Lesson38TheWorldIsaBigPlace.ppt

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1、Unit7KnowourworldLesson38TheWorldIsaBigPlace平泉市洼子店中学王彦平planetbilliontotalintotalincreasesurfaceIndiann.行星n.十亿；千兆n.总计；总数adj.总的；总计的总计；合计；总共v.增加；增大n.表面；表层adj.印度的n.印度人WordsandexpressionsAtlanticArcticonethirdtwothirdsbecoveredwith…n.&adj.大西洋(的)n.&adj.北极的三分之一三分之二被……覆盖Wordsa

2、ndexpressionsTounderstandthepassageabouttheearthTogetmoreinformationabouttheearthandthecontinentsTolearnsomewordsandexpressions:intotalonethirdallyearroundtwothirdsAntarcticaiscoveredwithsnowandiceallyearround.objectivesHowmanycontinentsarethereintheworld?Whatarethey?A

3、fricaNorthAmericaSouthAmericaAsiaEuropeAustraliaAntarcticaTrytomatchthesevencontinentswiththeircorrectdescriptions.P1013Lookatthemapandcirclethefourmainoceans.1.Intheyear2010,theworld’spopulationwasover________.By2025,theworldmayhaveabout_______people.Andby2050,theworl

4、d’spopulationmayreach________.2.Onlyabout________ofourplanetisland.3.Butpartsofthislandarevery___.Theseplacesarecalled_______.4.Oceanscover_________oftheearth’ssurface.5.Theworld’slargestoceanis_______________.6.__________iscoveredwithsnowandiceallyearround.7billion8bi

5、lliononethirdtwothirdsthePacificOceanAntarcticadryListentothepassageandfillintheblanks.9billiondesertsTask1Task2Matcheachparagraphwithitsmainidea.Para.1Para.2Para.3Para.4Para.5a.Sixofthesevencontinentsaregoodforpeopletoliveon.b.Weshouldtreattheearthwell.c.Anincreasingp

6、opulationisabigproblemfortheearth.d.Twothirdsoftheearthiscoveredwithoceans.e.Peoplecannotliveeverywhereontheearth.P1011Task3ReadPara.1andfillintheblanks.Yeartheworld’spopulationby2010by2025by2050over7billionabout8billion9billionTask3ReadPara.2andcompletethesentences.1.

7、Theproblemisthatpeoplecan’t_____________ontheearth.2.Someplacesaredifficulttolivein,suchas_________,______________andareascoveredwith_______________.3.Landonlycovers____________ofourplanetandtherestiswater.liveeverywheredesertssnowandiceonethirdhighmountainsTask3ReadPa

8、ra.3&Para.4anddothefollowingexercises.1.Listthesevencontinents.2.Listthefourmainoceans.Asia,Europe,Africa,NorthAmeric