unit 2 topic 1 section a

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1、Unit2SavingtheEarthTopic1Pollutionhascausedtoomanyproblems.SectionAA:Wherehaveyoubeen/traveled?B:Ihavebeen/traveledto...Haveyoueverhadapicnic?Kangkang,Jane,MariaandMichaelareplanningapicnicforSunday.TheywillgototheWestHill.Whatcanyouseethere?Wecanseebeesandbutterfliesdancing.beebutterflyIstheWes

2、tHillbeautiful?GuessaplacewithbeautifulflowersBrainstormmanyhillsgreentreesWhatashame/mess!Theflowersandgrasshavegone!Theflowersandgrasshavegone!Oh,mygoodness.Whatamess!Look!Thereareseveralchemicalfactoriespouringwastewaterintothestream.=havedisappeared.Isitbeautifulnow?Whathashappenedthere?P271

3、amp3wastewaterwastepaperWastewater.浪费水。Don’twastepaper.不要浪费纸。wasteadj.v.Thereareseveralchemicalfactoriespouringwastewaterintothestream.有几家化工厂正在往小溪里排放废水。Therebe…doingsth………有……在做某事e.g.Therearesomepeoplewaitingforthebusatthebusstop.倒出；倾泻pour…into…把……倒入……e.g.Pourredwineintotheglass.1bListento1aandma

4、rkthewordswithP(Past)orN(Now).____beautiful____butterflies____dirty____grass____terrible____factory____bees____fresh____clean____wastewaterPPNPNNPPPN1aListen,lookandsay.1cRead1aandcompletethesentencesinthetable.Thenretell1atoyourpartner.TwoyearsagoNow1.Itwasa_______________.2.Therewere__________

5、_____________.3.Theairwas_______________________andyoucouldsee_______________________.1.___________________havegone.2.Thewateris________andsmells___________.3.Thereareseveral________________pouring_______________intothestream.4._____________haschanged.beautifulplacelotsofflowersandgrassfreshandt

6、hewaterwascleanbeesandbutterfliesdancingTheflowersandgrasssodirtyterriblechemicalfactorieswastewaterEverything2Workinpairs.Lookatthepicturesandmakeupconversationssimilartotheexamplewithyourpartner.Example:A:TherewerelotsofflowersandgrasswhenIvisitedthevillagelastyear.B:Butnowtheflowersandgrassha

7、vegone.A:Whathashappenedhere?B:Thevillagershavedestroyedthem.lake/fishfactory/pollutehill/treesfarmers/cutdownvillage/flowersandgrassvillagers/destroy4Workingroupsandtalkaboutpollutioninaplaceyouarefamiliarwith.Thefollowings