英语ⅰ外研版module5资料17

英语ⅰ外研版module5资料17Readthepassageasquicklyasyoucanandchoosethebesttitleforit.TheDifferentUsesofMetalsTheReactionofMetalsTheReactionofMetalswithOxygenPassageAReadthepassageagainandanswerthefollowingquestions:1.Whichofthemetalsinthetablereactsthemostwithoxygenandwater?potassium,calciumandsodium2.Whathappenswhenyouheatcalciuminoxygen?Itbeginstoformanoxide.3.Whichmetalsreactwithsteam?Magnesium,aluminiumandzinc4.Doesironhaveasloworfastreactionwithsteam?Ithasaslowreaction.5.Doescopperreactwithwater?No,itdoesn’t.Readthepassagecarefullyandfillthechartonpage45.Readthepassageagainandcompletethesentences.PassageB1.Inthefirstpartoftheexperiment,the__isdry,notwet.2.Itshowsthatiron___________whentheairisdry.3.Inthesecondpartoftheexperiment,youmust___thewatertomakesurethereisno__init.airdoesnotrustboilair4.Youadd_______tothewaterbecausethiskeeps__outofit.5.Itshowsthat___doesnotrustinwaterthathasno__init.someoilairnailairCompletethepassagewithproperwordsaccordingtopassageAandBItishardtothinkofaworldwithoutmetals.Differentmetalshavedifferentmetalshavedifferentuses,forexample,ironcanbeusedin________equipment.Butaboveallweshouldknowwhetheritelectricalwill____underdifferentconditionsotherwiseitwillkeeptheequipmentfromworkingwell.Asweallknow,ifironisheatedinoxygen,itwillreactslowlybutwillnotforman_____.

reactoxideOntheotherhand,ifitisputtogetherwithwateror_____,therewilla______reaction.Nextlet’sdoan__________tosupporttheabove.First,getatesttubefilldewithwaterandputitoverthe_____________to___forthreeminutes.steampartialexperimentbunsenburnerboilThenputthreeorfourcleannailsinthewaterwithsomeoiladdedtoitandleavethetubeforoneweek.Whathappens?Theirondoesnot____inair-freewater.Anotherexperiment,ifyouputthenailsinthetubewiththeairinitforoneweek,thenwhathappens?Ironrustsin_______water.

rustordinaryReadaboutanincidentduringachemistrylessonandchoosethebestsummary.ReadingonP93Astudentdidn’tfollowtheinstructionscarefully.Hetookthewrongliquidfromthecupboardandnearlypoisonedtheclass.2.Thechemistryteacherwasdemonstratinganexperimentwhensheheatedapoisonousliquid.Therewassomuchsmokethatthestudentshadtoleavetheroom.3.Astudentwasdoingachemistryexperimentwhenheaccidentallyheatedthewrongliquidandcausedanincidentinthelaboratory.Readthepassageagainandanswerthequestions:1.Whatsubstancesweretheyusing?Bakingsodaandhydrochloricacid2.Whatsubstanceswerethestudentsmaking?Salt3.Howcantheymakethereactionquicker?Bymakingthemixturehotter.4.WhatmistakesdidPaulmake?Heusedthewrongliquid.1.Whydidhemakethemistake?Becausetherewasnolabelonthebottle.2.WhathappenedwhenPaulheatedtheliquid?Itformedathickcloudofwhitegas.3.Whydidtheteachersendthestudentsoutoftheroom?Becausetheliquidwasacrylamideandthegaswaspoisonous.4.Whatlessondidtheincidentteachthestudentsandtheteacher?Nevertoleaveabottlewithoutalabelinthechemistrylad.Learnthenewwordsbyheart.ReadthepassageAandBandtrytoretellit.Assignmentsforyou(languagepoints)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。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.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TheweatherinwinterinBeijingismuchcolderthanthatinShanghai.Thisbookis50%percentmoreexpensivethanthatone.JohnisaheadtallerthanI.一个固定句型:the+比较级,the+比较级Themoreoftenyoustaywithhim,thebetteryouwillfindheis.Thefasterwewalk,themorelikelywewillbetocatchthebus.Themore,thebetter.Thesooner,thebetter.1.Thatdoesn’tsoundveryfrightening,Paul.I’veseen_______.Whatdidyoulikemostaboutthefilm?A.betterB.worseC.bestD.worstChoosethebest2.Thenumberofpeoplepresentattheconcertwas_______thanexpected.Thereweremanyticketsleft.A.muchsmallerB.muchmoreC.muchlargerD.manymore3.HespeaksEnglishwellindeed,but,ofcourse,not_____anativespeaker.A.asfluentasB.morefluentthanC.sofluentlyasD.muchfluentlythan4.ItisreportedthattheUnitedStatesuses___energyasthewholeofEurope.A.astwiceB.twicemuchC.twicemuchasD.twiceasmuch5.Marykeptweighingherselftoseehowmuch_____shewasgetting.A.heavierB.heavyC.theheavierD.theheavier6.Thehouserentisexpensive.I’vegotabouthalfthespaceIhadathomeandI’mpaying_____here.A.asthreetimesmuchB.asmuchthreetimesC.muchasthreetimesD.threetimesasmuch

7.Ourneighbourhas__________ours.A.asabighouseasB.asbigahouseasC.thesamebighouseasD.ahousethesamebigas8.AsfarasIamconcerned,educationisaboutlearningandthemoreyoulearn,_________.A.themoreforlifeareyouequippedB.themoreequippedforlifeyouareC.themorelifeyouareequippedforD.youareequippedthemorelife镜头再现Thereactionofmetalswiththesesubstancescanbeput

inorder.Inorder/in…order/intheorderof/outoforder1.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.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.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.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.3.1到