北師大版英語(yǔ)高二下冊(cè)《unit 22 environmental protection》word學(xué)案(1)

1、班級(jí):_________姓名:__________層次:_______Unit22EnvironmentalProtection導(dǎo)學(xué)案導(dǎo)學(xué)案(1)Lesson1—GlobalWarmingCanwetaketheheat(1)編寫人：王素仙審核：高二英語(yǔ)組Commonsense:GlobalwarmingmeansanaverageincreaseintheEarth’stemperaturewhichleadstoclimatecha

2、nge.Learningaims(學(xué)習(xí)目標(biāo)學(xué)習(xí)目標(biāo)):A(層次層次):LearnrecitethenewwdsinLesson1B:①Keeptheimptantwdsphrasesinmind②KnowalittleaboutthetopicGlobalWarmingCD:HaveakonwledgethedetailedinfmationbythereadingStrategiesDevelopthehabitofprotectin

3、gourenvironment.Imptantdifficultpoint:Howtounderstthepassage(學(xué)習(xí)重點(diǎn)、難點(diǎn))thoughly.StepⅠ本課單詞檢測(cè)本課單詞檢測(cè).(A級(jí))__________________________________________________________________________________________________________________StepⅡB

4、efereadingleadin.(B級(jí))Whichcountriesdoyouthinkcontributemetoglobalwarminga)developedcountriesb)developingcountrieswhy________________________________________________________________________________________________________

5、__________StepⅢFastReading:Read可換成定語(yǔ)從句____________.在本句中意為______________漢譯英:他轉(zhuǎn)過(guò)身來(lái)面對(duì)她______________4)Butwhatexactlyistheglobalwarmingwhyisitseenasadangerhowisitrelevanttoourlives漢譯:_________________________________________

6、____________①it都指代_____②berelevantto______________StepⅥ閱讀理解Ⅵ閱讀理解(C級(jí))WherecouldyoufindradioactivitytodayFonethingasPierreMariehopeddoctscanuseradioactivitytotreatcancer.Radiationtherapy（療法）cantreatlifethreateningtums.Doct

7、knowhowtousebeamsofradiationtodestroyunhealthycellsinthebody.Theyalsoknowhowtoprotectpatientsthemselvesfromharmastheyusetheseradioactivebeams.Scientistsuseradiocarbondatingtofindouthowoldamammoth’stooth（猛犸象)is.Radiocarbo

8、ndatingisonemethodthattellustheageofsomefossils.（化石）Scientistsmeasuretheamountofcarbon14inafossiltofigureouthowlongagotheplantanimaldied.Somefoodispreservedwithradiation.somepeoplewrythatthisprocessmaynotbesafe.Theywonde