Unit13We’retryingtosavetheearth(第2课时)本学期第课时本单元第2课时上课日期:_________一、教学目标:1.语言知识目标:1)学习掌握下列单词和短语:sharkn.鲨鱼;finn.鱼鳍methodn.方法;crueladj.残酷的;.harmfuladj.有害的;.chainn.链条;ecosystemn.生态系统;thesaleofsharkfins鱼鳍买卖takepartin参加can’taffordtodosth负担不起做某事.takeaction采取行动.turnoff关掉.payfor付费.addup累加usepublictransportation使用公共交通2)掌握重点句型:1.Butdoyourealizethatyou’rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup.2.Sharksmaydisappearonedayifwedonotsomethingtostopthesaleofsharkfins.5Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth.6.Itwasconsideredthebiggestclean-upprojectthiscityhadeverhad.这被认为是这个城市曾经开展的一次最大幅度的清理活动。7.Wecan’taffordtowaitanylongertotakeaction!我们不能再等待更长的时间来采取行动!8.Manyforgetthatsavingtheearthbeginswithsmallthings.许多人忘记了拯救地球要从小事做起。3)进一步熟练掌握完成时、进行时、被动语态及usedto的的用法。2.情感态度价值观目标:通过本单元的学习能够体会保护自然、保护动物、保护地球的重要性,并倡导学生从身边3.Thismethodisnotonlycruel,butalsoharmfultotheenvironment.这种方法不仅残酷,而且对环境有害。4.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.在最近的20年到30年的时间里,这种鲨鱼已经下降了90%。小事做起,保护地球母亲。二、教学重难点1.教学重点:1)掌握本课时中出现的生词2)学会用完成时、进行时、被动语态及usedto的的用法2.教学难点:用过去完成时叙述自己曾经有的特别的一天。三、教学过程Step1.RevisionGrammarandfinish4a1.WearetryingtosavetheearthTheriverusedtobesoclean.Noscientificstudieshaveshownthatsharksfinsaregoodforhealth.Weshouldsavethesharks.2.RetellGrammarfocus3.Fillin4a.FillintheblankswiththecorrectformsoftheverbsinbracketsStep2.ReadingWorkon3a.Readthepassageaboutsharksandcompletethefactsheetbelow2.LetSscompletetheworkontheirown.Wheresharkfinsoupispopular_______Numberofsharkscaughtandtradedeveryyear______howmuchthenumbersofsomekindsofsharkshavefalleninthelast20-30years_______Twoenvironmentalgroupsagainst"finning"_________Step3.CarefulReadingWorkon3b.Readthepassageagainandfillintheblankswiththewordsinthebox.Step4.Languagepointsandimportantsentences.harmful形容词,意为“有害的”。常构成短语beharmfulto“对……有害的”。Stayingupoftenisharmfultoyourhealth.经常熬夜对你的健康有害。【拓展】harm名词,意为“害处”。常用构成短语doharmto“对……有害”,相当于beharmfulto.Toomuchsmokingdoesharmtohishealth.=Toomuchsmokingisharmfultohishealth.吸烟过多对他的健康有害1.Butdoyourealizethatyou’rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup.2.Sharksmaydisappearonedayifwedonotsomethingtostopthesaleofsharkfins.5Sofar,noscientificstudieshaveshownthatsharkfinsaregoodfor3.Thismethodisnotonlycruel,butalsoharmfultotheenvironment.这种方法不仅残酷,而且对环境有害。4.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.在最近的20年到30年的时间里,这种鲨鱼已经下降了90%。health.6.Itwasconsideredthebiggestclean-upprojectthiscityhadeverhad.这被认为是这个城市曾经开展的一次最大幅度的清理活动。7.Wecan’taffordtowaitanylongertotakeaction!我们不能再等待更长的时间来采取行动!8.Manyforgetthatsavingtheearthbeginswithsmallthings.许多人忘记了拯救地球要从小事做起。Step5Workon4bFillintheblankswiththeappropriatemodalverbsfromthebox.Step6.根据汉语提示完成句子。