Period3一、教学目标1、词汇：能巩固、运用已学过的有关环境保护的短语keeptheairclean,Keepuscool,maketheplacebeautiful；能理解、运用plantingtreesisgoodforus,weshould.2、能在语篇中运用新句型，谈论树木保护的话题。二、教学重点难点重点：掌握、运用学过的与环境保护相关的短语并结合句型“treescankeep/make..”谈论环境话题。难点：能谈论收集的图片并制作海报，宣传环保。谈论收集的图片并制作海报。三、教学准备Wordcards,Type，DrawingInstrument四、教学步骤Step1热身（warm-up)1Greetings2quickresponse教师用课件快闪本单元的新单词及短句planttrees,keeptheairclean,keepuscool,maketheplacebeautiful等，学生快速读出来。Step2新课呈现(presentation)2、partE：let’swrite(1)教师用一个图片场景，显示低矮的房屋旁边是密密丛丛的美丽树林，请学生谈论此时的生活环境。T：so,thevillageisverybeautifulatthistime.lookatthispicture.Whatcanyousee?教师呈现树林被砍伐村庄被过度开发建立高楼，但是却失去昔日美丽环境的图片。S：wecanseemanytallbuildings,butlessandlesstrees.T：yes,inthisvillage,moreandmoretreesarecutdownbypeople.Theweatherischanging,it’sgettinghotter.板书cutdown,togrowrice,gettinghotter,coolandfresh，教师用图片帮助学生理解这些词汇。）(2)surveynameWhydopeoplecutdowntrees?Whyshouldweplantmoretrees?学生以组为单位调查同学或家长，填上名字后在相应的答题框中书写。(3)presentation小组代表汇报调查结果(4)完成E部分填空3、partF：let’shavefun(1)学生分享上次作业收集到的图片，贴到黑板上(2)根据图片把填空填写完成Step3趣味操练(practice)Game：唱反调教师说出“weshould..”的句子，学生则换成“weshould’t...”重复句子。反之亦然。Step4作业布置(homework)做一做：制作一张海报，为保护树木宣传，在标语中用上keep和make板书设计Unit4Plantingtreesisgoodforusbegoodfor...cutdown,togrowrice,gettinghotter,coolandfresh教学反思：
