仁爱英语九年级unit2topic3sectionC (1)课件

Unit2Topic3Wouldyouliketobeagreenerperson?SectionC仁爱英语九年级unit2topic3sectionC(1)Lookupthesewordsinadictionary.power

acidrain

nuclear

renewable

electric

efficient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；有能力的仁爱英语九年级unit2topic3sectionC(1)Windisusedforproducingelectricity

inmanyplaces.Lookatthefollowingpicturesandguessthemeaningoftheunderlinedword.仁爱英语九年级unit2topic3sectionC(1)Moreandmorepeopleareinterestedinelectriccars.Lookatthefollowingpicturesandguessthemeaningoftheunderlinedword.仁爱英语九年级unit2topic3sectionC(1)…peopleproducepowerfromcoal,butitisverydirtyandcausesacidrain.Lookatthefollowingpicturesandguessthemeaningoftheunderlinedwords.仁爱英语九年级unit2topic3sectionC(1)Nuclearpoweriscleanbutitisverydangerous.Lookatthefollowingpicturesandguessthemeaningoftheunderlinedword.仁爱英语九年级unit2topic3sectionC(1)Read1aandanswerthefollowingquestions.Whyisn’tcoalagoodmaterial?Whatisthedisadvantageofusingnuclearpower?Whatdoyouthinkofelectriccars?Whatdoyouthinkofthemaglevtrain?Itisverydirtyandcausesacidrain.Nuclearpowercanbeverydangerous.

Itisquietandquick.Theyareveryefficientandcostverylittletorun.仁爱英语九年级unit2topic3sectionC(1)Choosetherightpictureforeachparagraphof1a.abcChinaisoneofthefirstcountriesintheworldtousebiogastechnology.Farmersrecyclestraw,grassandanimalwastetomakebiogas.Thisrenewableenergyisusedinpeople’severydaylife.Electricvehiclesweredevelopedinthe1990s.Nowthereareelectricvehiclesinmanycountries.Theyareveryefficientandcostverylittletorun.Althoughelectricvehiclesproducenopollution,therewillbeanincreaseinelectricityneedsiftheyarewidelyused.

InChina,thebest-knownmaglevtrainistheGerman-builtoneinShanghai.Ittakespeoplejust7minutestogototheairport30kmawayandreachesatopspeedof431kmperhour.Itisquietandquick.Thereisnowheelnoise,becausetherearenowheels.Maglevtrainsareveryenergyefficientanddonotpollutetheair.However,maglevguidepathsaremuchmoreexpensivethantraditionalsteelrailways.仁爱英语九年级unit2topic3sectionC(1)1bWorkaloneRead1aagainandfilloutthefollowingtable.WaytoproducepowerAdvantageDisadvantagebiogaselectricvehiclemaglevtrainrenewable

efficient,cheap,nopollution

quiet,quick,energryefficient,nopollution

Itwillcauseanincreaseinelectricityneeds.muchmoreexpensivethantraditionaltrains.仁爱英语九年级unit2topic3sectionC(1)a.Therearemorethan3000powerstationsintheworldthatproduceelectricitybyburninggarbagetoheatwater.b.Peopleusethemovementofwatertoproduceelectricity.c.Windisusedforproducingelectricityinmanyplaces.d.Peopleproduceelectricityfromthesun.()()()()图文搭配abdc仁爱英语九年级unit2topic3sectionC(1)Fillintheblanksusingbut,and,thoughandwhile.1._____it’sraininghard,hekeepsonworkingoutside.2.Kangkangcansolvetheproblem,______Ican’t.3.Mr.Linisverykind_____heisveryhumorous.4.Thesuitfitsmewell_____Ican’taffordit.Though

while

and

but仁爱英语九年级unit2topic3sectionC(1)Usebut,and,thoughandwhile

todescribethewaysofproducingpower.仁爱英语九年级unit2topic3sectionC(1)3WrittenworkWhatgoodhabitsprotecttheenvironment?Listasmanyasyoucan.Themoreyoulist,thegreeneryouare.GoodHabits1.Turnoffthelightswhenyouleavearoom.2.Walkorrideabikeinsteadoftakingabusorataxi.

3.Takeaclothbagwhenyougoshopping.4.Don'tuseplasticbags.仁爱英语九年级unit2topic3sectionC(1)UsefulexpressionsInmanycountries,peopleproducepowerfromcoalornuclearenergy.It’sapitythatit’stooexpensivetouseinmostofChina.仁爱英语九年级un