1、Section B 第 4 课时（2a2b)自主学习方案1. 自学生词，并记住拼读及拼写。2. 预习课本，找出重点短语及句子。3. 读记后完成自学导练作业。课堂导学方案Step 1 情景导入T ： Hello，everyone! Have you ever heard of Aron Ralston? He is an American man who is interested in mountain climbing. He has many expetiences in climbing mountains. But unluckily，he lost his arm when he c
2、limbed the Utah. Do you want to know what happened to him? Lets read the story together.环节说明：以 Aron Ralston 的故事为话题，设置悬念，引起学生的好奇心，引出本节课的学习内容。Step 2 完成教材 2a2b 的任务1. 学生朗读 2a 中的短语，教师纠错，两人一组互相提问背诵。2. 在运动的时候可能出现一些意外或是问题，看看 A，B 和 C所代表的三项运动中经常出现的意外或是冋题分别是什么，然后将代表三项运动的字母 A，B 和 C 分别写在可能出现的意外或问题前面的横线上。完成后小组内互相
3、交流答案。3. 认真阅读短文，在你不理解的语言知识点下面画横线，然后在字典里查询不理解的单词及短语。4. 教师让学生再读短文，回答下列问题以检查学生的理解情况。(1) When did Aron almost lose his life?(2) How did he save his life?(3 ) What does “between a rock and a hard place” mean?5. 教师根据学生阅读理解情况点拨短文中出现的重点和难点。6. 熟读课文，识记背诵知识要点。7. 小结训练。(A)(1) The boy stay up，but now he going to b
4、ed early.A.used to，is used toB.is used to，used to C. used to，used to(D)(2)The thief the lift and ran away.A. got off B. got onC. got into D. got out of(B)(3) He sits in the front of the classroom he can hear the teacher clearly. A. so on B. so thatC.in order to D. so that(C)(4) The branch(树枝）of the
5、tree is dead.So we should .A. cut off B. cut off itC . cut if off D. cut them off(C)(5) After a short rest，they keep on .A. to work B. workC.working D. works环节说明：通过本环节的学习使学生对 Aron Ralston 的事迹有了进一步的了解，同时 Aron Ralston 的优秀品质也使学生受到了教育；而且通过小结训练让学生对重要知识点进行了巩固练习。Step 3 问题探究1. be used to 的用法 他习惯于自己照顾自己。He is used to looking after himself.used to do sth. “过去常干 ”；be used to sth. /doing sth. “习惯(干) ”。2 run out (of)他的钱用光了。He ran out of his money. = His money ran out. sth. +run out；sb. run out of 十 sth.教学反思本课时通过讲故事的方式引入新课，能抓住学生的注意力，阅读练习也能增强学生获取信息的能力。
