1、1Unit 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
2、_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 about A. 开始锻炼( ) 2. not.at all B. 与某人度过时光 ( ) 3. use it for fun C. 通过做某事( ) 4. be surprised D. 例如，像 ( ) 5. th
3、e answer to E. 根本不，一点不( ) 6. at least F. 问学生关于某事( ) 7. the most popular G 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 sth I . 至少( ) 10. such as J. 的答案( ) 11. spend time with sb K. 对惊奇( ) 12. start exercising L. 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 m
4、agazine.( ) 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 day2【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
5、 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. always C. usually D. never( ) 2. Forty-five percent of the studen
6、ts _ 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
7、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。3章节： 课时： 备课人： 二次备课人：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?
