八年级英语上册 Unit 2 How often do you rcise（第4课时）教案 人教新目标版.doc

Unit 2 How often do you exercise课题名称Unit 2 How often do you exercise ? Period 4 (Section B 2a-2e)三维目标1. 掌握百分数的英语表达法。2. 学会用 “寻读法”准确了解文章细节。重点目标难点目标导入示标目标三导学做思一：问题1. 你知道活动调查的基本要素吗？【独立自学1】I. 请快速阅读13页2b，圈出百分数和表频率的短语。百分比： 频率短语： II. 请完成2b图表。【思维向导1】1. 百分比的英语表达为_数词+percent。当百分比作主语时，谓语动词的单复数由of后面的_决定。2. 短语one to six times中, to的意思为“到”，短语one or six times中, or的意思为“或者”。“每周1-3次”表达为_，“每周四次或五次”表达为_。学做思二：问题2. 你会用 “寻读法”了解文章细节吗？【独立自学2】I. 阅读课文,把下列短语的英文和中文搭配起来并朗读这些短语。( ) 1. ask students aboutA. 开始锻炼( ) 2. not.at allB. 与某人度过时光 ( ) 3. use it for funC. 通过做某事( ) 4. be surprised D. 例如，像 ( ) 5. the answer to E. 根本不，一点不( ) 6. at least F. 问学生关于某事( ) 7. the most popularG. 做某事最好的方法( ) 8. by doing sth H. 最受欢迎，最流行( ) 9. the best way to do sthI . 至少( ) 10. such as J. 的答案( ) 11. spend time with sbK. 对惊奇( ) 12. start exercisingL. 用它来玩II. 仔细阅读课文，判断下列句子正（T）误（F）。( ) 1. We can read the article in a magazine.( ) 2. Twenty percent of the students exercise one time or three times a week.( ) 3. Many students like to go online.( ) 4. Most students watch TV every day【思维向导2】 判断正误型阅读要用寻读法在_中找出与_相关的段落与词句，那些意思基本相符但仍有一点不符的应判定为_。学做思三：问题3.你知道频率副词相对应的百分比吗？【独立自学3】I. 请写出你所知道的频度副词。 II. 将频度副词和短语与百分比对应起来。always 0 every dayusually 20 four to six timesoften 40 Three or four timessometimes 60 one to three times hardly ever 80 once or twicenever 100 notat all达标检测I. 单项选择。( ) 1. Lucy is very fat because she _ exercises and eats a lot. A. often B. alwaysC. usually D. never( ) 2. Forty-five percent of the students _ from China. A. is B. are C. am D. be( ) 3.“60of the students like reading.” means “_ students like reading.” A. All B. most C. Some D. No.( ) 4. 400 is _ of 1000. A. one forty B. forty percent C. one fortieth D. fourth percent II 完成句子。1. 百分之二十根本不锻炼。 _ percent do not exercise _ _ .2. 我们很惊讶百分之九十的学生每天都要使用网络。We were surprised that _ _ of the students use the Internet every day.3. 百分之十三的学生每周看电视四到六次。Thirteen percent watch TV _ _ _ _ a week.反思总结1. 知识建构2. 能力提高3. 课堂体验课后练习句型转换。1. Lucy usually cleans the cage every two days. （对划线部分提问） _ _ does Lucy usually clean the case?2. Bruce has art lessons twice a week. （对划线部分提问） does Bruce have art lessons?章节： 课时： 备课人： 二次备课人：