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1、Module 4 Sandstorms in Asia 目的要求：目的要求：1.Environmentalconservation（环境（环境保护）保护）2.Grammar:infinitiveandbut+infinitiveGrammar1.不定式用法：不定式用法：todo，tobedone，tobedoing，tohavedone，tohavebeendone2.but+不定式不定式:nothingbut（to）do;cannothelpbutdo/cantbutdo;cannotchoosebutdoTaskOneReadSandstorms in Asiaandunderlineal
2、ltheinfinitiveinthistext.Analysewhatmembersofsentencetheyareusedas练练习习：Fillintheblankswiththeproperformofthegivenwords.SandstormshavebeenamajordisasterformanyAsiancountriesforcenturies.Scientistshavetriedmanyways_(solve)thisproblemandinChina,amasscampaignhasbeenstarted_(help)solveit.Sandstormsarestr
3、ong,dryandwinds.Thewindissometimesstrongenough_(move)sanddunes.tosolvetohelptomoveNorthwest ChinaispartofthesandstormcenterinCentralAsia.SandstormsinChinaappear_(increase)inrecentyearsasaresultof“desertification”.RenJianbo,fromInnerMongoliadescribedaterriblesandstormheexperiencedasachildinthedesert.
4、“_(catch)inasandstormwasaterribleexperience,”hesaid.“Therewasnothing_(do).Thestormscontinuedalldayandtrafficmovedveryslowlybecausethethickdustmadeitdifficult_(see).”tohaveincreasedTohavebeencaughttobedonetoseeWhenasandstormarrivesinthecity,weatherexperts advise people _ (not go) out. Huang Xiaomei,
5、who lives in Beijing says, “_(cycle)inasandstormisfrightening. It is difficult _(breathe)and the dust makes me ill. So if you want_(go)out,youdbetterwearamask.”_ (prevent) the sandstorm comingnearer, the government is planting trees. Already the government has planted morethan30billiontreesandplans_
6、(continue) planting for the nextfiveyears.nottogoTobecyclingtobreathetogoTopreventtocontinueTask Two Grammar but+infinitiveFinishthefollowingexercisesandthenrecitethesesentences.Underlinethecorrectanswers.1.Icant(help,but)hopethattheywillsucceed.2.Icanthelpbut(think,tothink)thatiswasamistake.3.Icant
7、(chose,choose)butdoit.4.He does nothing but (complaining,complain).5.Icanthelpbut(tolove,love)her.6.Theworkersdo(nothing,not)butdrinkteaandtalktoeachother._Writing:根根据据下下列列提提示示，用用5句句话话写写一一篇篇论论述述环环境保护的重要性的短文。境保护的重要性的短文。环境环境现现状状1.我们这个世界不仅缺粮而且缺我们这个世界不仅缺粮而且缺水水2.河流，湖泊，海洋被污染河流，湖泊，海洋被污染原因原因1.工厂排放污水工厂排放污水2.
8、生活垃圾倒入生活垃圾倒入危害危害不能饮用，人患病，鱼死不能饮用，人患病，鱼死措施措施Theworldnotonlylacksgrainbutalsoisshort of water, and whats worse, therivers,lakesandseashavebeenseriouslypolluted.Insomeplaces,wastedwaterandHumanwastearepouredstraightintotheriverswithoutbeingtreated.Asaresult,thepollutedwatercantbeused.Itmakespeoplegetsickandkillsthefish.Inordertogetridoftheproblem,weshouldmakelaws,saveasmuchwateraspossibleandreusethewaterafteritispurified.
