学必求其心得，业必贵于专精
学必求其心得，业必贵于专精
学必求其心得，业必贵于专精
年级
高二
学科
英语
总课时
11
课题
Reading（2）
第___2___课时
主备人
燕晓敏
上课时间
201
锁定目标找准方向
备注
1.Checkandenhancestudents’readingabilities.
2.Trainstudentstogainanoverallunderstandingofthearticleandlearntoreadadebate。
自我构建快乐无限
Introducethetopic:
Whyshouldweprotectourenvironment?
Leadin
Oncemandidnothavetothinkabouttheprotectionofhisenvironment。Therewerefewpeopleontheearth，andnaturalresourcesseemedtobeunlimited。
Todaythingsaredifferent.Theworldhasbecometoocrowded.Weareusingupournaturalresources,andpollutingourenvironmentwithdangerouschemicals.Ifwecontinuetodothis，humanlifeonearthwillnotsurvive.
Werealizethatiftoomanyfisharetakenfromthesea,therewillsoonbenoneleft.Yet，withmodernfishingmethods，moreandmorefisharecaught.Weknowthatiftoomanytreesarecutdown，forestswilldisappear.Yet，wecontinuetousepowerfulmachinestocutdownmoreandmoretrees.Weseethatifriversarepollutedwithwasteproducts,wewilldie。Yet，wasteproductsarestillputintorivers。Weknowthatifthepopulationcontinuestoriseatthepresentrate，inafewyears，therewon＇tbeenoughfood。Whatcanwedotosolvetheseproblems？
Ifweeatmorevegetablesandlessmeat，therewillbemorefoodavailable.Landforcropsfeedsfivetimesmorepeoplethanlandwhereanimalsarekept.Ournaturalresourceswilllastlongerifwelearntorecyclethem.Theworldpopulationwillnotrisesoquicklyifpeopleusemodernmethodsofbirthcontrol。
Finally，ifweeducatepeopletothinkabouttheproblemsweshallhaveabetterandcleanerplanetinthefuture.
合作探究携手共进
Properquestionsareexpectedtoarousestudents’interestinthetopic.
AskSstoskimthearticleandanswerthefollowingquestions.
Whoarethethreespeakers？
WhatsidedoesMrLinShuiqingandMrQianLiweieachrepresent?
Byhowmany