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Unit2SavingtheEarthTopic1Pollutionhascausedtoomanyproblems.SectionAA:Wherehaveyoubeen/traveled?B:Ihavebeen/traveledto...

Haveyoueverhadapicnic?Kangkang,Jane,MariaandMichaelareplanningapicnicforSunday.TheywillgototheWestHill.Whatcanyouseethere?Wecanseebeesandbutterfliesd

ancing.beebutterflyIstheWestHillbeautiful?aplacewithbeautifulflowersmanyhillsgreentreesTheflowersandgrasshavegone!Oh,mygoodne

ss.Whatamess!Look!Thereareseveralchemicalfactoriespouringwastewaterintothestream.=havedisappeared.Isitbeautifulnow?Whathashappenedthere?wastewater

wastepaperWastewater.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.Pourredwineinto

theglass.1bListento1aandmarkthewordswithP(Past)orN(Now).____beautiful____butterflies____dirty____grass____terrible____factory____bees_

___fresh____clean____wastewaterPPNPNNPPPN1cRead1aandcompletethesentencesinthetable.Thenretell1atoyourpartner.TwoyearsagoNow1.Itwasa_______________

.2.Therewere_______________________.3.Theairwas_______________________andyoucouldsee______________________

_.1.___________________havegone.2.Thewateris________andsmells___________.3.Thereareseveral________________pouring_______________int

othestream.4._____________haschanged.beautifulplacelotsofflowersandgrassfreshandthewaterwascleanbeesandbutterfliesd

ancingTheflowersandgrasssodirtyterriblechemicalfactorieswastewaterEverything2Workinpairs.Lookatthepicturesandmakeupconversationssimilar

totheexamplewithyourpartner.Example:A:TherewerelotsofflowersandgrasswhenIvisitedthevillagelastyear.B:Butnowtheflowers

andgrasshavegone.A:Whathashappenedhere?B:Thevillagershavedestroyedthem.lake/fishfactory/pollutehill/treesfarmer

s/cutdownvillage/flowersandgrassvillagers/destroy4Workingroupsandtalkaboutpollutioninaplaceyouarefamiliarwith.Thefollowingsentencesm

ayhelpyou.…ago,itwas…Now,…have/hasgone.Whathashappened?Everythinghaschanged.Oh,mygoodness!3A.Listentothesentencesandnumberthepictures.5321461.Pe

ople_______________toomanytrees,soIdon’thaveenoughleavestoeat.2.Iliveintreesbutnowmanytrees_________

_.3.Ilikeleavesandgrass,butnowthey_________________.4.I__________hungryformonthsbecauseoflessbamboo.5.Humanpollutedthesea,soI__

_____________.6.Thewater__________manyyearsago.Butit_______________formetoliveinnow.B.Listenagainandcompletethesentences.havecu

tdownhavegonehavedisappearedhavebeendon’tlivehappilywascleanistoodirty单项选择()1.Look!Therearesomeboys________ontheplayground.A.playfootballB

.areplayingfootballC.playingfootballD.playsfootball()2.—I’msorryIcan’tgoshoppingwithyou.Iamill.—________A.Whatamess!B.Whatashame!C.Whatapity!D.Band

C()3.—Don’t________water.Wemustsaveeverydropofit.—Sorry,Iwon’tdoitagain.A.wasteB.throwC.playD.leaveCDA用所给动词的适当形式填空。1.Wh

enIenteredtheroom,IsawMaria________(read)aChinesebook.2.Whatashame!Theflowersandtreesinthepark_________(go).3.Everythin

g_____________(change)inthepastfewyears.4.Pandasdon’thaveenoughbamboos________(eat)nowbecauseofthepollution.5.—Wherehavetheybeen?—Th

ey__________(be)totheGreatWall.They_______(have)agoodtimetherethedaybeforeyesterday.readinghavegonehaschangedtoeathaveb

eenhad1.Expressexclamation:Whatamess!Whatashame!Oh,mygoodness!2.KnowthedifferencesbetweenSimplePastandPr

esentperfect.Itwasabeautifulplace.Everythinghaschanged.1.Somewords:bee,butterfly,mess,shame,several,pour,waste,destroy,pollute,goodness

2.Somephrases:seesb.doingsth.pour…into..3.Somesentences:Thereare…doing…Homework1.Read1a.2.WriteapassageaccordingtoPart4.3.FinishS

ectionAinyourworkbook.4.PreviewSectionB.