2019-2020年高二英语Unit9 Saving the earth The First Period 人教版

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1、2019-2020年高二英语Unit9SavingtheearthTheFirstPeriod人教版1．BriefStatementsBased0ntheUnitInthisunit，Sswilldosomelisteningspeaking，readingandwritingpractice．Also,theywilllearntousetheInversion．Inthefirstperiod，Sswi1limprovetheirspeakingabilitybytalkingaboutnatureecologyandtheenvironmentan

2、dtheywilllistentosomelisteningmaterialaboutourenvironment．Afterthestudyofthisperiod，theywillimprovetheirspeakingandlisteningabilitiesandalsoknowsomethingabouttheproblemsfacingtheearth．Inthesecondperiod，SswillreadapassageabouttheEarthSummit．FromthepassageSswillknowmoreabouttheimpo

3、rtanceofprotectingourearth．Inthethirdperiod．Sswillstudythegrammaritem：Inversion．Afterdoingsomeexercisesprovidedinthisperiod．andwiththehelpoftheteacher，SswillknowhowtousetheInversion．TeachermayprovidemoreexercisesforSstoconsolidateifnecessary．Inthelastperiod，Sswilllistentotwospeec

4、hesfromtheEarthSummitandfinishthepracticeprovidedinthefirstpart．SswillknowmoreabouttheEarthSummitandimprovetheirlisteningability．Inthewritingpart,Sswillimprovetheirwritingabilitybywritinganevaluationparagraphwiththehelpofsomegivenexpressions．Afterthestudyofthisunit．Sswillknowhowt

5、osupportanopinion，andtheywillknowmoreaboutenvironmentprotection．Theywillknowthatifallofusmakesmallchanges．wecouldmakeabigdifference．Theywilldomoretoprotectourearth．II．TeachingGoals1．Talkaboutnatureecologyandthe、environment．2．Practisesupportinganopinion．3．Learntouseinversion．4．Wri

6、teanevaluationparagraph．III．Teachingtime：FiveperiodsIV．BackgroundInformation1．ProtectTheOzoneLayerInthemiddleofwinter，whensnowisfallinginmanypartsoftheUnitedStates,scientistshavesoundedawarningtopeoplewhoplantospendmanyhoursinthesunthissummer．Thewarning：Thesun'ssummer-timeraysare

7、moredangerousthanoncethought．Ateamofscientistsfrom80nationsrecentlyreportedtotheUnitedNationsthatalayerofozoneintheatmosphere,whichprotectshumansfromharmfullevelsofultravioletradiation，willbethinnerovertheUnitedStatesthissummer．Thethinner1ayerallowsmoreultravioletraysfromthesunto

8、reachtheearth．Theextraamountofultraviole