湖南省衡南县第九中学高中英语《Unit2Theenviroment-period1》教案(必修五译林牛津版)学习目的:1.通过阅读了解长江的现状2.提高学生阅读能力,唤醒学生环保意识。合作探究:Step1leadinAquiz1)Whatarethethreelongestfreshwaterriversintheworld?A.TheRiverNileinAfricaB.TheAmazonRiverinSouthAmericaC.TheYangtzeRiverinChina2)Howmanyprovincesdoesitrunsacross?_______________________3)HowlongisTheYangtzeRiver?______________________________4)Whereisthesourceoftheriver?______________________________Step2learningthetext1.Matchthenumberofeachparagraphwithitsmainidea.Paragraph1ATheenvironmentalsituationoftheYangtzeRiverisimproving.ParagraphBThesecondprojectisanaturereserveforwhite-flagdolphins.Paragraph3CManypeoplehaverecognizedtheimportanceofprotectingtheYangtzeRiverandmanyenvironmentalorganizationsandprojectshavebeensetup.Paragraph4DTheenvironmentalproblemsoftheYangtzeRiverhaveraisedconcern.Paragraph5ETwospecialgovernmentprojectsareunderwaytoprotecttheriver.Oneisthewaterandsoilpreservationproject2.Carefulreading1.WhyhasthehealthoftheYangtzeRiverraisedconcernbothnationallyandinternationally?2.WhatdoestheGreenRiverOrganizationdo?3.Whatproblemsdothetwogovernmentprojectsfocuson?4.Whatdidfarmershavetodounderthewaterandsoilpreservationproject?5.Whatdoesthesecondprojectinclude?3.DecidewhetherthefollowingsentencesareTorF.1.TheenvironmentalproblemsoftheYangtzeriverhaveaneffectonthefishandwildlifethatliveinoralongtheriver.2.TheGreenRiverorganizationisrunbythegovernment.3.Thewaterandsoilpreservationprojecthasbenefitedtheenvironmentaroundtheriver.4Withrapidagriculturalandindustrialdevelopmentplushugepopulationgrowth,thewastebeingputbackintotheriverhasbeendecreasing.5FewpeoplehaverecognizedtheimportanceofprotectingtheYangtzeRiver.6Illegalhuntingofanimalshasbecomeoneofthemajorproblemsandithasendangeredthewildanimals.二text2Analysisthetext:Prblems:Causes:Solutions:Step3Homework1.DoB1andB2onP992.Findoutthenewwordsandphrases.Words:Phrases: