Topic1Pollutionhascausedtoomanyproblems.SectionDThekeypointsanddifficultpoints1.Keypoints:Wordsandphrases:coal,create,blood,planet,inmanyways,withthedevelopmentofindustry,highbloodpressureGrammar:thedifferencesbetweenthesimplepastandpresentperfect2.Difficultpoints：能根据关键词复述课文。能够进行同义句转换，用不同的短语表达相同的意思。Teachingprocedures:Stage1GettingstudentsreadyforlearningLettheSsfillintheblankswiththecorrectformsofthegivenwords.1）Themanworkingina_________factorygoesdeafbecauseoftheloud_______.(noise/noisy)2）Burningcoalcan______theair,andwecallitair_______.(pollute/pollution)3）Usingtoomanychemicalsinthelandcancause________foodandit’sbadforpeople’s________.(health/healthy/unhealthy)4）Stronglightis_______tooureyesanddoesgreat_______ourbody.(harm/harmful)5）Mrs.Zhoucanhardly________becauseofthebadair.Andsheoftencoughsdayandnight,outof________.(breath/breathe)Stage2Lead-inLettheSslistwhattheyhavelearntinthistopicwiththeirgroupmembers,andthenfinishGrammarandFunctions.Stage3Pre-readingChecktheSs’HMKandencouragetheSstoreadtheirpassagesaboutpollutiontotheclass.Stage4While-readingStep1:LettheSsscan1aandfindthemainideaofthispassage.Step2:LettheSsreadthepassageagainandworkinpairstocompletethetableonPage34.Thenchecktheanswersinpairs.Stage5Post-readingStep1:LettheSsreadthearticlesentencebysentenceandfindthekeypointstheythink.WritethemdownontheBbandencouragetheSstoexplainthem.Step2:LettheSsfinish1b.Stage6FinishingprojectProject:LettheSsmakeawallnewspaperaboutpollution.Step1:Discusswhatkindsofpollutionsthepicturesshowandtheirbadeffects.Step2:Collectmoreinformationandpicturesaboutpollution.Thenmakeawallnewspaperaboutpollutioningroups.Stage7SummarizingandAssigninghomeworkHMK:LettheSsgooverwhattheyhavelearntaboutthistopic.Summarizethekeypointsontheexercisebook.
