九年级英语上册 Unit 2 Saving the earth Topic 3 What can we do to protect the environment Section C课件 （新版）仁爱版.ppt

unit2savingtheearth topic3whatcanwedoathometoprotecttheenvironment sectionc课件1 usebut and whiletoanswerthefollowingquestions whatactivitiesshouldwedotoprotecttheenvironment whatactivitiesshouldn twedotoprotecttheenvironment 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 windisusedforproducingelectricityinmanyplaces lookatthefollowingpicturesandguessthemeaningoftheunderlinedword moreandmorepeopleareinterestedinelectriccars lookatthefollowingpicturesandguessthemeaningoftheunderlinedword themaglevtraininshanghaiusesmagnets themagnetspushthetrainforward lookatthefollowingpicturesandguessthemeaningoftheunderlinedwords peopleproducepowerfromcoal butitisverydirtyandcausesacidrain lookatthefollowingpicturesandguessthemeaningoftheunderlinedwords nuclearpoweriscleanbutitisverydangerous lookatthefollowingpicturesandguessthemeaningoftheunderlinedword read1aandanswerthefollowingquestions whyisn tcoalagoodmaterial whatisthedisadvantageofusingnuclearpower whatdoyouthinkofelectriccars whatdoyouthinkofthemaglevtrain itisverydirtyandcausesacidrain nuclearpowercanbeverydangerous itisquietandquick theyareveryefficientandcostverylittletorun choosetherightpictureforeachparagraphof1a a b c chinaisoneofthefirstcountriesintheworldtousebiogastechnology farmersrecyclestraw grassandanimalwastetomakebiogas thisrenewableenergyisusedinpeople severydaylife electricvehiclesweredevelopedinthe1990s nowthereareelectricvehiclesinmanycountries theyareveryefficientandcostverylittletorun althoughelectricvehiclesproducenopollution therewillbeanincreaseinelectricityneedsiftheyarewidelyused inchina thebest knownmaglevtrainisthegerman builtoneinshanghai ittakespeoplejust7minutestogototheairport30kmawayandreachesatopspeedof431kmperhour itisquietandquick thereisnowheelnoise becausetherearenowheels maglevtrainsareveryenergyefficientanddonotpollutetheair however maglevguidepathsaremuchmoreexpensivethantraditionalsteelrailways 1b workalone read1aagainandfilloutthefollowingtable renewable efficient cheap nopollution quiet quick energryefficient nopollution itwillcauseanincreaseinelectricityneeds muchmoreexpensivethantraditionaltrains a therearemorethan3000powerstationsintheworldthatproduceelectricitybyburninggarbagetoheatwater b peopleusethemovementofwatertoproduceelectricity c windisusedforproducingelectricityinmanyplaces d peopleproduceelectricityfromthesun 图文搭配 a b d c fillintheblanksusingbut and thoughandwhile 1 it sraininghard hekeepsonworkingoutside 2 kangkangcansolvetheproblem ican t 3 mr linisverykind heisveryhumorous 4 thesuitfitsmewell ican taffordit though while and but usebut and thoughandwhiletodescribethewaysofproducingpower 3 writtenwork whatgoodhabitsprotecttheenvironment listasmanyasyoucan themoreyoulist thegreeneryouare goodhabits 1 turnoffthelightswhenyouleavearoom 2 walkorrideabikeinsteadoftakingabusorataxi 3 takeaclothbagwhenyougoshopping 4 don tuseplasticbags usefulexpressionsinmanycountries peopleproducepowerfromcoalornuclearenergy it sapitythatit stooexpensivetouseinmostofchina workingroupsthinkofmorewaystoproducepower andtalkabouttheiradvantagesanddisadvantages manypeopleintheworldaretryingtoprotecttheenvironment areyouagreenerperson answerthefollowingquestionstoseehowgreenyouare areyouagreenerperson answerthefollowingquestionstoseehowgreenyouare 1 doyouusuallyrecyclenewspaperorcans often seldom never 2 doyouusuallytake abathashower3 whatdoyouusuallydowhenyouseeotherslittering stopthem pickthelitterup donothing areyouagreenerperson answerthefollowingquestionstoseehowgreenyouare areyouagreenerperson answerthefollowingquestionstoseehowgreenyouare 4 whenyoumakeashortjourney doyouusually walkorrideabikegobycargobybus areyouagreenerperson answerthefollowingquestionstoseehowgreenyouare 5 whattypeofbagsdoyouoftenuseforshopping basketsorclothbags reusedplasticbags newplasticbags areyouagreenerperson answerthefollowingquestionstoseehowgreenyouare 6 howoftendoyouturnoffthelightswhenyouleavearoom nearlyalways seldom never areyouagreenerperson answerthefollowingquestionstoseehowgreenyouare 7 howoftendoyouusepapertowels often seldom never canyouaskmorequestionstoseehowgreenyourclassmatesare score 0 4youhavenotstartedturninggreenyet 5 9youarepalegreen 10 13youaremediumgreen tryharder