新人教必修3Unit4Period4教学设计

Unit4SpaceExplorationPeriod4ReadingforWriting

教学设计教学目标1.Readquicklytogetmainidea;readcarefullytogetthedetailedinformation.Learnthecharacteristicsorstructuresofargumentativeessay.Learntowriteanargumentativeessay.教学重点难点1.Learnthecharacteristicsorstructuresofargumentativeessay.Learntowriteanargumentativeessay.教学过程

Step1RevisionStep2SkimmingWhat’sthemainideaofthetext?Itisaboutanargumentaboutintroducingdifferentbenefitsofexploringspace.Findthetopicsentenceofeachparagraph.Para1Presentanargumentwhetherexplorationspaceawasteoftimeandmoney.Para2Exploringspacehascontributedgreattothefightagainstworldhunger. Para3Spaceexplorationhasalreadypromotetechnologicalimprovement. Para4Sendingastronautsintospacehasfurtheredunderstandingoftheworld’sproblemsandfiguringoutwaystosolvethem. Para5Drawaconclusionthatexploringspaceisofgreatbenefit,soweshouldcontinue.Step3Readthetextandanswerthefollowingquestions.1．Whyaresomepeopleagainstspaceexplorationaccordingtothepassage?Becausetheythink.A．itcosttoomuchtimeandmoneyB．itmightfeedtheworld'spoorC．itmayresultinpollutionandfataldiseasesD．itfailstorealizetheimportanceofspaceexploration2．WhichofthefollowingisNOTthebenefitofexploringspace?A．Fightingagainstworldhunger.B．Helpingfarmingtogrowmorefood.C．Changingthedataonlandandweatherpatterns.D．Promotingtechnologicalimprovementsaroundtheworld.3．WhatdidthepictureofEarthfromspacemakepeoplerealise?A．Wearelivingonaisland.B．Ourearth'sresourcesarelimited.C．Wecanfindwaysintheblacksea.D．Marsisthebestplanettoliveon.ACBDifferentopinionsaboutspaceexplorationSomepeoplearguethatweshouldstopexploring,whileothersfeelthisisa1._____view.DifferentopinionsaboutspaceexplorationSomepeoplearguethatweshouldstopexploring,whileothersfeelthisisa1._____view.2.:mildallyearround.DifferentbenefitsofexploringspaceDifferentbenefitsofexploringspaceIthas2._____inthefightagainstworldhunger.Ithas3._____technologicalimprovements.Ithelpspeople4._____theworld’sproblems.DrawaconclusionDrawaconclusionExploringspaceshould5._____Answers:1.shallow 2.madeadifference 3.promoted 4.thinkabout 5.continueStep5WordsandphrasesTranslatethephrasesfromthetext.①launchasatellite发射卫星②collectdata收集数据③explorespace探索太空④makeadifference有很大影响⑤resultin导致⑥benefitfrom从中受益⑦advancedtechnology先进的技术⑧meettherequirements满足要求⑨changeourlives改变我们的生活⑩limitedresources有限的资源⑪becloseto靠近；接近⑫providefor提供生活所需⑬promotetechnologicalimprovement促进技术改进⑭providesolutionstoproblems提供解决问题的办法Step6Writing最近，你班同学就“太空探索是否值得”这一话题展开了一场讨论。请你根据下表提供的信息，用英语写一篇短文介绍讨论的情况，并谈谈自己的看法。30%的同学认为：70%的同学认为：不值得探索2．离我们及我们的日常生活太遥远3．浪费金钱。这些金钱本可用来解决地球上的饥饿、污染等问题1.值得探索2．已使用卫星进行通讯传播、天气预报3．有望解决地球人口问题、地球能源短缺问题1.Writingtheoutline

Paragraph1：Recently,studentsinourclasshavehadadiscussiononwhetherspaceisworthexploring.Paragraph2：30%ofusthinkspaceexplorationisnotworthwhile.Paragraph3：Ontheotherhand,70%thinkspaceisworthexploring.Paragraph4：AsfarasIamconcerned,itisworthwhiletoexplorethespace.andphrases①haveaheateddiscussion举行热烈的讨论②beworthdoing值得做③holddifferentideas持有不同的观点④befarawayfrom离……很远⑤beusedtodo被用来做……⑥benefitalotfrom...从……受益良多⑦communicationn．交际⑧weatherforecast天气预报⑨energyshortages能源短缺⑩asfarasI’mconcerned在我看来writing---makesentences①用于太空探索的资金可以用来解决地球的饥饿和污染等问题。(过去分词作定语)Andthemoneyspentonspaceexplorationcanbeusedtosolvetheearth’sproblemssuchasstarvationandpollution.②30%的同学认为不值得探索。30%ofusthinkspaceexplorationisnotworthwhile.③他们认为太空探索离我们及我们的日常生活太遥远并且浪费金钱。Theythinkspaceistoofarawayfromusandourdailylifeandisawasteofmoney.④70%的人认为太空值得探索，因为我们从中受益匪浅。(because)70%thinkspaceisworthexploringbecausewehavebenefitedalotfromit.⑤总有一天，我们可以搬到其他星球去解决人口问题。(bydoing)Wemaysolvethepopulationproblembymovingtootherplanetsoneday.⑥太空研究将使我们能够找到新的能源来解决地球上的能源短缺问题。(不定式作目的状语)Spaceresearchwillenableustofindnewsourcestosolvetheproblemofenergyshortagesontheearth.⑦在我看来,探索太空是值得的。AsfarasIamconcerned,itisworthwhiletoexplorethespace.4.DaftRecently,studentsinourclasshavehadheatedadiscussiononwhetherspaceisworthexploring.Studentsholddifferentideasaboutit.30%ofusthinkspaceexplorationisnotworthwhile.Theythinkspaceistoofarawayfromusandourdailylifeandisawasteofmoney.Andthemoneyspentonspaceexplorationcanbeusedtosolvetheearth’sproblemssuchasstarvationandpollution.Ontheotherhand,70%thinkspaceisworthexploringbecausewehavebenefitedalotfromit,suchasusingsatellitesforcommunicationandweatherforecast.What’smore,withfurtherspaceresearch,wemaysolvethepopulationproblembymovingtootherplanetsoneday.Also,spaceresearchwillenableustofindnewsourcesto