英语必修1-module5-a-lesson-in-a-lab-readingppt课件.ppt

Module5Alessoninalab Module5Alessoninalab 1 Readthepassageasquicklyasyoucanandchoosethebesttitleforit TheDifferentUsesofMetalsTheReactionofMetalsTheReactionofMetalswithOxygen PassageA 2 Readthepassageagainandanswerthefollowingquestions 1 Whichofthemetalsinthetablereactsthemostwithoxygenandwater potassium calciumandsodium2 Whathappenswhenyouheatcalciuminoxygen Itbeginstoformanoxide 3 3 Whichmetalsreactwithsteam Magnesium aluminiumandzinc4 Doesironhaveasloworfastreactionwithsteam Ithasaslowreaction 5 Doescopperreactwithwater No itdoesn t 4 Readthepassagecarefullyandfillthechartonpage45 Readthepassageagainandcompletethesentences PassageB 5 1 Inthefirstpartoftheexperiment the isdry notwet 2 Itshowsthatiron whentheairisdry 3 Inthesecondpartoftheexperiment youmust thewatertomakesurethereisno init air doesnotrust boil air 6 4 Youadd tothewaterbecausethiskeeps outofit 5 Itshowsthat doesnotrustinwaterthathasno init someoil air nail air 7 CompletethepassagewithproperwordsaccordingtopassageAandB Itishardtothinkofaworldwithoutmetals Differentmetalshavedifferentmetalshavedifferentuses forexample ironcanbeusedin equipment Butaboveallweshouldknowwhetherit electrical 8 will underdifferentconditionsotherwiseitwillkeeptheequipmentfromworkingwell Asweallknow ifironisheatedinoxygen itwillreactslowlybutwillnotforman react oxide 9 Ontheotherhand ifitisputtogetherwithwateror therewilla reaction Nextlet sdoan tosupporttheabove First getatesttubefilldewithwaterandputitoverthe to forthreeminutes steam partial experiment bunsenburner boil 10 Thenputthreeorfourcleannailsinthewaterwithsomeoiladdedtoitandleavethetubeforoneweek Whathappens Theirondoesnot inair freewater Anotherexperiment ifyouputthenailsinthetubewiththeairinitforoneweek thenwhathappens Ironrustsin water rust ordinary 11 Readaboutanincidentduringachemistrylessonandchoosethebestsummary ReadingonP93 12 Astudentdidn tfollowtheinstructionscarefully Hetookthewrongliquidfromthecupboardandnearlypoisonedtheclass 2 Thechemistryteacherwasdemonstratinganexperimentwhensheheatedapoisonousliquid Therewassomuchsmokethatthestudentshadtoleavetheroom 13 3 Astudentwasdoingachemistryexperimentwhenheaccidentallyheatedthewrongliquidandcausedanincidentinthelaboratory 14 Readthepassageagainandanswerthequestions 1 Whatsubstancesweretheyusing Bakingsodaandhydrochloricacid2 Whatsubstanceswerethestudentsmaking Salt 15 3 Howcantheymakethereactionquicker Bymakingthemixturehotter 4 WhatmistakesdidPaulmake Heusedthewrongliquid 16 1 Whydidhemakethemistake Becausetherewasnolabelonthebottle 2 WhathappenedwhenPaulheatedtheliquid Itformedathickcloudofwhitegas 17 3 Whydidtheteachersendthestudentsoutoftheroom Becausetheliquidwasacrylamideandthegaswaspoisonous 4 Whatlessondidtheincidentteachthestudentsandtheteacher Nevertoleaveabottlewithoutalabelinthechemistrylad 18 Learnthenewwordsbyheart ReadthepassageAandBandtrytoretellit Assignmentsforyou 19 languagepoints 20 镜头再现 Theearthisforty ninetimeslargerthanthemoon ThemorebooksIread themoreinformationIlearn 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 21 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 NofB Thewellisfourtimesdeeperthanthatone Thewellisfourtimesasdeepasthatone Thewellisfourtimesthedepthofthatone 22 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 23 TheweatherinwinterinBeijingismuchcolderthanthatinShanghai Thisbookis50 percentmoreexpensivethanthatone JohnisaheadtallerthanI 24 一个固定句型 the 比较级 the 比较级 Themoreoftenyoustaywithhim thebetteryouwillfindheis Thefasterwewalk themorelikelywewillbetocatchthebus Themore thebetter Thesooner thebetter 25 1 Thatdoesn tsoundveryfrightening Paul I veseen Whatdidyoulikemostaboutthefilm A betterB worseC bestD worst Choosethebest 26 2 Thenumberofpeoplepresentattheconcertwas thanexpected Thereweremanyticketsleft A muchsmallerB muchmoreC muchlargerD manymore 27 3 HespeaksEnglishwellindeed but ofcourse not anativespeaker A asfluentasB morefluentthanC sofluentlyasD muchfluentlythan4 ItisreportedthattheUnitedStatesuses energyasthewholeofEurope A astwiceB twicemuchC twicemuchasD twiceasmuch 28 5 Marykeptweighingherselftoseehowmuch shewasgetting A heavierB heavyC theheavierD theheavier 29 6 Thehouserentisexpensive I vegotabouthalfthespaceIhadathomeandI mpaying here A asthreetimesmuchB asmuchthreetimesC muchasthreetimesD threetimesasmuch 30 7 Ourneighbourhas ours A asabighouseasB asbigahouseasC thesamebighouseasD ahousethesamebigas 31 8 AsfarasIamconcerned educationisaboutlearningandthemoreyoulearn A themoreforlifeareyouequippedB themoreequippedforlifeyouareC themorelifeyouareequippedforD youareequippedthemorelife 32 镜头再现 Thereactionofmetalswiththesesubstancescanbeputinorder Inorder in order intheorderof outoforder 33 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 34 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 35 镜头再现 Half fillatesttubewithwater 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 36 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 37 镜头再现 Addsomeoiltothewater 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 38 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后告诉我结果 Addallthesenumbersupandtellmetheresult 5 8 5is13 A addtoB addeduptoC