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1、课题名称M5U2课型Reading2课时3【学习目标】ThemainpurposeofthislessonistomakeSsbetterunderstandthetextandmastersomeimportantlanguagepoints.【学习重点】1.Howtomakethestudentshaveabettercomprehensionofthetext.2.Howtohelpthestudentsbefamiliarwiththelanguagepoints.【学习难点】1.Getthestudentstograspt
2、heusageofsomeimportantwordsandexpressions.2.Getthestudentstopracticemasteringthelanguagepoints.【学法指导】1.Learnsomephrasesbyheart.2.Learntheusageofsomewordsandphrasesthroughself-studyandpractice.【知识链接】【导学过程】(学习方式,学习内容,学习程序,问题)导学留白课前自主学习预习导学(10分钟)读课文找出下列短语:1.______________
3、___自由发言2.___________________此外,另外3.__________________扫除,消灭4.________________削减,减少,缩减5._________________对…关心6.________________四处打听;多方询问7._________________砍倒8_______________________对…负责9._____________用完;耗尽10.____________________只要11.____________(使)变得;翻译成12.______________
4、______…的关键/答案课中合作探究展示导思(25分钟)一,翻译文中重点句子:1.此外,捕捞船正在将大量的海洋生物赶尽杀绝。2.这些捕捞船捕捞大量的鱼类,根本不让他们有产卵的时间。3.目前的世界人口与1800年相比已经增长到那时的六倍多。4.我的建议是,我们应当削减生产,减少制造和购买物品的数量。5.我们所制造的垃圾数量正在变成一个大问题。6.很显然,你对我们的环境现状很担忧。7.作为一名经济学家,我常常被人视为环保反对派。8.但有一点我非常赞同:循环利用或许是对两者都有利的关键。二,自学下列知识点:1.openthefloorf
5、ordiscussionthefloor意为“发言权”。又如:Aftertheyeachhadsaidafewwords,ProfessorWhitetookthefloor.他们各自说了几句话后,怀特教授开始发言。2.largeamountsofpoisonouschemicals(P22)theamountofthingswemakeandbuy(P22)theamountofrubbish(P22)theamountofpollution(P23)amount n.总数,数量(常与不可数名词连用。)+Cn.+Un.+Cn./
6、Un.many,agreat/goodmany,alarge/greatnumberof/numbersofmuch,agreatdealof,alargeamountof,largeamountsofplentyof,alotof,lotsof,alargequantityof,largequantitiesof,amassof,massesof3.growto“增加到”。类似的还有increaseto,riseto,climbto如:Thenumberofstudentsatthecollegehasgrowntoover5,0
7、00.这所学院的学生数已经增长到5,000人。Thepricehasincreasedtoanunbelievablenumber.价格攀升到令人难以置信的水平。growby“净增了”,类似的表达increaseby,riseby等。如:Salesofnewcarsinthatcountrygrewby20percentthisyear.那个国家今年的新车销售量增加了百分之二十。4.Theworldspopulationhasgrowntomorethansixtimeswhatitwasin1800.1)整数+times+比较级+
8、than…2)整数+times+as+原级+as3)整数+times+名词(thesize/width/length/height..)_这座新楼是那座旧楼的四倍高。(1)Thenewbuildingisfourtimesthehei