Unit4LifeonMars第四课时Grammar◇目标导航◇类别课时要点重点单词circlevi.&vt.围绕;将……圈起来agreementn.一致,同意possibilityn.可能性doubtn.疑惑,疑问strangern.外来者,陌生人重点短语withthehelpofsb在某人的帮助下gointothespace进入太空moveto移居到……workhard努力工作makethedreamcometrue使梦想成真bedifferentfrom与……不同thesameas与……一样hearfrom收到……的来信重点句型1.NeilArmstrongreceivedhisstudentpilot’slicencewhenhewas16.尼尔·阿姆斯特朗16岁的时候拿到了学生飞行员执照。2.Peoplemightfloatinspacebecausethegravityislow.因为重力小,人们可能会在太空中漂浮。3.Humanscannotsurviveifthereisnofood,wateroroxygen.如果没有食物、水或氧气,人类就不能生存。4.ThesmellofthepillsremindsthemthatfoodontheEarthistasty.药片的味道使他们想起地球上的食物是美味的。5.Aretheysurethatspacetravelwillbeveryfast?他们确信太空旅行将非常快吗?教学重点1.让学生掌握四会的单词、短语及句型。2.让学生掌握状语从句与简单句之间的转换。3.让学生掌握宾语从句与简单句之间的转换。4.让学生掌握定语从句与简单句之间的转换。教学难点让学生能用介词短语把状语从句、宾语从句与定语从句转换成简单句。◇教学过程◇预习指导一、方法指导分析Page56~58的例句,熟悉复合句改为简单句的用法,并尝试完成后面的练习。二、预习检测Ⅰ.汉译英1.疑惑,疑问doubt2.外来者;陌生人stranger3.在某人的帮助下withthehelpofsb4.进入太空gointothespace5.移居到……moveto6.努力工作workhard7.使梦想成真makethedreamcometrue8.与……不同bedifferentfrom9.与……一样thesameas10.收到……的来信hearfromⅡ.根据句意及汉语提示完成单词1.Hisopinionisinagreement(一致)withmine.2.Walkashortdistance(距离)andthereyouare.3.Thereisonepossibility(可能性)ofchangingthejob.4.Thespacecraftwillcircle(围绕)aroundtheMoontwice.5.Theboyfollowedthealiens(外星人)toseewheretheyweretogo.课堂教学Step1情景导入1.老师给出三种不同的从句,让学生思考其他的表达方式。(1)Ifthereisnofreshfood,mealswillnotbeastastyastheyaretoday.Withoutfreshfood,mealswillnotbeastastyastheyaretoday.(2)ItwouldbefunnytoplayfootballonMarsbecauseofthelowgravity.ItwouldbefunnytoplayfootballonMarsbecausethegravityislow.(3)ScientistsareinagreementthatlivingonMarswouldbepossibleforhumansinthefuture.ScientistsagreethatlivingonMarswouldbepossibleforhumansinthefuture.(4)Marsisaplanetwhichhasnoair.Marsisaplanetwithnoair.2.小组合作,相互检查答案,全班核对答案。Step2完成教材PartA的任务1.阅读Page56的说明与例句,体会状语从句如何改为简单句。2.小组合作完成Page56的练习,相互检查答案,并全班核对答案。限时训练将下列状语从句改为简单句1.IcouldswimwhenIwaseightyearsold.Icouldswimattheageofeight.2.Hewenthomeafterhefinishedhiswork.Hewenthomeafterfinishinghiswork.3.Hewaslateforschoolbecauseitrainedheavily.Hewaslateforschoolbecauseoftheheavyrain.4.Youcannotenterthecinemaifyoudon’thaveaticket.Youcannotenterthecinemawithoutaticket.Step3完成教材PartB的任务1.阅读Page57的说明与例句,体会宾语从句如何改为简单句。2.小组合作完成Page57的练习,相互检查答案,并全班核对答案。限时训练将下列宾语从句改为简单句1.ThephotosremindmethatItravelledtotheUKfiveyearsago.ThephotosremindmeofmytriptotheUKfiveyearsago.2.AreyoucertainthatTomissatisfiedwiththeplan?AreyoucertainaboutTom’ssatisfactionwiththeplan?Step4完成教材PartC的任务1.阅读Page58的说明与例句,体会定语从句如何改为简单句。2.小组合作完成Page58的练习,相互检查答案,并全班核对答案。限时训练把下列定语从句改为简单句1.Doyouknowthegirlwhoisholdingtwobooksinherhand?Doyouknowthegirlwithtwobooksinherhand?2.ThemanwhowearsablueshirtisourEnglishteacher.Themani...
