九年级英语上册Unitt-2-Saving-the-earth-Topic-1-Pollution-

Unit2SavingtheEarthTopic1Pollutionhascausedtoomanyproblems

.SectionC1/20Speakoutthenamesofthepollution.airpollutionlightpollutionlitterwaterpollutionsoilpollutionnoisepollution2/20noisepollutionNoiseisasort/kindofpollution.Thereareallsorts/kindsofnoises.Theymakeusuncomfortableandunpleasant.n.种类；v.把……分类adj.使人不舒适adj.令人不快3/20noisesmadebyLet’swritedownthethingsthatcanmakenoises.pianobuscatwind4/20Underlinethetopicsentenceofthepassagein1a.Giveapropertitletothispassage.Trytofindoutthetopicsentencetounderstandthecontentofaparagraph.Read1aandcompletethefollowingtasks.Task1Noiseisalsoakindofpollutionandisharmfultohuman’shealth.NoisePollution5/20Howdoesnoiseharmpeople’shealth?Task2a.Peopleoften__________.b.Peopleoftenfeel____________and__________.c.Peoplemaybecome_____or_____.d.Yourpoint:_____________________________.godeafuncomfortablesickunpleasantdeaf6/203.Whichphrasehasthesamemeaningas“isharmfulto”?4.Whichsentenceshowsthatmanyteenagers’hearinginAmericaisnotgood?5.WhyisthehearingofmanyyoungAmericansnotgood?Task3Answerthequestions.“doharmto”.ManyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo.Becausetheyalwayslistentoloudpopmusic.7/201.produceA.tohurtsomeone2.deafB.atypeorakind3.printC.notbeabletohear4.harmD.togrowormakesomething5.sortE.toputwordsorpicturesontopaperusingamachineTask41bRead1aandmatchthewordswiththeirmeanings.8/20a.Notallpeopleknownoiseisalsoakindofpollution.

_____________know(s)noiseisakindofpollution__________.b.ManyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo.InAmerica,manyteenagers’hearingis_____________65-year-oldpeople’s.Task5Changethefollowingsentencesintotheonesthathavethesamemeanings.Noteveryone/somepeopleaswellasweakasWHY?Becausetheyalwayslistentoloudpopmusic.9/20Peoplewhoworkandliveinnoisyconditions

oftengodeaf.在嘈杂环境中工作和生活人轻易变聋。Difficultsentences定语从句e.g.Beethovenwasdeaf.godeaf变聋e.g.He__________becauseofthetrafficaccident.wentdeafdeafadj.聋10/20…manyoftheworkerswhoprintnewspapersandbookslosetheirhearing.很多印刷报纸和书籍工人丧失听力。Difficultsentences定语从句e.g.Look!Themanisprintingsomething.loseone’shearing丧失听力aprinterhearingn.听力，听觉printv.印刷11/202Completethefollowingpassagewiththecorrectformofeachword.Noiseisakindof_________(pollute).Carsandmachinesproducetoomuchnoise.Itmakespeoplefeel___________(comfortable)and__________(pleasant).Italsodoesgreat______(harm)topeople’s_________(hear).Noiseisvery________(harm)tohuman’s_______(healthy).pollutionuncomfortableunpleasantharmhearingharmfulhealth12/20Hasnoisepollutioncausedyouanyproblems?Ifyes,shareyourfeelingswithyourclassmates.Whataboutotherkindsofpollution?3Chooseonekindofpollutionanddiscussitingroups.Thefollowingquestionsmayhelpyou.1.Whatis…pollution?2.Whatmakesthe…pollution?3.Whatproblemsdoesitcause?4.Inwhatwayisitharmfultopeople’slife?5.Whathasbeendonetosolvetheseproblems?…13/204Writeashortreportaboutakindofpollutionbasedon2and3.Thetopicsentenceofeachparagraphisgivenbelow.…pollutionis……pollutionisharmfultopeople’shealth…Thegovernmenthastriedmanywaystosolvetheproblem…14/20Onepossibleversion:Airpollutionisbecomingmoreandmoreseriousintoday’sworld.Somechemicalfactoriesproduceterriblegasandmaketheairbad.Busesandcarsalsoproducewastegas.Inourdailylife,burninggas,oilandcoalalsocreatesairpollution.Theairpollutionmaycausealotofproblems.Itisharmfultopeople’shealth.Itcancausebreathingproblems,soreeyesandevencancer.Itcanalsoharmtheplants,andthefarmerswillgetlessharvest.Luckily,thegovernmenthastriedmanywaystosolvetheproblem,suchasmakinglawstopreventthefactoryfrompollutingtheair.15/20Exercises单项选择()1.—Thelittlegirlwasborn____,andshecan’thearanything.—Oh,I’msorrytohearthat.A.lazy B.blindC.deaf D.lovely()2.—Whathappened?—Thereisagirl_____onthestreet.Shecouldn’tfindhermother.A.cry B.cryingC.tocry D.cries()3.The______boytriedtoclimbupthetree,buthefailed.A.5-year-oldB.5-years-oldC.5yearoldD.5yearsoldCBA16/20Exercises用所给单词正确形式填空。1.Theyaredoingtheirhomeworkcarefully.You’dbetternot________(disturb)them.2.Itisknownthatsmokingdoesgreat_______(harm)tous.3.Theyhadall______(sort)ofjuicetodrinkatthepartylastnight.4.Ourgovernmenthassolvedsome_____________(environment)problems.改为同义句。1.Theboyhadhearinglosswhenhewasborn.Theboy___________________whenhewasborn.2.SomestudentsgotoschoolonSaturdays._________studentsgotoschoolonSaturdays.disturbharmsortsenvironmentallosthishearingNotall17/20summaryWelearn:1.Findoutthetopicsentencetounders