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1、Unit2SavingtheEarthTopic1SectionCⅠ.Learningaims.Newwords：deaf,environment,print,hearing,recently,disturb.Newphrases：notall…,beharmfulto…,quiteafew,recently,It’sreportedthat…,nobetterthan…,doharmto…,including…Newlanguages：1、Notallpeopleknownoiseisalsoakindofpollutionandisharmfultohu
2、mans’health.2、Manyoftheworkerswhoprintnewspapersandbookslosetheirhearing.3、ItwasreportedthatmanyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo.4、Itnotonlydisturbsothersbutalsodoesgreatharmtopeople’shearing.5、Manycountriesaretryingtosolveallsortsofenvironmentalproblems,inc
3、ludingnoisepollution.Ⅱ.自主预习英汉互译：1、对人类健康有害2、不是所有的人3、在噪音条件下4、变聋5、loseone’shearing6、nobetterthan7、inpublic8、对……有（很大）害处9、各种写出下列单词的音标并写出他们在文中的词性、词义：deaf//____________________environmental//____________________print//____________________hearing//____________________recently//____________
4、________disturb//____________________Ⅲ.合作探究1、Firstly,checktheexercisesinthepreview.2、Secondly,read1aandfinish1c.1)Underlinethetopicsentenceofthepassagein1a.2)Howdoesnoiseharmpeople’shealth?3)Whichphrasehasthesamemeaningas“isharmfulto”?4)Whichsentenceshowsthatmanyteenagers’hearingin
5、Americaisnotgood?5)WhyisthehearingofmanyyoungAmericansnotgood?6)Hasnoisepollutioncausedyouanyproblems?Ifyes,shareyourfeelingswithyourclassmates.3、Thudly,Read1aagainandfinish1b.Ⅳ.当堂评价1、LettheSsread1a,andthentalkaboutsomethingaboutnoisepollution.2、DoPart2,Completethefollowingpassagew
6、iththecorrectformofeachwords.Noiseisakindof__________(pollute).Carsandmachinesproducetoomuchnoise.Itmakespeoplefeel__________(comfortable)and__________(pleasant).Italsodoesgreat__________(harm)toPeople’s__________(hear).Noiseisvery__________(harm)tohumans’__________(healthy).3、Chec
7、ktheanswer.Ⅴ.拓展提升1、Chooseonekindofpollutionanddiscussitingroups.Thefollowingquestionmayhelpyou.1)Whatis…pollution?2)Whatmakesthe…pollution?3)Whatproblemsdoesitcause?4)Inwhatwayisitharmfultopeople’slife?5)Whathasbeendonetosoloetheseproblems?2、Afterdisussing,lettheSswriteashortreport
8、aboutakindofpollutionbased
