八级英语 Lesson42 The Great Green Wall.ppt

Lesson42 TheGreatGreenWall I Discussthefollowingquestions 1 HaveyouheardoftheGreatWall 万里长城 2 HaveyouheardoftheGreatGreenWall 3 What stheGreatWall WherehavetheChinesepeoplebuilttheGreatGreenWall II ForestShelterBeltinNorthwest NorthandNortheastChina Note Sanbeishelter forest 三北防护林 isknownasChina s GreatGreenWall Itisa GreatGreenWall oftress millionsoftrees ChinahasbuiltanewGreatGreenWallacrossthenorthernpart includingInnerMongdia Shanxi Hebei BeijingandTianjin TheGreatGreenWallalsocoverssomeoftheNorthwest Xinjiang Qinghai Gansu NingxiaandShanxi andthewestpartoftheNortheast Liaoning JinlinandHeiLongjiang Itincludes 包括 13provinces citiesandautomomousregion 自治区 Itstotalareais4 069 000squarekilometers whichcover42 4 ofthelandofChina ThebuildingoftheGreatGreenWallwilltake73years 1978 2050 Thisbuilding 工程 willtakesomuchtime somuchland somuchmoneyandsomanypeopletobuildit Why III Nowreadthetextasquicklyasyoucanandanswerthefollowingquestion WhywastheGreatGreenWallbuilt IV Readthetextmorecarefullyagainandanswerthefollowingquestions Firstlet sreadthroughthequestions Howdoforestshelppreventdrought Howcanforestspreventfloods HowlongandwideistheGreatGreenWall WhyistheGreatGreenWallsoimportant WhoworksatYuLininShanxiprovince Wheredidthewritefindhim Whatwillhappentothemountainsinafewyears time WhatdoesWangFengthinkoftheworkontheGreatGreenWall V Discusshowtodividethetextandmainideas Thefirstpart thefirstparagraph para one Theimportance 重要 offorestsTheSecondPart para 2 3 SomethingabouttheGreatGreenWallinChina Thethirdpart para 4 6 SomethingaboutWangFeng otherworkersandtheirwork whatWangFengthinksabouttheGreatGreenWallandhiswork VI Fillintheblanks Thetrytoretellthetext TheGreatGreenWall Forestshelptostopdroughtsandfloods soChinahasanewGreatWallthenorthernpartofthecountry TheGreatGreenWallis7 000kilometers andbetween400and1 700kilometers Itwillstopthewindblowingtheearthaway Itwillstopthefrommovingtherichinthesouth IfmoreGreatGreenWallsarebuilt moregoodlandwillbeprotectedandthenmorecropswillbeproducedtofeedmorepeople Theanswerstotheexercise Forestshelptostopdroughtsandfloods soChinahasbuiltanewGreatWallacrossthenorthernpartofthecountry TheGreatGreenWallis7 000kilometerslong andbetween400and1 700kilometerswide Itwillstopthewindfromblowingtheearthaway Itwillstopthesandfrommovingtowardstherichfarmlandinthesouth IfmoreGreatGreenWallsarebuilt moregoodlandwillbeprotectedandthenmorecropswillbeproducedtofeedmorepeople VII Theclosingremarks 结束语 ItshowswhathashappenedtotheforestsoftheUSAinthelast350years In1620 abouthalftheUSAwascoveredbyforests In1850 aboutathirdwascoveredbyforests Today theforestshavealmostgone Alotofgoodlandhasgonewiththem leavingonlysand Today toomanytreesarestillbeingcutdownintheUSA Chinamustn tcopytheUSA sexample Wemustplantmoretomakeourcountrygreener richerandmorebeautiful Doremember Themore thebetter 50 33 100 50 0 1620 1850 。