TheGreatGreenWall课件
日期：2010-05-21 05:20
000kilometres____，andbetween400and1，soChinahas_____anewGreatWall_______thenorthernpartofthecountryTheGreatGreenWallis7，WELCOME!HowtoplantatreeWhatcanplantsdo?raindropshit…directlysoildeadleaveskeep…fromaway(withoutanythingbetween)(theearthontheground)(leaf~leaves)treesbeingwashedrunning(agreatoverflowofwater)2Howcanforestsprevent?floods(alongtimeofdryweather)1Howdoforestshelpprevent?droughtParagraph1keep…fromdoingsthrunawaywashawayinthiswayWhatdoes“theGreatWall”meanthistime?TheGreatGreenWallwherehowlonghowwideWhyisitimportant?TheGreatGreenWallItwillstop…from…WhyistheGreatGreenWallsoimportant?windsandblow…awaymovetowards…richfarmland…FillintheblanksForestshelptostopdroughtsandfloods，700kilometres_____Itwillstopthewind____blowingtheearthawayItwillstopthe____frommoving_______therich_________intheSouthIfmoreGreatGreenWallarebuilt，moregoodlandwillbeprotectedandthenmorecropswillbeproducedtofeedmorepeoplebuilt，
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