Lesson38TheWorldIsaBigPlace (2).ppt

《Lesson38TheWorldIsaBigPlace (2).ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit7KnowOurWorldLesson38:TheWorldIsaBigPlace!Learningaims:1.学习本课的重点单词和短语.2.学习地球上大洲大洋的英语表达.Learningimportantpoints:1.了解地球.2.学会分数的表达.Howmanycontinentsarethereintheworld?Whatarethey?Howmanyoceansarethereintheworld?Whatarethey?ThinkAboutItplanetn.行星billionn.十亿；千兆totaln.总计；总数adj.总的；总计的increasev.

2、增加；增大Indianadj.印度的n.印度人Atlanticn.&adj.大西洋（的）Arcticadj.北极的Learnsomenewwordsplanet['plænit]Arctic['ɑ:ktik]Atlantic[ət'læntik]surface['sə:fis]increase[in'kri:s,'inkri:s]ListeningListentothelessonandreadalongwiththetape.Readthethird,thefourthandthefifthparagraph.Readthelessonagainandanswertheque

3、stions1.Howmanycontinetsarethereintheworld?Whatarethey?2.Howmanyoceansdoestheworldhave?Let’sDoIt!Readthelessonandmatcheachparagraphwithitsmainidea.Paragraph1a.Sixofthesevencontinentsaregoodforpeopletoliveon.Paragraph2b.Weshouldtreattheearthwell.Paragraph3c.Anincreasingpopulationisabigproblem

4、fortheearth.Paragraph4d.Twothirdsoftheearthiscoveredwithoceans.Paragraph5e.Peoplecannotliveeverywhereontheearth.Matchthesevencontinentswiththeircorrectdescriptions.词语译一译1.指出2.被……覆盖3.终年4.三分之一5.总共6.其他六大洲7.地球表面8.北冰洋piontoutbecoveredwithallyearroundonethirdintotaltheothersixcontinentstheearth’ss

5、urfacetheArcticOceanFillintheblankswiththecorrectformsofthewordsinthebox.increasedrysurfacebilliontotal1.Thenumberofswimmershereis_________quicklybecauseit’sveryhotthesedays.2.Theschoolhasa______of900students.3.Ithinkitmaybethe_____seasonoftheyear.4.The______ofourbodyisskin.Itprotectsus.5.Ho

6、wmany______ofpeoplearethereintheworldnow?increasingtotaldriestsurfacebillions...,theworld‘spopulationwasover7billionintotal.世界上人口总计已超过70亿。population意为“人口”，常被看作是一个整体，一般不加s。作主语时，谓语动词要用单数形式。如：ThepopulationofGermanyisabout81,000,000.德国大约有八千一百万人口。Languagepoints(2)表示某国、某城市有多少人口时，还可用...hasapopulati

7、onof...结构。如：Thecityhasapopulationof30,000.那座城市有三万人口。2.Andby2050,theworld’spopulationmayreach9billion.到2050年，世界人口总数可能会达到90亿。“by+时间”表示“到……为止”。例如：IpromiseI’llsendyoufeedbackbythisFriday.我保证在这个星期五前给你反馈。3.Itisincreasingveryquickly.increase是动词，意为“增加”后接介词