资料简介
SectionB(3a-SelfCheck)Unit13We’retryingtosavetheearth.
3aThinkabouttheenvironmentinyourtown/cityandcompletethechartbelow.Whichpartsofthetown/cityhaveaniceenvironment?Whyaretheynice?Whichpartsneedtobeimproved?Why?GoodenvironmentWhy?BadenvironmentWhy?
SampleGoodenvironmentWhy?BadenvironmentWhy?CentralParkclean,freshair,fullofgreenplants,quietandpeacefulrubbishdisposalareasatthebottomofapartmentblocksrubbishspillingoutofthebins,badsmells,unhealthy,fullofpests（害虫）
3bWritealettertothecitymayorabouttheproblemsandyoursuggestions.Inyourletter,describetheenvironmentalproblemsinyourtown/city.Whataretheproblems?Wherearethey?Whatorwhoiscausingtheseproblems?Then,givesuggestionsorpossiblewaystosolvetheproblems.Ithinkthat...Weshould/could...Isuggest...市长
Writingtips1.体裁：应用文（书信）2.话题：保护环境3.时态：一般现在时4.人称：以第一人称为主
LessismoreItmightbebettertofocusononeproblemandwriteaboutitindetailinsteadofwritingaboutmanyproblemsandnotprovidingenoughdetails.Writingtips
Writealetterabouttheenvironmentalproblemsandyoursuggestions.1.Whataretheproblems?2.Wherearethey?3.Whatorwhoiscausingtheseproblems?4.Howcanwesolvetheproblems?5.Sayyourhope.
Everyoneinthistownshouldplayapartincleaningitup.Tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.Theriverusedtobesoclean.Let’stakeactionnow!Allthesesmallthingscanaddupandbecomebigthingsthatcanimprovetheenvironment.Goodsentences
SamplewritingDearSir/Madam,IhavelivedinthistowneversinceIwasbornandIlovethistownverymuch.时态用一般现在时,以第一人称为主注意书信的格式多种句型陈述问题Ithinkthattherearebeautifulareasinthistown,buttherearealsoareasthataren’tattractive,liketherubbishdisposalareasatthebottomofourapartmentblocks.Thereisrubbishcomingoutofthebins,andflies,cockroachesandratsrunningallovertherubbish.Itisunpleasanttolookat,smelly,anditmakestheenvironmentveryunhealthy.
Theproblemisthattherubbishcollectorsdonotcomeoftenenoughtocollecttherubbish.Thepeoplelivingheremayalsobethrowingawaytoomuchrubbish.Wecouldtrytoaskpeopletoproducelessrubbish.Isuggestthatrubbishcollectorscollectrubbishmoreoftenaswell.提出产生问题的原因，并给出建议
Ibelievethatabetterenvironmentcanbecreatedinthistownandweshouldallworktogethertoachieveit.Yoursfaithfully,WangXi注意书信格式提出希望和号召
SelfCheck1.Writedifferentformsofthewords.Thenaddmoretoeachgroup.v.—n.n.—adj.pollute—fame—act—wood—protect—science—inspire—health—build—south—create—care—pollutionfamousactionprotectioninspirationbuildingcreationcreativitywoodenscientifichealthysoutherncareful
adj.—n.adj.—adv.different—slow—important—wide—sudden—real—differenceimportanceslowlywidelysuddenlyreally
Addmorewordstoeachgroup.v.—n.:educate—education,meet—meeting,paint—paintingn.—adj.:wool—woolen,north—northern,wind—windyadj.—n.:silent—silence,patient—patience,absent—absenceadj.—adv.:actual—actually,quick—quickly,sure—surely
2.Matcheachstatementwiththegrammarstructure.StatementGrammarTheriverusedtobesoclean.PresentprogressiveWehaveseenmanychangesintheenvironment.ModalverbsPeopleshouldtakepublictransportationmore.PassivevoiceTheriverispollutedbyfactories.usedtoTheairpollutionisgettingworseandworse.Presentperfect
3.Writewaystocutdownonthesekindsofpollution.KindsofpollutionWaystocutdownwaterpollutionlandpollutionnoisepollutionairpollution
KindsofpollutionWaystocutdownwaterpollutionlandpollutionnoisepollutionairpollutionaskfactoriesnottothrowwasteintotherivers;remindpeoplenottolitterensurethatfactoriesdisposeofindustrialwasteinaresponsibleway;trynottouseplasticbagswhenshoppingbuildairportsawayfromplaceswherepeopleliveencouragepeopletousepublictransportationinsteadofdriving;reducethenumberoffactoriesthatburncoal
Homework1.Rememberthewords,expressionsandsentencesinthisunit.2.PreviewUnit14SectionA(1a-1c).
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