lesson 38 the world is a big place

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1、Lesson38:TheWorldIsaBigPlaceHowmanycontinentsarethereintheworld?Whatarethey?Whatdoyouknowabouttheplacewhereyoulive?Task-basedReading1.Whatistheproblemtheearthfaces?2.Peoplecanliveonthesevencontinents.()(判断正误)3.Howmuchoftheworldiscoveredwithland?4.Whatislargestpartoftheoce

2、an?5.Itmustbetreatedwellforourchidrenandforourchildren'schildren,too.(Translate)Thepopulationisincreasingveryquickly.FOnethird.ThePacificOcean.为了我们的子孙后代我们一定要善待地球.intotalontheearthinthefuturebecoveredwitbetreatedwellOncetheworld______________greenplantsandthelivingthingsl

3、edapeacefullife____________.However,latersomeanimals_______________andwasevenkilledformoney.Therearenotmany_________.Luckily,peoplearetryingtosavetheanimalsindangernow.Weallhopethatallthelivingthingswillliveapleasantlifeasbefore_____________.wascoveredwithontheearthwereno

4、ttreatedwellintotalinthefutureTheearthisourhome.Wemusttakecareofit.Lifetodayiseasierthanitwas__1__yearsago,butithasbroughtsomenewproblems.Oneofthebiggestproblemsispollution.Wecanseeit,smellit,drinkitandevenhearit.Manhaspollutedthe__2__.Themorepeople,themorepollution.Manyy

5、earsago,theproblemwasnotsoseriousbecausetherewerenotso__3__people.Whenthelandwasuseduportheriverwasnotcleaninaplace,manwentto__4__place.Nowmanisslowlypollutingthewholeworld.__5__pollutionisstillthemostserious,it’sbadfor__6__thingsintheworld.Manycountriesdon’tletpeopleburn

6、__7__forairinthehousesandfactoriesinthecity.PollutionbySO2isnowthemostdangerouskindofairpollution.It’scausedbyheavytraffic.Peoplesayit’s__8__toridebikes.Whenyouareriding,thereisnopollution.Butevenindevelopedcountries,mostpeopledon’tgotoworkbybike.It’snotbecausebikesareexp

7、ensiveorpeoplearetirediftheyridetowork.It’sbecausethenumberofcarsontheroadsbecomeslarger.Somorepeople__9__theirbikesandgotoworkbycar,thenthingsaregettingworseandworse.Weshouldhavespecialroadsonlyforbikesandmakeit__10__difficultandexpensivefordriverstotaketheircarsintothec

8、itythattheywillgobacktousingtheirbikes.（）1.A.hundrB.hundredsofC.hundredofD.hundreds（）2.A.moonB.s