初三英语上学期lesson42九年级英语课件
日期：2010-05-23 05:35
andTianjinTheGreatGreenWallalsocoverssomeoftheNorthwest(Xinjiang，citiesandautonomousregionsItstotalareais4，Qinghai，abutathirdwascoveredbyforestsToday，5010001620185050%33%THEUNITEDSTATESOFAMERICALookatthediagramItshowsuswhathashappenedtotheforestsoftheUSAinthelast350yearsIn1620，NingxiaandShaanxi)andthewesternpartoftheNorthwest(Liaoning，abouthalftheUSAwascoveredbyforestsIn1850，Gansu，leavingonlysandToday，ThefloodofChangjiangRiverin1998Questions1）?HaveyoueverheardoftheGreatGreenWall?2)WhatdoyouknowabouttheGreatGreenWallTHEGREATGREENWALLChinahasbuiltanewGreatGreenWall，大兴安岭将无木可伐，Hebei，toomanytreesaresillbeingcutdownintheUSA16年后，069，JilinandHeilongjiang)Itincludesaltogether13provinces，includingInnerMongolia，“Sanbeishelter-forest”acrossthenorthernpart，000squarekilometers，theforestshavealmostgoneAlotofgoodlandhasgonewiththem，Beijing，Shannxi，whichcovers424%ofthelandofChinaThebuildingoftheGreatGreenWallwilltake73years(1978—2050)TheGreatGreenWallhasalreadysavedalotofl，
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