背景知识阅读.doc

背景知识阅读.doc

ID:56262580

大小:22.50 KB

页数:1页

时间:2020-06-04

背景知识阅读.doc_第1页
资源描述:

《背景知识阅读.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库

1、背景知识阅读之GiantsandstormhitnorthernChina如果你生活在北方,你可曾目睹过沙尘暴袭来时天地昏黄、日月无光的景象呢?你可曾想过谁是造成这种灾害的罪魁祸首呢?其实就是我们人类自己。InMarch10,2004,StrongwindsfromRussia’sSiberiakickedupcloudsofdustandsand.ThusnorthernChinawashitbytheseason’sfirstmajorsandstorm.Thethickyellowgloomslowedtrafficand

2、forcedairportsandschoolstoclose,givingtheskyayellowappearance.NorthwesternGansuProvincewastheworstaffectedarea.Onevillagersaid,“There’snothingtodobutdigawaythesandnonstopandwaittoseewhathappens.SometimesIdreamofthesandfallingaroundmefasterthanIcandigaway.Iworrythatin

3、reallife,thesandwillwin.”Hisworryisunderstandable.Everyyear,about110millionpeoplesufferfromdesertificationandanother2,500sqkmturnstodeserteachyear.FewpeoplethinkofChinaasadesertnation,yetitisamongtheworld’slargest.Whatcausestheterriblesandstorm?Theanswerisobvious.Yea

4、rsofheavyfarmingandanimalgrazinginthenorthernChinaarethemajorreasons.Duetothis,thelandofvegetationthatprotectsthesoilisdisappearing.Theexposedearthbecameadustbowleasilysweptupbythestrongwinds. Asearlyasinthe4thcenturyB.C.,ourancestorshadbeguntonoticetheenvironmentpro

5、blem.ChinesephilosopherMencius(孟子)oncewroteaboutdesertificationanditshumancauses,includingtree-cuttingandovergrazing.OurformerPremierZhuRongjialsocalledit“analarmfortheentirenation.”Hecalledonthewholenationtoplanttreestofightthegrowingdesertification.However,Chinesed

6、esertsarestillonthemove.SandstormthreatensevenBeijing.Beijing,whichwillhostthe2008OlympicGames,hastoldtheworlditwillholda‘‘GreenOlympics.’’Thegovernmenthaspromisedtomakethecapitalintoa‘‘gardencity’’fortheGamesbycreatingbeltsoftrees.Soagreatprojectnamed“greenwall’’isi

7、nprocess.Thegreenwall,liketheGreatWall,willblockinvasionoftheenemy.However,theenemywerenotforeigninvaders,butsand.小字典gloomn.阴暗nonstopadj.不断的grazingn.放牧vegetationn.植被ancestorn.祖先Premiern.总理invasionn.入侵Openquestions:1.IfyouarePremierofChina,whatwillyoudowithdesertifica

8、tioninChina?Asastudent,whatwillyoudoforthe“GreenOlympics”?

当前文档最多预览五页,下载文档查看全文

此文档下载收益归作者所有

当前文档最多预览五页,下载文档查看全文
温馨提示:
1. 部分包含数学公式或PPT动画的文件,查看预览时可能会显示错乱或异常,文件下载后无此问题,请放心下载。
2. 本文档由用户上传,版权归属用户,天天文库负责整理代发布。如果您对本文档版权有争议请及时联系客服。
3. 下载前请仔细阅读文档内容,确认文档内容符合您的需求后进行下载,若出现内容与标题不符可向本站投诉处理。
4. 下载文档时可能由于网络波动等原因无法下载或下载错误,付费完成后未能成功下载的用户请联系客服处理。