英語(yǔ)ⅰ外研版module5資料17

英語(yǔ)ⅰ外研版module5資料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)鏡頭再現(xiàn)Theearthis

forty-ninetimeslargerthan

themoon.Themore

booksIread,themore

informationIlearn.上面兩個(gè)句子中重點(diǎn)強(qiáng)調(diào)的是比較級(jí)。這一語(yǔ)法現(xiàn)象我們?cè)诔踔幸褜W(xué)過,現(xiàn)在我們對(duì)這一語(yǔ)法進(jìn)行總結(jié)。三種比較句型的轉(zhuǎn)換：1)A+be+fourtimes+比較級(jí)＋than+B2)A+be+fourtimes+as+adj/adv+as+B3)A+be+fourtimes+the+NofBThewellisfourtimesdeeperthanthatone.=Thewellisfourtimesasdeepasthatone.=Thewellisfourtimesthedepthofthatone.哪一些詞可以來修飾比較級(jí)？1)much/rather/abit/alittle/alot/agreatdeal/any/…2)倍數(shù)、分?jǐn)?shù)、百分?jǐn)?shù)、小數(shù)3)一些名詞TheweatherinwinterinBeijingismuchcolderthanthatinShanghai.Thisbookis50%percentmoreexpensivethanthatone.JohnisaheadtallerthanI.一個(gè)固定句型:the+比較級(jí),the+比較級(jí)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鏡頭再現(xiàn)Thereactionofmetalswiththesesubstancescanbeput

inorder.Inorder/in…order/intheorderof/outoforder1.在圖書館，圖書通常是按作者姓氏的第一個(gè)字母順序排列的。

Inthelibrary,booksareusuallyputintheorderofthefirstletterofthewriters’surname.2.他桌子上的書擺放整齊有序。

Thebooksonhisdeskareinorder(orderly).將下列句子翻譯成英語(yǔ)3.請(qǐng)按照正確的順序?qū)⑾铝袉卧~排列。

Pleaseputthefollowingwordsinthecorrectorder.4.我們這次是按照年齡順序而不是按照身高站隊(duì)。

Thistimewestoodinlineintheorderofageinsteadofintheorderofheight.鏡頭再現(xiàn)Half-fill

atesttube

with

water.fill…with=befullof將下列句子翻譯成英語(yǔ)1.請(qǐng)將這個(gè)瓶子裝滿水。

Pleasefillthebottlewithwater.2.聽到母親的話,他頓時(shí)充滿了自信。

Hearingmother’swords,hewasfilledwithconfidenceimmediately.3.他滿腦子都是知識(shí),但他不是一個(gè)書呆子。

Hisbrainisfilledwithknowledgebutheisnotabookworm.4.看到這個(gè)恐怖電影,這個(gè)女孩心中充滿了恐懼。

Seeingsuchafrighteningfilm,thegirlwasfilledwithhorror.鏡頭再現(xiàn)Add

someoil

to

thewater.add…to…/addto…/add…up/addupto1.毫無疑問這是火上澆油。

Thereisnodoubtthatitislikeaddingoiltothefire.2.這些新建的公園增添了這個(gè)城市的美麗。

Thesenewly-builtgardensaddtothebeautyofthecity.3.1到