Unit 2 How often do you exercise?第4课时 Section B 2a—2e 教案

Unit 2 How often do you exercise
第4课时Section B 2a—2e
一、教学目标
1.掌握本课重点词汇和句型：result, percent, online, television, although, through,not … at all, the answer to…, be good to…等。
2. 能读懂语篇材料中的调查报告。
3. 进一步巩固谈论频率的句型，学会使用频度副词来谈论某人的生活习惯。
4.了解国外中学生常见的业余活动。
二、教学重点及难点
重点：能够叙述自己的饮食习惯，进一步巩固使用频率副词。
难点：能读懂语篇材料中的调查报告。
三、教学准备
教师：教学课件；多媒体设备
学生：课前预习
四、教学过程
Step 1 Warming-up
1. Look at the pictures and say out the activities.
2.Free talk: What do you usually do in your free time How do you relax yourselves, watch TV, play computer games or exercise
【设计意图】通过图片和活动短语的匹配活动与相关话题的自由谈论，复习巩固上节课所学的同时，也引出新课内容。
Step 2 Pre-reading
Work on 2a
Rank the activities according to how often they think their classmates do them.
【设计意图】通过排序人物激活学生的背景知识。
Step3 While-reading
Ask students to read 2b by themselvesand then complete the pie charts.
Ask students to read the passage carefully and then answer the questions.
3. Ask students to read the passage for the third time and write sentences with the percentages using always, usually or sometimes.
【设计意图】带着任务阅读文章的目的性会更强，有助于引导学生更好地理解文章意思。
Step4 Post-reading
1. Fill in the blanks and retell the passage.
2. Learn some language points.
(1) Last month we asked our students about their free time activities.
ask sb. about sth. 关于某事询问某人
(2) We found that only fifteen percent of our students exercise every day.
percent 百分之……，后常与of搭配
(3) And twenty percent do not exercise at all!
not … at all 一点也不，根本不
(4) The answer to our questions about watching television were also interesting.
the answer to … ……的答案
(5) Although many students like to watch sports, game shows are the most popular.
although 为连词，意为“虽然，尽管”。
(6) It is good to relax by using the Internet or watching game shows,…
句型：It is adj. (+for sb.) to do sth. it为形式主语，指代后面的to do
【设计意图】系统总结知识点，帮助学生更笼统地学习知识点。
Work on 2e
Ask students tochoose one of these free time activities or think of their own. Then ask their classmates how often they do this activity and make a pie chart.
【设计意图】引导学生调查同学的课余活动方式及活动频率，并仿照2b中提供的示范做一个饼图。
Step 5 Summary
Summarize what we have learned this class.
Step 6 Homework
1. Write your own health report about“How healthy are you ”.
2. Recite the new words we have learnt.
五、板书设计
Unit 2 How often do you exercise
第4课时Section B 2a—2e
Key words and phrases: percent, online, television, although, through, mind, body, such, such as, together, die, writer; not … at all, the best way to … is …, such as …, how many …, be good for …, be bad for …, although引导的让步状语从句, It’s good to do sth.