外研版英语必修1-module5-reading课件-(共53张)

外研版英语必修1-module5-reading课件-(共53张)第一页，共54页。Module5AlessoninalabModule5Alessoninalab第二页，共54页。ReadingandVocabulary第三页，共54页。Lookatthepictures.Doyouknowthenamesoftheequipment？testtubetongsbalancecrucibleBunsenburner第四页，共54页。potassium

（钾）Let’sgettoknowsomemetals?第五页，共54页。sodium(钠)calcium(钙)magnesium(镁)第六页，共54页。aluminum（铝）zinc（锌）iron（铁）

copper（铜）第七页，共54页。Doyouknowhowwecancarryoutanexperimentsuccessfully?第八页，共54页。Whatisthecorrectordertodescribethestagesofascientificexperiment?aimmethodresultconclusion第九页，共54页。PassageAelectricaladj.用电的，与电有关的electricityn.电equipmentn.设备，装备reactvi.（化学）反应reactionn.反应oxiden.氧化物steamn.蒸汽，水气第十页，共54页。Readthepassageasquicklyasyoucanandchoosethebesttitleforit.TheDifferentUsesofMetalsTheReactionofMetalsTheReactionofMetalswithOxygenPassageA第十一页，共54页。Readthepassageagainandanswerthefollowingquestions:1.Whichofthemetalsinthetablereactsthemostwithoxygenandwater?potassium,calciumandsodium2.Whathappenswhenyouheatcalciuminoxygen?Itbeginstoformanoxide.第十二页，共54页。3.Whichmetalsreactwithsteam?Magnesium,aluminiumandzinc4.Doesironhaveasloworfastreactionwithsteam?Ithasaslowreaction.5.Doescopperreactwithwater?No,itdoesn’t.第十三页，共54页。Readthepassagecarefullyandfillthechartonpage45.Readthepassageagainandcompletethesentences.PassageB第十四页，共54页。PassageBWhat’shappeningtothenailinthepictures?Pre-reading:第十五页，共54页。Readthepassageandcompletethetable.cottonwoolnailsIrondoesnotrust.waterIrondoesnotrust.waterwaterIronrusts.第十六页，共54页。1.Inthefirstpartoftheexperiment,the__isdry,notwet.2.Itshowsthatiron___________whentheairisdry.3.Inthesecondpartoftheexperiment,youmust___thewatertomakesurethereisno__init.airdoesnotrustboilair第十七页，共54页。4.Youadd_______tothewaterbecausethiskeeps__outofit.5.Itshowsthat___doesnotrustinwaterthathasno__init.someoilairnailair第十八页，共54页。CompletethepassagewithproperwordsaccordingtopassageAandBItishardtothinkofaworldwithoutmetals.Differentmetalshavedifferentmetalshavedifferentuses,forexample,ironcanbeusedin________equipment.Butaboveallweshouldknowwhetheritelectrical第十九页，共54页。will____underdifferentconditionsotherwiseitwillkeeptheequipmentfromworkingwell.Asweallknow,ifironisheatedinoxygen,itwillreactslowlybutwillnotforman_____.

reactoxide第二十页，共54页。Ontheotherhand,ifitisputtogetherwithwateror_____,therewilla______reaction.Nextlet’sdoan__________tosupporttheabove.First,getatesttubefilledwithwaterandputitoverthe_____________to___forthreeminutes.steampartialexperimentbunsenburnerboil第二十一页，共54页。Thenputthreeorfourcleannailsinthewaterwithsomeoiladdedtoitandleavethetubeforoneweek.Whathappens?Theirondoesnot____inair-freewater.Anotherexperiment,ifyouputthenailsinthetubewiththeairinitforoneweek,thenwhathappens?Ironrustsin_______water.

rustordinary第二十二页，共54页。Readaboutanincidentduringachemistrylessonandchoosethebestsummary.ReadingonP93第二十三页，共54页。Astudentdidn’tfollowtheinstructionscarefully.Hetookthewrongliquidfromthecupboardandnearlypoisonedtheclass.2.Thechemistryteacherwasdemonstratinganexperimentwhensheheatedapoisonousliquid.Therewassomuchsmokethatthestudentshadtoleavetheroom.第二十四页，共54页。3.Astudentwasdoingachemistryexperimentwhenheaccidentallyheatedthewrongliquidandcausedanincidentinthelaboratory.第二十五页，共54页。Readthepassageagainandanswerthequestions:1.Whatsubstancesweretheyusing?Bakingsodaandhydrochloricacid2.Whatsubstanceswerethestudentsmaking?Salt第二十六页，共54页。3.Howcantheymakethereactionquicker?Bymakingthemixturehotter.4.WhatmistakesdidPaulmake?Heusedthewrongliquid.第二十七页，共54页。1.Whydidhemakethemistake?Becausetherewasnolabelonthebottle.2.WhathappenedwhenPaulheatedtheliquid?Itformedathickcloudofwhitegas.第二十八页，共54页。3.Whydidtheteachersendthestudentsoutoftheroom?Becausetheliquidwasacrylamideandthegaswaspoisonous.4.Whatlessondidtheincidentteachthestudentsandtheteacher?Nevertoleaveabottlewithoutalabelinthechemistrylad.第二十九页，共54页。Learnthenewwordsbyheart.ReadthepassageAandBandtrytoretellit.Assignmentsforyou第三十页，共54页。(languagepoints)第三十一页，共54页。镜头再现Theearthis

forty-ninetimeslargerthan

themoon.Themore

booksIread,themore

informationIlearn.上面两个句子中重点强调的是比较级。这一语法现象我们在初中已学过,现在我们对这一语法进行总结。第三十二页，共54页。三种比较句型的转换：1)A+be+fourtimes+比较级＋than+B2)A+be+fourtimes+as+adj/adv+as+B3)A+be+fourtimes+the+NofBThewellisfourtimesdeeperthanthatone.=Thewellisfourtimesasdeepasthatone.=Thewellisfourtimesthedepthofthatone.第三十三页，共54页。哪一些词可以来修饰比较级？1)much/rather/abit/alittle/alot/agreatdeal/any/…2)倍数、分数、百分数、小数3)一些名词第三十四页，共54页。TheweatherinwinterinBeijingismuchcolderthanthatinShanghai.Thisbookis50%percentmoreexpensivethanthatone.JohnisaheadtallerthanI.第三十五页，共54页。一个固定句型:the+比较级,the+比较级Themoreoftenyoustaywithhim,thebetteryouwillfindheis.Thefasterwewalk,themorelikelywewillbetocatchthebus.Themore,thebetter.Thesooner,thebetter.第三十六页，共54页。1.Thatdoesn’tsoundveryfrightening,Paul.I’veseen_______.Whatdidyoulikemostaboutthefilm?A.betterB.worseC.bestD.worstChoosethebest第三十七页，共54页。2.Thenumberofpeoplepresentattheconcertwas_______thanexpected.Thereweremanyticketsleft.A.muchsmallerB.muchmoreC.muchlargerD.manymore第三十八页，共54页。3.HespeaksEnglishwellindeed,but,ofcourse,not_____anativespeaker.A.asfluentasB.morefluentthanC.sofluentlyasD.muchfluentlythan4.ItisreportedthattheUnitedStatesuses___energyasthewholeofEurope.A.astwiceB.twicemuchC.twicemuchasD.twiceasmuch第三十九页，共54页。5.Marykeptweighingherselftoseehowmuch_____shewasgetting.A.heavierB.heavyC.theheavierD.theheavier第四十页，共54页。6.Thehouserentisexpensive.I’vegotabouthalfthespaceIhadathomeandI’mpaying_____here.A.asthreetimesmuchB.asmuchthreetimesC.muchasthreetimesD.threetimesasmuch第四十一页，共54页。7.Ourneighbourhas__________ours.A.asabighouseasB.asbigahouseasC.thesamebighouseasD.ahousethesamebigas第四十二页，共54页。8.AsfarasIamconcerned,educationisaboutlearningandthemoreyoulearn,_________.A.themoreforlifeareyouequippedB.themoreequippedforlifeyouareC.themorelifeyouareequippedforD.youareequippedthemorelife第四十三页，共54页。镜头再现Thereactionofmetalswiththesesubstancescanbeput

inorder.Inorder/in…order/intheorderof/outoforder第四十四页，共54页。1.在图书馆，图书通常是按作者姓氏的第一个字母顺序排列的。

Inthelibrary,booksareusuallyputintheorderofthefirstletterofthewriters’surname.2.他桌子上的书摆放整齐有序。

Thebooksonhisdeskareinorder(orderly).将下列句子翻译成英语第四十五页，共54页。3.请按照正确的顺序将下列单词排列。

Pleaseputthefollowingwordsinthecorrectorder.4.我们这次是按照年龄顺序而不是按照身高站队。

Thistimewestoodinlineintheorderofageinsteadofintheorderofheight.第四十六页，共54页。镜头再现Half-fill

atesttube

with

water.fill…with=befullof将下列句子翻译成英语1.请将这个瓶子装满水。

Pleasefillthebottlewithwater.2.听到母亲的话,他顿时充满了自信。

Hearingmother’swords,hewasfilledwithconfidenceimmediately.第四十七页，共54页。3.他满脑子都是知识,但他不是一个书呆子。

Hisbrainisfilledwithknowledgebutheisnotabookworm.4.看到这个恐怖电影,这个女孩心中充满了恐惧。

Seeingsuchafrighteningfilm,thegirlwasfilledwithhorror.第四十八页，共54页。镜头再现Add

someoil

to

thewater.add…to…/addto…/add…up/addupto1.毫无疑问这是火上浇油。

Thereisnodoubtthatitislikeaddingoiltothefire.2.这些新建的公园增添了这个城市的美丽。

Thesenewly-builtgardensaddtothebeautyofthecity.第四十九页，共54页。3.1到100加起来总计是5050。

1,2,3….and100addsupto5050.4.把这些数字加起来然