty-ninethousandPractice:52,470,383100,000,000365,528,4621,000,000,000Readthesefractions:1/4(aquarter)1/3(athird)4/5(four-fifths)1/10(onetenth)3/4(threequarters)1/2(ahalf)2/3(two-thir
7、ds)5/8(five-eighths)9/10(nine-tenths)Practice:Readthefollowingout:1.1/2of6,000,0002.35,246,000plus12,800,0003.25%of200,000,000(threemillion)(fortyeightmillion,sixtythousand)(fiftymillion)4.260,408,396plus5,284,7005.10%of800,000,000(twohundredandsixtyfivemillion,sixhundredandni
8、nety-threethousand,ninety-six)(eightymillion)Readoutthedecima
