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2019-2020年高中英语Unit4Astronomythescienceofthestars导学案1新人教版必修3【学习目标】
1.Throughseriesofactivitiesthestudentswillbeableto
1.speakouttheChinese1meaningsofthewordsphrasesandpronouncethemcorrectly.
2.usethewordsphrasescorrectly【教学重点】Enablethestudentstograsptheusagesofsuchimportantnewwordsandexpressionsasvoilentunlikefundamentaldissolvemultiplyexistpreventintimelayeggsgivebirthtoblockoutandsoon.【教学难点】Howtoenablethestudentstograsptheusagesofkeywordsandunderstandsomedifficultandlongsentences.【知识链接】名词性从句——宾语从句、表语从句;非限定定语从句【自主预习】WordsvoilentunlikefundamentaldissolvemultiplyexistpreventExpressionsintimelayeggsgivebirthtoblockoutcheerupPatterns
1.Itexplodedloudlywithfireandrockwhichwereintimetoproducethewatervaporcarbondioxideoxygennitrogenandothergaseswhichweretomaketheearth’satmosphere.
2.Nobodyknewthatitwasgoingtobedifferentfromotherplanetsgoingroundthesun.
3.Itallowedtheearthtodissolveharmfulgaseswhichhadbeepartoftheearth’satmosphereintotheoceansandseas.
4.Thisencouragedthedevelopmentofearlyshellfishandallsortsoffish.
5.Theyproducedyounggenerallybylayingeggs.【自学检测】Readthetextcarefullyandfillintheblanks:Theearthwasjustacloudof____afterthe“BigBang”.Theearth______loudlywithfireandrock.Theywerein_____toproducemanythingswhichweretomaketheearth’satmosphere.Astheearthcooleddownwaterbegantoappearonitssurface.Itallowedtheearthtodissolve______gases.Thenlifebegantodevelop.Thefirstsmallplants______andfilledtheoceansandseaswithoxygen.Thisencouragedthe_______ofearlyshellfishandfish.Landanimalssuchasinsectsreptilesanddinosaursandsononappearedaftergreenplantsappeared.Smallcleveranimals__allovertheearth.Theyareputtingtoo___carbondioxideintotheatmospherewhich___heatfromtheearthintospace.Whetherlifewillcontinueontheearthformillionsofyearstoewill_____onwhetherthisproblemcanbesolved.【预习疑问】【课堂探究】Task1Readthetextaloudandthenuseownwordstoretellit.Task2Thefollowingaresomeimportantwordsandphrases.Trytobeclearabouttheirmeaningsandreadthemcorrectly.Permit;account;stare;patiencevoilentunlikefundamentaldissolvemultiplyexistpreventintimelayeggsgivebirthtoblockoutcheerupTask3Doexercises.单项填空
1.Ourneighborhas_____ours.A.asabighouseasB.asbigahouseasC.soabighouseasD.sobigabighouseas
2.Duringthewarlotsoffamilies______andalargenumberofpeoplebecamehomeless.A.brokeupB.brokeawayC.brokeoffD.brokeout
3.Wecheered_____afterweheardthatTinagavebirth____abeautifulgirl.A.up;onB.up;toC.on;toD.on;on
4.Thisroomis______thatone.A.threetimesasbigasB.threetimesbigthanC.threetimesbiggerD.biggerthreetimesthan
5.ThisisthebestwayIcouldthinkof___intothedangerousareas.A.tostoppeoplegettingB.stoppeoplegettingC.tokeeppeoplegettingD.preventingpeoplegetting
6._______theChineseteamget51goldmedalsinthe29thOlympic____allChinesepeople.A.What;excitedB.That;excitingC.What;excitingD.That;excited.选词填空layeggsgivebirthtobreakoutintimepreventfromcheerupnowthatbreakoutwatchoutblockoutgetthehangof
1.Thecarcametoastopjust______topreventanaccident.
2.Thehensdon’t______duringthiscoldweather.
3.Iamhappytoinformyouthatmywife___sonat4:00thismorning.Bothwifeandsonarehealthy.
4.Aseriousillnesshas____her____workingforayear.
5._______!Thingsarenotsobadastheyseem.
6.______IamfreeIcanenjoymusicforawhile.
7.________!There’sacaring.
8.whendidthewar_______
9.Thehighbuilding_______thesunlightofmyroom.
10.Ittakesawhilebeforeyou______water-skiing.用括号中所给单词或短语的适当形式翻译下列句子
1.结果,他们拯救了这片森林里90%的树木
2.移动电话使得我们不论在何处都能与他人交谈makeitpossibleforsb.todosth.
3.新鲜空气对于身体健康必不可少befundamentalto...
4.请你告诉我怎样防止这种事情发生好吗?prevent...from...
5.新鲜空气对于身体健康是必不可少的befundamentalto...
6.他除了给我忠告外,还给我钱aswellas
7.他不知如何回这封信puzzle【总结反思】【自学检测】dustexplodedtimeharmfulmultiplieddevelopmentspreadmuchpreventsdependII.BABAADIII.Intime;layeggs;gavebirthto;preventfrom;cheerup;Nowthat;Watchout;breakout;blocksout;getthehangofAsaresulttheysaved90%ofthetreesintheforest.Mobilephonesmakeitpossibleforustotalktoanyonefromanywhere.Freshairisfundamentaltogoodhealth.WouldyoupleasetellmehowtopreventthiskindofthingfromhappeningFreshairisfundamentaltogoodhealth.Hegavememoneyaswellasadvice.。