选修六Unit4GlobalwarmingPeriod6.docx

1、Period 6Summing Up， Learning Tip and Assessment错误 !教案内容分析Thisisthelastteachingperiodofthisunit，sotheemphasisshouldbeplacedongoingoverandsummarizingwhathasbeenlearnedinthisunit.Itincludesthefollowingparts：SummingUp，LearningTip，CheckingYourselfandsomeotherconsolidationexercises. b5E2RGbCAPSummingUpsum

2、marizesthewholeunitfromtheaspectsoftopicsandvocabularyandgrammar.Theteachercanfirstusethisparttoletstudentssumupwhattheyhavelearnedinthisunitandthenletthemfindoutwhattheycantunderstandverywell. p1EanqFDPwLearningTipgivesstudentsinstructionsonwhichkindofnounsbeginwithacapitalletter.Letthestudentsthin

3、kaboutwhattheyalreadyknowabouttherulesandwhatnewinformationtheywillfind.DXDiTa9E3dCheckingYourselfonPage68intheWorkbookaimsatencouragingstudentstomakeaselfassessmentaftertheyfinishlearningthisunit.Itisveryimportanttoimprovetheirlearning.Ofcourse，atestingassessmentisalsoneededRTCrpUDGiT.Inthisperiod，

4、theteachercanalsoprovidemorepracticetoconsolidatewhatstudentshavelearnedinthisunit. 5PCzVD7HxA三维目标设计Knowledgeandskills1 Togetstudentstomasteralltheusefulnewwordsandexpressionsinthisunit. jLBHrnAILg2Tohavestudentsunderstandthenewgrammaritem“ theuseof it(2 ” better，andenablethemtousethesentencepattern

5、scorrectly.xHAQX74J0X3 Todevelopthestudentsabilitytousetheimportantlanguagepointsinthisunit.LDAYtRyKfEProcessandmethodsDesignsomeadditionalexercisesforstudentstodoinorderthattheycanlearntouseandgraspallthecontents.Zzz6ZB2LtkEmotion ， attitudeandvalue1 Toencouragestudentstolearnmoreaboutglobalwarming

6、andenvironmentalprotection. dvzfvkwMI12 Toinspirethestudentstothin kupmoreeffectivemeasurestopreventglobalwarming. rqyn14ZNXI 教案重、难点Usingwhattheyhavelearnedinthisunittosolverealproblems. EmxvxOtOco错误 !Step1Revision1 Checkthehomeworkexercises.2 Dictatesomeusefulnewwordsandexpressionsinthisunit. SixE2

7、yXPq5Step2Lead inAskthestudentstoturntoPage32.Thinkaboutwhattheyhavelearne dinthisunitandticktheboxestoseehowwelltheyhavelearnedthem. 6ewMyirQFLStep3SummingupFiveminutesforthestudentstosummarizewhattheyhavelearnedinthisunitbythemselves.Thenche1 / 6ckandexplainsomethingwherenecessary.kavU42VRUsSugges

8、tedanswers：Writedownwhatyouhavelearnedaboutglobalwarming：(Studentsanswersmayvary.ThetemperatureoftheearthroseaboutonedegreeFahrenheitduringthe20thcentury.Itishumanactivitythathascausedthisglobalwarming.Allscientistssubscribetotheviewthattheincreaseintheearthstemperatureisduetotheburningoffossilfuels

9、.Somebyproductsofthisprocessarecalledgreenhousegases ，whichtrapheatandwarmtheearth.Withoutthegreenhouseeffect，theearthwouldbecoolerthanitis.Butscientistsdontagreewitheachotherontheeffectsofglobalwarming.Somethinkitwillbeadisaster，butsomeothersthinkitsagoodthingandwecandonothingtopreventthetrend.Byre

10、adingthesecondpassage， wealsoknowsomeeasyandeffectivemeasureswecantaketodealwithglobalwarming. y6v3ALoS89Fromthisunityouhavealsolearned ：Someusefulwords ： tend ， oppose ， state ， glance ， quantity ， range ， tendency ， circumstance ， opposed， steady， widespread ， average， consume， subscribe， advocate

11、 ， refresh ， graph ， phenomenon ， fuel ， data ， trend ， catastrophe ， flood ， consequence， existence ， commitment ， pollution ， growth ， motor ， can ， microwave ， educator ， contribution ， presentation ， disagreement ， random ， mild ， outer ， electrical ， casual ，nuclear， perM2ub6vSTnPSomeusefulexpr

12、essions ： comeabout ， subscribeto ， quantitiesof ， goup ， resultin ，beopposedto， evenif ， keepon， onthewhole ， onbehalfof ， putupwith ， solongas， andsoon，greenhouseeffect0YujCfmUCw“ it ” howtouse “ it ” foremphasisinasentence.Newgrammaritem ：theuseofeUts8ZQVRdFunctionalitems：howtoexpressagreementand

13、disagreement，blameandcomplaint. sQsAEJkW5TStep4PracticeShowtheexercisesonthescreenorgiveoutexercisepapers.GMsIasNXkAPart1Vocabulary1 Researchersc_livingconditionsinLondonwiththoseinotherplaces.TIrRGchYzg2 Theirpricesarelowc_tothoseinothershops.3 Idontthinkanybodym_toherapartfromherself.4 Heprefersq_

14、toqualitywhenfoodisconcerned.5 Thed_wehavecollectedarenotenoughtobeconvincing. 7EqZcWLZNX6 Everythingwasinas_ofdisorder.7 Whatisthea_ra infallforAugustinyourcountry?8 Eachi_boyintheclasshashisownpersonalities.9 Wehavebeenhavingafewa_inthecommitteelately.10 Theywerep_inthehistoryofmusic.11 Asac_ofbei

15、nginhospital ， Shellydecidedthatshewantedtobecomeanurse.lzq7IGf02E12 Adoctorhasthet _ “ Dr ” infrontofhisname.13 Thenumberofthechildrenintheschoolhasd_by500thisyear. zvpgeqJ1hk14 Thecookerisntworkingbecause ofane_fault.15 Thefoodwascoldandtheguestsquarreled thewholedinnerwasac_. NrpoJac3v1Part2Usefu

16、lphrases1在 20 世纪期间 _2 / 62导致 _3另一方面 _4通过燃烧化石燃料_ _5大量的 _6忍受污染 _7有关系，有影响_8大体上，基本上_9高达 5 摄氏度 _10发生 _Part3Completethefollowingsentencesaccordingtothetexts.1nowfTG4KI1 Anenergysourceisrenewablewhensuppliesofitnever_. fjnFLDa5Zo2 Itisarapidincrease_. tfnNhnE6e53 Thereis_thattheearthisbecomingwarmingbutthe

17、reis_whetheritis_hascausedthisglobalwarmingorwhetheritis_.HbmVN777sL4_thegreenhouseeffect，theearth_aboutthirtythreedegreesCelsius_.V7l4jRB8Hs5 The_ofcarbondioxide_thatmoreheatenergyistrappedintheatmosphere_the_. 83lcPA59W96 Itwas_CharlesKeeling_made_theamountofcarbondioxideintheatmospherefrom1957to1

18、997. mZkklkzaaP7 Theyalsobelieve_theburningofmoreandmorefossilfuelsthatis_thisincreaseincarbondioxide. AVktR43bpw8 Therearesomeverydifferent_amongscientists_. ORjBnOwcEd9 SometimesIfeelthat_canthaveany_huge_problems. 2MiJTy0dTT10Finallyandmost_，talk_yourfamilyandfriends_globalwarmingandtellthemwhaty

19、ouhavelearned.gIiSpiue7A11 Remember your_.Part4Multiplechoice1 Isit_toyouthatthegovernmentishavingahardtimenow? uEh0U1YfmhA ofmuchimportantB ofmuc hconsequenceCofveryimportanceD ofmuchconsequentIAg9qLsgBX2 Somethingmustbedoneto_theriverfrom_.A stop； beingpollutedB stop； pollutingCprevent ；pollutionD

20、 keep； polluted3 There_quantitiesofapplesinthebasketandtherewas_milkinthebucket. WwghWvVhPEA were； anumberofB was；quantitiesof asfpsfpi4kCwas； agoodmanyD were； aquantityof4 _wegetgoodweatheritwillbeasuccessfulholiday.Whichiswrong? ooeyYZTjj1A SolongasB ProvidedthatCSolongD Onconditionthat5 Goforapic

21、nicthisweekend ， OK?3 / 6 _.Ilovegettingclo setonature. A IdontthinksoB IbelievenotCIcouldntagreemoreD Iamafraidnot6 Now ， whereismypurse? _！ Wewillbelateforthepicnic. A ComeonB DontworryCTakeyourtimeD Takeiteasy7 Itwasnotuntil1999_regularradiobroadcastbegan. BkeGuInkxIA whileB whichCthatD since8 Ca

22、nitbeintherestaurant_wehaddinnerlastSunday_youleftyourwallet?PgdO0sRlMoA where； whereB where； thatCthat； whereD that； that9 Whatsthematterwithyou? _thewindow ， myfingerwascutunexpectedly. A Cleaning B TocleanCWhilecleaningD WhileIwascleaning10Theotherday，mybrotherdrovehiscardownthestreetat_Ithoughtw

23、asadangerousspeed. 3cdXwckm15A asB whichCthereD whatSuggestedanswers：Part1Vocabulary1 pared3.matters4.quantity5.data6.state7.average8.individual9.agreements10.phenomena11.consequence12.title13.decreased14.electrical15.catastropheh8c52WOngMPart2Usefulphrases1 duringthe19thcentury2.leadto3.ontheotherh

24、and4.throughtheburningoffossilfuels/byburningfossilfuels5.agreatdealof/scoresof6.putupwiththepollutionv4bdyGious7makeadifference8.onthewhole9.asmuchasfivedegreesCelsius(5 eaboutJ0bm4qMpJ9Part3Completethefollowingsentencesaccordingtothetexts. XVauA9grYP1paredtomostnaturalchanges3.nodoubt；fiercedebate

25、over；humanactivitythat ； justanaturalphenomenon4.Without ； wouldbe ； coolerthanitis5.increasedamount ； means； causing； globaltemperaturetogoup6.ascientistcalled ； who ； accuratemeasurementsof7.itis ； resultingin8.attitudes ； towardsthisissue9.individuals ；effectonsuch； environmental10.importantly ；

26、with ； about11.contributioncounts bR9C6TJscwPart4Multiplechoice1 5BADCC6 10ACBDDStep5LearningtipAskthestudentstoturntoPage32.Readthroughthepassageandmakesuretheyunderstandit.EncouragethemtodoasthepassagetellsbecauseiftheyaredoingsotheywillbeteachingthemselvesausefulwayofusingEnglishwords. pN9LBDdtrd

27、Step6Assessment4 / 61 Checkingyourself(onPage68intheWorkbookFirstgetthestudentstothinkaboutthesequestionsindividually.Thentheycandiscussingroupssharingtheirexperience.Theteachercanjoininandgivethemadviceandsuggestionswherenecessary.DJ8T7nHuGT2 TestingassessmentMultiplechoice1 _withthesizeofthewholee

28、arth ， thebiggestoceandoesnotseembigatall.QF81D7bvUAA CompareB WhencomparingCComparingD Whencompared2 Pleasetellmehowtheaccident_.Iamstillinthedark. 4B7a9QFw9hA camebyB cameoutCcametoD cameabout3 Theaccident_thedeathoftwopassengers.A resultedfromB resultedinCresultedofD resultedwith4 Itisinthewestof

29、China_thereisnodoubt_itisgoingtoraintomorrow.ix6iFA8xoXA where； whetherB that； thatCthat； whetherD where； that5 Itwas1969_theAmericanastronautssucceededinlandingonthemoon. wt6qbkCyDEA thatB whenConwhichD which6 Itwas_backhomeaftertheexperiment.A notuntilmidnightdidhegoBuntilmidnightthathedidntgoCnotuntilmidnightthathewentD untilmidnightwhenhedidntgo7 Theressomedoubt_hellkeephispromise.A whetherB ifCthat D which8 The_parentswereall_forthechildrenssafety. Kp5zH46zRkA concerned； concernedBconcerned； concerningCconcerning ； conce