重庆市开县南雅初级中学九年级英语上册《Unit2 Topic3 SectionC》课件 仁爱版.ppt

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1、Unit2SavingtheEarthTopic2Alltheseproblemsareveryserious.SectionC1._____it’sraininghard,hekeepsonworkingoutside.2.Kangkangcanplaythevoilin,______Ican’t.3.Mr.Linisverykind_____heisveryhumorous,too.4.Thesuitfitsmewell_____Ican’taffordit.ThoughwhileandbutFi

2、llintheblanksusingbut,and,thoughandwhile.Revision:Whatnewwayshavebeeninventedtoproducepower?Askandanswer:electricvehiclebiogastechnologyWhatnewwayshavebeeninventedtoproducepower?Askandanswer:maglevtrainwaterbatteryLookupthesewordsinadictionary.poweracid

3、rainnuclearrenewableelectricefficient电力；动力；力酸雨原子核的，原子能的；核动力的可更新的电动的，用电的效率高的；有能力的Windisusedforproducingelectricityinmanyplaces.Lookatthefollowingpicturesandguessthemeaningoftheunderlinedword.GuessinggameMoreandmorepeopleareinterestedinelectriccars.Guessi

4、nggameThemaglevtraininShanghaiusesmagnets.Themagnetspushthetrainforward.Guessinggame…peopleproducepowerfromcoal,butitisverydirtyandcausesacidrain.GuessinggameNuclearpoweriscleanbutitisverydangerous.Guessinggamefewertreesfactorypollutiontrafficpollutiont

5、heozonelayermorecarbondioxideCanyoumatchthem?Readandunderstand1aChoosetherightpictureforeachparagraph.Inmanycountries,peopleproducepowerfromcoal,butitisverydirtyandcausesacidrain.Somecountriesusenuclearenergytoproducepower.However,nuclearpowercanbeveryd

6、angerous.Tosolvetheenergyproblem,peopleallovertheworldarelookingallthetimefornewwaystoproducepower.abcc______Chinaisoneofthefirstcountriesintheworldtousebiogastechnology.Farmersrecyclestraw,grassandanimalwastetomakebiogas.Thisrenewableenergyisusedinpeop

7、le’severydaylife.abcChoosetherightpictureforeachparagraph.______Electricvehiclesweredevelopedinthe1990s.Nowthereareelectricvehiclesinmanycountries.Theyareveryefficientandcostverylittletorun.Althoughelectricvehiclesproducenopollution,therewillbeanincreas

8、einelectricityneedsiftheyarewidelyused.aabc______InChina,thebest-knownmaglevtrainistheGerman-builtoneinShanghai.Ittakespeople30kmtotheairportinjust7minutesandreachesatopspeedof431kmperhour.Itisquietandquick.Thereisnowheelnoise,be