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时间:2018-12-02
《英语:Unit4 《Astronomythe science of the Stars》学案导学-语法(新人教必修3).doc》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、Unit4Astronomy:thescienceofthestarsPeriod4grammarTeachinggoals1Targetlanguagea重点词汇和短语suffer,settle,realize,worryabout,havegotto,tieupb重点句子:Hewasverydisappointed.Whatitwastobecomewasamystery.Tosavemoney,youmustuseasfewwordsaspossible.c.Practisetalkingaboutproblemsinstudyorlif
2、eMyproblemis…Thedifficultyis…Mytroubleis…Thequestionis…Myadviceis…WhatIthinkaboutitis…Thefactis…Mysuggestionis…TeachingimportantpointstheuseofNounClausesasthesubjectStep1Revision1.Checkretellingofthepassage.Theexplosionoftheearthproducedwatervapor,whichturnedintowaterwhenthe
3、earthcooleddown.Waterallowedtheearthtodissolveharmfulgasesintotheoceansandseas.Thatmadeitpossibleforlifetobegintodevelop.Thearrivalofsmallplantsencouragedthedevelopmentofearlyshellfishandallsortsoffish.Manymillionsofyearslaterthefirstgreenplantsbegantoappearonland.Laterlanda
4、nimalsappeared.Somewereinsects.Others,calledamphibians,wereabletoliveonlandaswellasinthesea.Whentheplantsgrewintoforests,reptilesappearedforthefirsttime.Later,dinosaursdeveloped.Theybecamethemostimportantanimalsontheearthformillionsofyears.Aftertheydisappeared,mammalsbecamem
5、oreimportant.Theywerethelastgroupofanimalsandtheyweredifferentbecausetheyproducedtheiryoungfromwithintheirbodies.Smallcleveranimals,withhandsandfeet,appearedandspreadallovertheearth.Astimewentby,theycoveredtheearthandhavebecomethemostimportantanimalsontheplanet.1.Translateth
6、efollowingsentences.1.你迟早会成功的。___________________________________2.我的车与你的不一样。___________________________________3.站在门旁边的那个人是谁?___________________________________4.他总是第一个来,最后一个离开。___________________________________5.既然你已经长大了,你自己决定吧。___________________________________Step2Prep
7、arationShowsomeexamplesentencesonthescreen.1Atreehasfallenacrosstheroad.2Youareastudent.3Tofindyourwaycanbeaproblem.4Smokingisbadforyou.5“Howdoyoudo?”isagreeting.6Whatshesaidisnotyetknown.7Thatweshallbelateiscertain.8It’scertainthatweshallbelate.Whatpartdoestheunderlinedpart
8、serveasineachsentence?Orfinditssubjectineachsentence.Step3Grammar定义:用作主语的从句
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