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1、Unit2SavingtheEarthTopic2Alltheseproblemsareveryserious.SectionB导子中学徐仲良TomTom’sfatherTomisverysad,heisleaving.Doyouknowwhy?TomTom’sfatherTomisverysad,heisleaving.Doyouknowwhy?cutdownTomTom’sfatherTomisverysad,heisleaving.Doyouknowwhy?daybyday,fewerandfewertrees
2、TomTom’sfatherTomisverysad,heisleaving.Doyouknowwhy?asaresult，thelandchangedintodesert.Asstudents,whatshould/shouldn’twedo?PlantmoretreesAsstudents,whatshould/shouldn’twedo?savewatercareforwildanimals野生的Don’tspitanywhereinpublicDon’twalkongrassDon’tpickflowers.
3、Don’tleaverubbishhereandthereAirpollutionRead1aandcompletethetable.ShoulddoShouldn’tdo1.______________wildanimals.2.Plant__________________.3.Do_______________wecan.1.___________rubbishhereandthere.2.__________anywhereinpublic.3._________ongrass.4.Pick_________
4、____.CareforLeavemoretreesSpiteverythingWalkflowersRead1aandanswerthefollowingquestions.Whataretheytalkingabout?2.WhyisairpollutionaseriousprobleminChina?Theyaretalkingaboutairpollutionandenvironmentprotection.BecauseChinahasbecometheworld'slargestproducerandus
5、erofcoal.Usefulexpressions1.ItsaysthatChinahasbecometheworld’slargestproduceranduserofcoal.2.Asaresult…3.Butthegovernmentisdoingsomethingusefultoprotecttheenvironment.4.Everyoneshouldcareforwildanimalsandplantmoretrees.5.Weshoulddoeverythingwecantoprotecttheenv
6、ironment.Observethefollowingsentences:(1)Icouldn’tseeanything.(2)Westillneedtodosomethingtoprotecttheenvironment.(3)Everyoneshouldcareforwildanimals.(4)Weshoulddoeverythingwecantoprotecttheenvironment.Grammar:indefinitepronoun(不定代词）1.不定代词的含义：不明确指代某些事物或某些人的代词。2.
7、不定代词有哪些？somebody,someone,something,(some-)anybody,anyone,anything,(any-)none,nobody,nothing,(no-)everybody,everyone,everything,(every-)3.不定代词的用法(1)Isawsomeoneintheroom.(2)Wouldyoulikesomethingtodrink?(3)Icouldn’tseeanything.[1]some-复合代词一般用于肯定句及期待肯定回答的疑问句，any-复合
8、代词用于否定句和疑问句。Somebodyhasturnedoffthelight.Everythinggoeswell.一切进行顺利【2】不定代词作主语时，谓语动词用单数。Butthegovernmentisdoingsomethingusefultoprotecttheenvironment.[3]形容词修饰不定代词时应放在不定代词后面下面的
