SectionB(3a-SelfCheck)Unit13We’retryingtosavetheearth. 3aThinkabouttheenvironmentinyourtown/cityandcompletethechartbelow.Whichpartsofthetown/cityhaveaniceenvironment?Whyaretheynice?Whichpartsneedtobeimproved?Why?GoodenvironmentWhy?BadenvironmentWhy? SampleGoodenvironmentWhy?BadenvironmentWhy?CentralParkclean,freshair,fullofgreenplants,quietandpeacefulrubbishdisposalareasatthebottomofapartmentblocksrubbishspillingoutofthebins,badsmells,unhealthy,fullofpests（害蟲(chóng)） 3bWritealettertothecitymayorabouttheproblemsandyoursuggestions.Inyourletter,describetheenvironmentalproblemsinyourtown/city.Whataretheproblems?Wherearethey?Whatorwhoiscausingtheseproblems?Then,givesuggestionsorpossiblewaystosolvetheproblems.Ithinkthat...Weshould/could...Isuggest...市長(zhǎng) Writingtips1.體裁：應(yīng)用文（書(shū)信）2.話題：保護(hù)環(huán)境3.時(shí)態(tài)：一般現(xiàn)在時(shí)4.人稱(chēng)：以第一人稱(chēng)為主 LessismoreItmightbebettertofocusononeproblemandwriteaboutitindetailinsteadofwritingaboutmanyproblemsandnotprovidingenoughdetails.Writingtips Writealetterabouttheenvironmentalproblemsandyoursuggestions.1.Whataretheproblems?2.Wherearethey?3.Whatorwhoiscausingtheseproblems?4.Howcanwesolvetheproblems?5.Sayyourhope. Everyoneinthistownshouldplayapartincleaningitup.Tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.Theriverusedtobesoclean.Let’stakeactionnow!Allthesesmallthingscanaddupandbecomebigthingsthatcanimprovetheenvironment.Goodsentences SamplewritingDearSir/Madam,IhavelivedinthistowneversinceIwasbornandIlovethistownverymuch.時(shí)態(tài)用一般現(xiàn)在時(shí),以第一人稱(chēng)為主注意書(shū)信的格式多種句型陳述問(wèn)題Ithinkthattherearebeautifulareasinthistown,buttherearealsoareasthataren’tattractive,liketherubbishdisposalareasatthebottomofourapartmentblocks.Thereisrubbishcomingoutofthebins,andflies,cockroachesandratsrunningallovertherubbish.Itisunpleasanttolookat,smelly,anditmakestheenvironmentveryunhealthy. Theproblemisthattherubbishcollectorsdonotcomeoftenenoughtocollecttherubbish.Thepeoplelivingheremayalsobethrowingawaytoomuchrubbish.Wecouldtrytoaskpeopletoproducelessrubbish.Isuggestthatrubbishcollectorscollectrubbishmoreoftenaswell.提出產(chǎn)生問(wèn)題的原因，并給出建議 Ibelievethatabetterenvironmentcanbecreatedinthistownandweshouldallworktogethertoachieveit.Yoursfaithfully,WangXi注意書(shū)信格式提出希望和號(hào)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).