Unit 13 Were trying to save the earth!Section B(3a-Self Check)初中英语教学

第五课时：SectionB(3a-SelfCheck)

We’retryingtosavetheearth!Unit13

同学们，上一课学习的单词你们都掌握了吗？现在大家来检验一下，点击下面的音频开始听写吧！We’lllearnabouthowtowritearticlesaboutenvironmentproblemsandhowtoimproveit.Thinkabouttheenvironmentinyourtown/cityandcompletethechartbelow.3aGoodenvironmentWhy？BadenvironmentWhy？Whichpartsofthetown/cityhaveaniceenvironment？Whyaretheynice？Whichpartsneedtobeimproved？Why?Writealettertothecitymayorabouttheproblemsandyoursuggestions.3bInyourletter，describetheenvironmentalproblemsinyourtown/city.·Whataretheproblems?·Wherearethey?·Whatorwhoiscausingtheseproblems?Then，givesuggestionsorpossiblewaystosolvetheproblems.Ithinkthat...Weshould/could...Isuggest...SelfCheck1Writedifferentformsofthewords.Thenaddmoretoeachgroup.

v.—n.

n．—adj.

adj.—n.

adj.—adv.pollute—fame—different—slow—act—wood—important—wide—protect—science—sudden—inspire—health—real—build—south—create—care—pollutionfamed/famousdifferenceslowlyaction/actorwoodenimportancewidelyprotectionscientificsuddenlyinspiration

healthyreallybuildingsoutherncreativitycarefulSelfCheck2Matcheachstatementwiththegrammarstructure.StatementGrammarTheriverusedtobesoclean.PresentprogressiveWehaveseenmanychangesintheenvironment.ModalverbsPeopleshouldtakepublictransportationmore.PassivevoiceTheriverispollutedbyfactories.usedtoTheairpollutionisgettingworseandworse.PresentperfectSelfCheck3Writewaystocutdownonthesekindsofpollution.KindsofpollutionWaystocutdownwaterpollutionlandpollutionnoisepollutionairpollution单元知识浓缩用方框中所给单词或短语的适当形式填空。Thereismoreandmore___________1inourworld.Alotoftreesare__________2bypeople.Theycanprotectourairandtheyaremanyanimals'homes.Theairispollutedbecausetherearetoomanycarsontheroad.Thefactoriesthatburncoalalsoletouttheairwithalotofblacksmoke.Soweshouldwalkortakethebus___________3drivingthecar.Andwecanrideourbikes.Therearesome__________4ofbikeriding.Itisgoodforhealthanditdoesn't________5anything.pollutionmakeadifference，ugly，insteadof，advantage，litter,cost，wood，throw，pollution，cutdowncutdowninsteadofadvantagescostThereistoomuch________6andwasteinpublicplaces.Thisisturningbeautifulplacesinto________7ones.Ithinkweshouldbringsomebagswhenwegoshopping.Weshouldn'tuse__________8chopstickswhenwebuytakeawayfood.Andremember_________9rubbishinthebinsandkeeppublicplacescleanandbeautiful.Ouractionscan__________________10andleadustoabetterfuture!litteruglywoodentothrowmakeadifferencemakeadif