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1、Section B 第 3 课时(laId)环节课前自学准备派施导案类别学习重点重点短语at least重点句式Its been around for at least 20 years.厂步骤明确课标要求步骤课前预习译一译至少 at least三匕一n匕它存在至少20年了。Its been around for at least 20 years.课前自主学习课堂教学展示激施学案新课导入(Show a picture to the students)Teacher: This is my hometown. This is a library. It has been here since
2、I was born. This is a hospital and it is the highest building in my hometown. It has been here for five years. Now, please tell your partner something about your hometown like this.新课展示【完成教材la-ld的任务】1 .学生齐读la中的单词和词组，然后标注出你们家乡所拥有的地方或东西，完成后 小组内互相交流答案。2 .认真听录音，回答1b中的三个问题，完成后请学生展示答案，教师点拨。3 .再听遍录音，将1c中的表
3、格填写完整，完成后请学生展示答案，教师点拨核对课堂互动探究步骤答案。4 .听第三遍录音，学生跟读并整体感知对话内容。5 .两人一组仿照Id的对话形式来讨论各自的家乡或城市，完成后请几组学生表演对 话。典例参考My city is lovely.A: What are some of the special places there?新课展示A: Well, there is a concert hall there. Its been around for at least 20 years.新at least【语法提要】at least意为，至少;起码”，least是little的最高级，意
4、为“最少的;最小的”。例句：The work will take at least two days.这项工作至少需要两天时间。Cut the grass at least once a week in summer.夏天至少每周割一次草。at least的反义词组为at most“最多例句:例句:Shes 25 years old at most.她1多25岁。The repairs will cost 35 yuan, at must.修理费最多 35 元。【问题探究】根据汉语意思完成句子。L他将在这里至少停留三周。He will stay there for at least (litt
5、le ) three weeks.2.我起码比我弟弟高一点。Pm at least (little) taller than my brother.活学活练1. Which is the most beautiful place you have ever C?A. went toB. gone toC. been to2. Her father C in 1990 and her husbandfor more than five years.A. died; deadB. has died; deadC. died; has been deadD. has died; has died3. He C his home for ten years.A. has leftB. left fromC. has been away fromD. was away from步骤课堂学以致用环节课后反馈总结步骤。步骤。课后达标检测激编练案*布置作业：教师引导学生课后完成本课时对应练习，并预习下一课时内容。教学反思本课时引入了一个新的话题家乡。这让学生感到有话可说。要注意用上现 在完成时。教学过程中老师的疑问：厂步骤课后教学反思教师点评和总结:教学说明：以此为导入语既复习了学过的现在完成时态，又引出了新课的学习，同时也练习了学生的 口语。