unit 4 topic 2 section a 教案

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1、Unit4AmazingScienceTopic2SectionA教案教学目标：1.知识目标：掌握本课的重点词汇和短语，学习由who/which/that引导的定语从句。2.情感目标：能够听懂含有who/which/that定语从句的对话，并且能够正确运用。学习重、难点：1.理解定语从句的关系代词所代表的意义。2.正确地运用关系代词来构成定语从句。教学过程：Step1Review复习一般过去时的被动语态。T:Goodmorning.Boysandgirls!(突然面色表情由晴转阴。)WhathappenedtomyMP3?Itwasbroken.(把坏的MP3给同学们看

2、，面带心痛神色。)WhowasmyMP3brokenby?(转向全体同学。)Wasitbrokenbyyou,S1?(对前排的一个同学提问。)(同学们笑，然后开始猜测，教师引导学生用英语表达。)S2:Wasitbrokenbyyourself,Miss/Mr.…？T:No.S3:Wasitbrokenbyyourdaughter?T:Exactly.Itwasbrokenbymydaughter.Step2Leadingin1.Doyouknowanyotherastronauts？2.Doyouwanttoknowmoreaboutthespaceflight?Ste

3、p3Learning1.Listento1aandanswerthequestion：WhereisKangkang？2.Watchtheflashandfinish1b.（workalone）1)LetStudentsreadthewordandphrases,andtrytoguesswhichwordsorphraseswillbeappearedin1a.2)Watchtheflashandtick.3.Read1aagainandanswerthequestions.(Workinpairs)LetStudentsread1aanddiscussinpairs

4、,thenfinish1c.4.Read1aagain,findsoutthephrasesandsentences.(Groupwork)5.Read1aandfillintheblanks.(Workalone)Step3Explaining1.HeisournationalherowhotraveledaroundtheearthinShenzhouVfor21hoursin2003.2.Chinaisthethirdnationthatsentapersonintospace.3.ItprovesthatChinahasmadegreatprogressinit

5、’sspaceindustry.4.I’msurethatChinawillsendmorespaceshipsintospace.5.It’saspaceshipwhichwaslaunchedasChina’sfirstlunarprobe.6.Read1aandfindoutthesentenceswithwhich/who/that(Groupwork)7.LetStudentsfindoutAttributiveclause定语从句(结构):1)who指人，在从句中做主语或宾语。2)which指物，在从句中做主语或宾语。3)that即可指人，也可指物，相当于w

6、ho/which在从句中做主语或宾语。Step4HaveasummaryWelearn：1.Somewords:prove,spacewalk2.Somephrases:anotherfour…,makeprogressin3.Attributiveclause(定语从句)(1)Chinaisthethirdnationthatsentapersonintospace.(2)Heisournationalherowho/thattravelledaroundtheearthinShenzhouVfor21hoursin2003.Step5Homework1.Read1a

7、.2.Memorizetheusefulexpressionsandkeysentenceswhichwelearnedtoday.1.FinishSectionAinyourworkbook.2.PreviewSectionB.