Unit2Topic3SectionC

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1、Unit2SavingtheEarthTopic3Whatcanwedoathometoprotecttheenvironment?SectionCAreyouagreenerperson?Howcanwebecomeagreenerperson?Turnoffthelightswhenweleavearoom.Walkorrideabikeinsteadoftakingabusorataxi.Takeaclothbagwhenwegoshopping.Don’tdriveacarifyoutravela

2、shortdistance.Writeonbothsidesofthepaper.Don’tusethethingsthatcanbeusedonlyonce.Afterwewashfaces,wecanusethewatertowashclothes.TurnofftheTVsetwhileweareaway.…It’sanelectriccar.Itworkswell,butit’sslowandcan’trunforlong.electric(adj.)—electricity(n.)Doyouknow

3、them?Doyouknowit?It’samaglevtrain.Itsadvantagesarequiet,fastandclean,butit’stooexpensive.磁悬浮列车n.技术Doyouknowit?Chinaisoneofthefirstcountriesintheworldtousebiogastechnology.沼气1aReadandunderstand.Lookatthepictures.Doyouknowwhattheyare?Choosetherightpicturefore

4、achparagraph.paragraph2paragraph3Paragraph41bRead1aandmatchthewordswiththepicturesonPage48.A.acidrainB.nuclearenergyC.biogasACBadj.原子核的，原子能的酸雨ReadParagraph1again,andthenmarkTrue(T)orFalse(F).()It’sgoodthatpeopleproducepowerfromcoal.()Nuclearpowerisdangerous

5、.Sowecan’tuseit.()Tosolvetheenergyproblem,peopleallovertheworldarelookingfornewwaystoproducepower.TFTParagraph1Paragraph2Itskeydisadvantageisthattheprocessrequiresalongtime(upto30days)andthecostishigh.它最大的缺陷是生产过程需要很长时间（长达30天）和成本高。processn.步骤，过程v.加工，处理requir

6、ev.需要，需求require有两种用法：*require(doing)sth.表示主语“该...了”。如：Thefloorrequireswashing.地板该洗了。*berequiredtodosth.表示主语必须（被要求）...如:Studentsarerequiredtoattendclasses.学生必须按规定上课。Paragraph3Electricvehicleswere__________inthe1990s.OnApril11,2010,anewkindofelectricvehicle__

7、_____“Yezi”wasshowninthe2010ShanghaiWorldExpo.Itproduces_________fromthesun,thewindandCO2.Itcannotonlyprotecttheenvironmentbutalso_____energy.It’stoosmalltoholdmanypeople,but_______modelswillbedevelopedinthenearfuture.develop,electric,name,save,largedevelop

8、ednamedelectricitysavelargerParagraph41.去30公里以外的飞机场只需花费人们七分钟的时间。Ittakespeoplejust7minutestogototheairport30kmaway.2.火车最高时速能够达到每小时431公里。Thetraincanreachatopspeedof431kmperhour.1cRead1aagainandcompleteth