英语3人版新课件unit4导学案(4)-语法.doc

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1、英语3人版新课件unit4导学案（4）-语法Unit4Astronomy:thescienceofthestarsPeriod4grammarTeachinggoals1Targetlanguagea重点词汇和短语suffer,settle,realize,worryabout,havegotto,tieupb重点句子：Hewasverydisappointed.Whatitwastobecomewasamystery.Tosavemoney,youmustuseasfewwordsaspossible.c.Practisetalkingaboutproblems

2、instudyorlifeMyproblemis…Thedifficultyis…Mytroubleis…Thequestionis…Myadviceis…WhatIthinkaboutitis…Thefactis…Mysuggestionis…TeachingimportantpointstheuseofNounClausesasthesubjectStep1Revision1.Checkretellingofthepassage.2.Theexplosionoftheearthproducedwatervapor,whichturnedintowaterwhe

3、ntheearthcooleddown.Waterallowedtheearthtodissolveharmfulgasesintotheoceansandseas.Thatmadeitpossibleforlifetobegintodevelop.Thearrivalofsmallplantsencouragedthedevelopmentofearlyshellfishandallsortsoffish.Manymillionsofyearslaterthefirstgreenplantsbegantoappearonland.Laterlandanimals

4、appeared.Somewereinsects.Others,calledamphibians,wereabletoliveonlandaswellasinthesea.Whentheplantsgrewintoforests,reptilesappearedforthefirsttime.Later,dinosaursdeveloped.Theybecamethemostimportantanimalsontheearthformillionsofyears.Aftertheydisappeared,mammalsbecamemoreimportant.The

5、ywerethelastgroupofanimalsandtheyweredifferentbecausetheyproducedtheiryoungfromwithintheirbodies.Smallcleveranimals,withhandsandfeet,appearedandspreadallovertheearth.Astimewentby,theycoveredtheearthandhavebecomethemostimportantanimalsontheplanet.1.Translatethefollowingsentences.1.你迟早会

6、成功旳.___________________________________2.我旳车与你旳不一样.___________________________________3.站在门旁边旳那个人是谁？___________________________________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.___________________________________Step2PreparationShowsomeexamplesentencesonthe

7、screen.1Atreehasfallenacrosstheroad.2Youareastudent.3Tofindyourwaycanbeaproblem.4Smokingisbadforyou.5“Howdoyoudo?”isagreeting.6Whatshesaidisnotyetknown.7Thatweshallbelateiscertain.8It’scertainthatweshallbelate.Whatpartdoestheunderlinedpartserveasineachsentence?Orfinditssubjectineachse

8、ntenc