人教版英语八上unit2Howoftendoyourcise（Period5）（共14张PPT）

1、Unit 2 How often do you exercise ?北京市育英学校王小辉第五课时第五课时 Period 5 （Section B 3a 4）Early to bed, early to rise, makes a man healthy, wealthy and wise. - Benjamin FranklinWarming up 早睡早起能使人健康, 富有, 明智。 本杰明 . 富兰克林 3a-3c这三项活动是一个连贯的整体， 教学时应遵循“示范规划写作”的过程。1.Have Ss calculate the percentage for each activities.

2、Then have Ss math the percentages with words.Days of yearPercentage Frequency 365365/365*100=100%always, every day32088%usually21058%often9526%sometimes205%hardly ever154%hardly ever00%neverAnswer the questions 1)What information can you find in the chart?2)Is the information about the girl? Whats h

3、er name?3)What does the heading “Days a year” mean?4)What good habits does the girl have?5)Does the girl have any bad habits ? What are they?2.分析3a的文段结构， 关注转折连词however 的使用3. 学生朗读3a 短文， 熟悉写作范文。every dayoftenhardly everusuallysometimeshardly evernever 3bActivitiesHow often Good habitsEating:Sports: Sl

4、eep:Study:Other s: Bad habitsEating:Sports:Sleep:Study:Others:eat vegetable and fruits play computer games Sample WritingI have a lot of good habits. I usually arrive at school on time and I always do my homeworkCarefully. Also, I hardly ever stay up late and I exercise every day, usually when I com

5、e home from school. My eating habits are pretty good.I try to eat different kinds of vegetables and fruits . They are good for my health. Moreover,drink milk every day, I never drink coffee.However, I have some bad habits , too( as well).I often play computer games for more than two hours a day. I s

6、ometimes ride my bike too fast. I eat chocolate four or five times a week, I love junk food and eat it three or four times aWeek.I hope I can get rid of my bad habits and make my life better and healthier. 1.Forty-five percent exercise four to six times a week. percent= per cent 仅与具体的数字连用， 后面常与介词of

7、搭配, 若要询问百分率数值，或笼统表达百分率的高低，应使用percentage 一词，疑问词应用what, 而非how many 或how much。如： 1）What percentage of women return to work after having a baby? 有百分之多少的妇女在生完孩子后再次回到工作中。2）A high percentage of students today have eyesight problems. 当今有很高比率的学生存在视力问题。 3a 注释注释2. The answers to our questions about watching TV were also interesting.answer to 表示“的答案” the key to the reply to The way to3. Old habits die hard. 旧习难改。 活动活动4Ask questions before taking the health quiz.1.Do you think you are healthy?2.Are you healthier than your classmates? Find out who is the healthiest student and who i