八年级英语下册 chapter 2 pollution fighters学案牛津上海版

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1、Chapter2PollutionFighters一Learningaims:1．通过阅读，了解树木对于环境的作用。2．学会查阅书籍的目录。二Mainphrases:WordschemicalcommunicatenastynaturaloxygenpurereleasehectaresupposewarnhardlysipPhrases1．averageages平均年龄2．magnoliatrees白玉兰树3．sweet-smellingflowers气味芬芳的花朵4．beknownas...被誉为5．collectsomefactsf

2、or...为......收集一些事实材料6．aclassprojectonpollution一个有关污染的班级实践项目7．interviewsb.aboutsth.就有关......采访某人8．beinterestedin(doing)sth.对......感兴趣9．livingthings生物10．make...lessnoisy减少......的噪音11．ontheendof...在......顶端12．sipaCoke小口地喝些可乐13．breathepureair呼吸纯净的空气14．thank...for(doing)sth.为.

3、.....而感谢某人15．naturalairconditioners天然空调16．harmfulgas有害气体17．take…from…把......从......中拿走18．release…into…释放......进入19．oneandahalfhectaresoftrees一公顷半的树林20．produceenoughoxygen产生足够的氧气21．keep…alive使......存活22．aswellas也,同样23．forexample例如24．warnsb(not)todosth告戒某人(不要)做某事25．warnsb.o

4、fsth.预告/预先通知某人某事26．protectoneselfbydoingsth.通过......保护自己27．produceachemical产生一种化学物质28．make…dosth.使某人做某事29．tastenasty尝起来令人作呕的30．join…together把......连在一起31．pass…around传递......32．communicatewithsb.和......交流/交际33．oneanother=eachother互相34．indanger处于危险中35．hardlyany=almostno几乎没有

5、36．ourbestfightersagainstpollution我们最好的反污染卫士Sentencepatterns1.Treescooltheairaswellascleanit.2.Theymakestreetsmorebeautifulandlessnoisy.3.Treesarecommunicatingwithoneanother.三Languagepoints:1．onearth=intheworld在世界上ontheearth在地球上2．livinga.alivenow有生命的作定语e.g.He’stheworld’sm

6、ostfamouslivingartist.他是世界上最著名的仍然健在的艺术家。alivea.living;notdead活着的做表语e.g.Ididn’tknowifhewasaliveordead.我不知道他是死是活。3makesb./sth.tobeorbecomesth.make+n.+adj.使某人或某物变得。。。e.g.Thenewsmadehimveryhappy.这条消息使他很高兴。makesb./sth.dosth.让某人做某事e.g.Mymothermademewashthedishesafterdinner.妈妈让我

7、吃饭后洗衣服。bemadeof由。。。制成（看得出原材料）bemadefrom由。。。制成（看不出原材料）bemadein在。。。制成4.less+adi.原级位于形容词或副词前与more+形容词或副词及加er构成的比较级意思相反noisya.noisilyadv.5.attheendof在。。的尽头atthebeginningof在。。。的开始6．breathev.totakeairintoyourlungsandsenditoutagainthroughyournoseormouthbreathein吸入breatheout呼出bre

8、athn.呼吸的空气7．keepsb./sth.+adj.使。。。保持某种状态e.g.Anair-conditionercankepttheroomclean.Keep可作系动词，后面直接加形