九年级英语下册 Module 2 Unit 3 The environment reading课件 （新版）牛津深圳版.ppt

theenvironment unit3 reading warmingup whatdothepicturestellus haveadiscussion whatwillhappentotheearthifwekeeppollutingit howcanwereducepollution ourearthisindanger a1whatdoyouknowaboutthegreenhouseeffect matchthefirsthalfofthesentencesincolumnawiththesecondhalfincolumnb writethecorrectlettersintheblanks thereisanatmosphere itcontrolshowever wearepollutingthegasescausetheatmospheretheearthisgettingwecallthis athegreenhouseeffectbtheearthwithharmfulgasescwarmerandwarmerdtokeepintoomuchheatfromthesunearoundtheearthftheearth stemperature a b thegreenhouseeffect温室效应 whatcanwedo finishatest howgreenareyou 1 doyourecyclea newspapers 1 b tins 1 c plasticbags 2 2 whenyoumakeashortjourney doyoua walkorcycle 3 b gobycar 0 c gobypublictransport 1 3 whattypeofbagsdoyouuseforshopping a reusable e g basket 3 b reusedplastic1 c newplastic0 4 howmanypiecesofelectricalequipmentareusedinyourkitchen a 10ormore0 b 5to91 c below52 5 doyoumakesurethatlightsandotherelectricalequipmentareswitchedoffwhennotneeded a nearlyalways2 b seldom1 c never0 6 doyouusedisposablechopsticks a often0 b seldom1 c never2 7 doyouusepapertissues a often0 b seldom1 c never2 8 doyouusuallytake a abath0 b ashower1 whoisthe greenest inyourclass lookatthepictures thetitle theintroductionandthesub headingsofthearticleonpage35 thenanswerthequstionsbelow beforeyouread theworldisindanger themainproblemsweface thegreenhouseeffect cuttingdownforestsandbadhabits agreenconsumerissomeonewhoonlybuysproductsfriendlytotheenvironment 1 whatisthearticlemainlyabout 2 whatproblemsdoesthearticlediscuss 3 aconsumerissomeonewhobuysandusesthings canyouguesswhatagreenconsumeris reading readingtips 在阅读每个段落时 要注意综合运用略读 skimming 与扫读 scanning 这两种方法 略读 skimming 只看文章标题 下标题以及每个部分或者段落第一行 关注文章中反复出现的关键词 略读时 要用充足的时间读懂段落的第一句和第二句 因为第一句往往是该段的主题句 topicsentence 而第二句往往是对前句的延伸 extension 或进一步的解释 explanation 通过略读把握文章大意 now skimmingtogetmainideas readthefirstparagraphandfindoutthemainidea ourworldisindanger readthesecondparagraphandfindoutthemainidea theatmospherearoundearthisimportanttoalllivingthings readthethirdparagraphandfindoutthemainidea cuttingdowntreescausemanyproblems readthethirdparagraphandfindoutthemainidea badhabitscausepollution rubbishshouldbethrownawayinrightwayorweshoulduserecyclingthings readthelastparagraphandfindoutthemainidea begreenconsumersandtrytobuyanduseproductsfriendlytotheenvironment thewritersaysthatitisindanger 2 itisnecessaryforalllivingthings 3 co2comesfromburningthem 4 thiscausessealeveltorise 5 itcausesthesurfaceofthesoiltobeeasilydestroyedbyrain 6 manyofourhabitscausethis theworld theatmosphere fuels theincreasingtemperature cuttingdowntrees pollution d2readthearticleagainandcirclethecorrectanswers 1 becauseofpollution notenoughsunlightisreachingearthtoomuchheatisleavingtheearthnotenoughco2isleavingtheearth2 iftherearemoretrees theamountofco2intheatmospherewillbe greaterlessc thesame 3 wecanhelpprotecttheenvironmentifwe changeourbadhabitsbecomeconsumersbuymoreproducts4 thepurposeofthearticleistomake peopledomoretoprotecttheenvironmentmorepeoplebecomeconsumersc peoplelearnmoreabouttheenvironment languagepoints 1 原句再现 itisliketheglassofagreenhouse 它像温室的玻璃 belike looklike像 什么样子 如 你妈妈长什么样子 whatisyourmotherlike whatdoesyourmotherlooklike mymotherisatallwomanwithshorthair likeprep 像 50年后的世界会是什么样子 whatwilltheworldbe looklikein50years ourlifewillbemorewonderful 2 原句再现 thiscausessealeveltorise andinthefuturemaycausecitiestodisappear 这使得海平面上升 在未来会使得城市消失 如 什么使得你犯了那个愚蠢的错误 whatcausesyoutomakethesillymistake causesbtodosth使某人做某事 3 原句再现 cuttingdowntreesalsodestroysthehomesoftheanimalsthatliveinourforests andcausesthesurfaceofthesoiltobeeasilydestroyedbyrain 如 做运动对我们的身体健康很重要 exerciseisimportanttoourhealth do cuttingdowntrees destroys andcauses为v ing作主语 谓语动词用单数 doing 4 原句再现 peopleoftenusethingsonceandthenthrowthemaway orleavethemonthegroundaslitter 人们经常会把用了一次的东西扔掉 或者当垃圾丢弃在地上 throwthem itawaypickthem itup throwthemaway中的them为代词 代替前面的things 不可以说throwawaythem pickupthem it leave意为遗留 落下 x 5 原句再现 weshouldalsorecycleasmanythingsaswecan 我们也应该尽我们所能地多重复利用东西 如 我们应该尽可能多的帮妈妈做家务 weshoulddowetohelpourmother weshoulddotohelpourmother as assbcan as aspossible尽可能 的 asmuchhomeworkascan asmuchhomeworkaspossible phrases 1 在危险中2 保护环境3 温室效应4 生物5 像 6 阻止 发生 7 和 一样 8 引起 9 太多热量 beindangerprotecttheenvironmentgreenhouseeffectlivingthingsbelikekeep stop fromdoingsththesameascausesbtodosthtoomuchheat 10 由于11 砍伐12 破坏自然13 使 更差14 吸收二氧化碳14 产生氧气15 造成 导致16 引起污染17 扔掉 cutdowndestroynaturemakesth worsetakein absorbco2produceoxygenresultincausepollutionthrowaway asaresultof becauseof 18 大量的19 为了20 保护环境21 采取行动22 和 不同23 有利于环境的产品24 尽我们可能多的25 有作用 有影响 mountainsof lots