Unit4LifeonMars第三课时Reading(2)◇目标导航◇类别课时要点重点短语moreandmore越来越……becauseof因为largenumbersof大量的(all)overagain再;重新withthedevelopmentoftechnology随着科技的发展atthespeedoflight以光速intheformof以……的形式compareto/with与……相比connect...to...……与……相连重点句型1.SomepeoplebelievethathumanscouldliveontheplanetMarsbytheyear2100.一些人相信到2100年,人类能住在火星上。2.However,thespacecraftwouldtravelsofastthatthejourneytoMarsmightbequiteuncomfortable.然而,宇宙飞船行驶得太快以至于到火星的旅途可能会很不舒服。3.Also,robotswoulddomostoftheirworksothattheycouldhavemoretimetorelax.并且,机器人会做他们(人类)的大部分工作以便他们能有更多的时间放松。4.LifeonMarswouldbeinterestingaswellaschallenging.火星上的生活不仅有挑战性,还很有趣。教学重点1.让学生识别和理解有关火星生活的词汇。2.让学生学会快速浏览文章,通过查找细节迅速掌握文章大意的阅读技巧。教学难点让学生能用英语说出地球生活与火星生活的不同之处。◇教学过程◇预习指导一、方法指导1.总结介绍在火星生活的词汇和句式。2.复习上节课内容并尝试复述Page52~53的文章。二、预习检测Ⅰ.汉译英1.越来越……moreandmore2.因为becauseof3.大量的largenumbersof4.再;重新(all)overagain5.随着科技的发展withthedevelopmentoftechnology6.以光速atthespeedoflight7.以……的形式intheformof8.与……相比compareto/with9.……与……相连connect...to...Ⅱ.根据句意及汉语提示完成单词1.Don’tdrinkthewaterintheriver.Itispolluted(被污染的).2.—Howmanyplanets(行星)arethereinthesolarsystem(太阳系)?—Thereareeight.3.Thebusissocrowded(拥挤的)thatyoucan’tfindanymoreroom.4.ThejourneytoMarswillprobablybeveryuncomfortable(不舒服的).5.Whenwecompare(比较)WesternculturewithChineseculture,you’llfindmanydifferences.6.Believeitornot,allthepassengers(乘客)camethroughtheplanecrashalive.7.Hemadesuchrapid(快速的)progressthathisparentswereveryglad.8.Thepopulation(人口)intheworldisgettinglargerandlarger.课堂教学Step1情景导入在音乐声中,展示一些在火星和地球生活的相关图片。Step2复习1.认真复习一遍课文,并复述课文。2.小组合作讨论,总结归纳火星生活的优缺点。Advantages·It’snotcrowdedorpolluted.·Thetransportisconvenient(方便).·Peoplewillwearspecialboots.·Peoplewillhavemorespace.·Robotswilldomostofourwork.·We’llhavemoretimeforhobbies.·Studentswillstudyinonlineschools.Disadvantages·Lowgravitywillbedangerous.·Fooddoesnottastegood.·Spacetravelmakespeoplefeelill/sick/uncomfortable.·It’stoodangeroustostayoutside.·It’stoofarawayfromfriendsonEarth.Step3完成教材B3的任务1.认真阅读Page52~53的文章,完成B3的任务。2.老师请几名学生分享他们的答案,并核对答案。Step4完成教材B4的任务1.再次认真阅读Page52~53的文章,完成B4的任务。2.老师请几名学生分享他们的答案,并核对答案。限时训练Ⅰ.根据句意用所给词的适当形式填空1.Theemptyboatwasfloating(float)onthesea.2.Thetownsareconnected(connect)bytrainandbusservices.3.Todayismymother’sbirthday.Iboughtthebookspecially(special)forher.4.Therestaurantoffersbetterservicesandtastier(tasty)foodthanothers.5.—Thebadnewsspreadrapidly(rapid)frommouthtomouth.—That’sterrible.Ⅱ.单项填空(D)1.Luckily,thenumberofgiantpandasisbecomingthanbefore.A.moreB.largerC.fewerD.smaller(D)2.Theairandwaterareharmfultopeople’shealth.A.valuableB.lastingC.freshD.polluted(D)3.—Whatdoyouthinkofyesterday’sspeech?—Ithinkitiswellworth.A.listeningB.tolistenC.tolisteningtoD.listeningto(A)4.—David,couldyouhelpmecarrythetable?—I’mafraiditisheavyforuscarry.A.too;toB.so;thatC.enough;toD....
