Unit 22 Lesson 1（北师大）

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1、北京师范大学出版社(选修八)畅言教育Unit22ENVIRONMENTALPROTECTIONLesson1GlobalWarming◆教材分析Thisunitisaboutenvironment.GlobalWarmingisthefirstlessonofUnit22.Itisaboutthetheimportanceofenvironment.◆教学目标【知识与能力目标】1.Tohaveabetterunderstandingofwhatglobalwarmingis用心用情服务教育北京师范大学出

2、版社(选修八)畅言教育2.Toknowtheseriousconsequencesthatglobalwarmingmaycause3.Torealizetheimportancethatweneedtotakeaction【过程与方法目标】Tohelp the studentsimprove their reading and speaking abilities.【情感态度价值观目标】Tomakethestudentstherealmastersinclassanddevelopthestudent

3、s'awarenessofself-learning.◆教学重难点◆【教学重点】1.Tohelpthestudentslearnandmastersomeusefulwordsandphrases.2.Tohelpthestudentsimprovetheirreadingandspeakingabilitiesbyscanningandskimming.【教学难点】How to help the students improve their reading. .◆课前准备◆Taperecorder,M

4、ultimedia◆教学过程Step1Revision1.Askstudentstosayoutseveralkindsofenvironmentalproblems.2.MatchtheKeyWordswiththeirChinesemeaningsconsensusbounceagriculturecoincidencecondemnreservationsacrificeadvocateStep2Pre-reading1.Lead-inUsesomepicturestoleadtothetopic

5、---GlobalWarming.Askstudentswhichcountriescontributemoretoglobalwarming:developedcountriesordevelopingcountries.2.PredictionBasedonthetitle“Canwetaketheheat”andsomepictures,enablestudentstopredict:Whatisthetextabout?Step3While-reading1.Firstreading(pairw

6、ork)Matchtheheadingswiththeparagraphs.Para1.Drawreaders’attentiontothetopicbyaskingquestions.用心用情服务教育北京师范大学出版社(选修八)畅言教育Para2.Whatshouldhumanbeingsdo.Para3.Whatisglobalwarming.Para4.Consequencesofglobalwarming.Para5.Whatcauseglobalwarming1.SecondreadingRe

7、adthetextcarefullyandanswerthefollowingquestions.(1)Whatisglobalwarming?(2)Whathumanactivitiesarecausingglobalwarming?(3)Byhowmuchhastheglobalaveragetemperatureincreasedinthelast100years?(4)AregreenhousegasesnecessaryforlifeonEarth?(5)Howcaneachofushelps

8、olvetheproblemofglobalwarming?Step4Post-readingListenandCompletetheformPara.1Introduction:Humanbeingsarecausing____anditisbelievedthat________couldbeoneofthebiggest______inthe21stcentury.Para.2Definition:Global,warmingrefe