unit 1 how often do you exercise ?第三课时
教案一、【教学内容】
section b 1a-2c
二、【教学目标】
（一）知识目标
1. 词汇：学习并掌握 junk food , milk ,coffee, chip , cola, chocolate, drink, health , how many , interviewer.
2. 功能句：学习并掌握 how often ...? it's good for . . .
（二）能力目标
1. 运用所学词汇，短语，及句型进行自由交际的能力。
2. 听短文，快速捕捉信息的能力。
3. 联系实际，运用所学知识写作的能力。
（三）情感目标
培养学生良好的饮食，运动等生活习惯，保持身体健康。
三、【教学重难点】
（一）教学重点
1. 词汇：junk food , milk , coffee, chocolate, drink, health .
2. 功能句：how often . . . ? it's good for . . .
3. 听力
（二）教学难点
结合功能句进行的听力和写作
四、【教学准备】
（一）教师准备：多媒体课件
（二）学生准备：写下他们已学过和平时喜欢吃的食物名称
五、【设计思路】
（一） 词汇教学时，采用图片及实物等直观教学法，直观形象，易于接受。[来源:中.考.资.源.网]
（二） 功能句how often . . . ?的练习和运用，采用情景交际和任务教学法。教师创设情景，分配任务；学生自主探究，小组合作，从而学习，掌握并运用功能句进行交际的能力。
（三） 听力训练时， 指导学生先感知问题，再有目的的去听。根据学生听的情况，适当调整听的速度，确保听的效果。
六、【教学步骤】
step 1 warming up
enjoy apple song
（让学生在轻松、愉快的氛围中快速地进入学习英语的状态。）
step 2 word competition
devide the students into four groups, one of each group writes the words of food and frequency on the blackboard, the others write in their workbooks, the group which write the most and the best will be the winner.
（通过竞赛的方式来调动学生的积极性，同时也体现了团队协作精神。学生既复习了在section a中学过的单词，又为学习和运用新知识打下了基础。)
step 3 presentation
1.present the words by showing the pictures, teach the words:junk food, milk ,coffee, chip, cola, chocolate , drink（板书生词）
（以旧引新，利用图片教学生词，可以帮助学生在视觉的刺激下更好地记忆单词。）
2.look at the words and tell if it is healthy or unhealthy food.
step 4 look and match
1.sectionb-1a match the words with the pictures. ss do by themselves. then check the answers .
2. read and write the new words .
step 5 pairwork
1.presentation
show a picture of milk and ask the students.
t: do you like milk ？
s: yes, i do .
t: how often do you drink milk ?
s: i drink it every day / morning / night/ twice a day …
or s: i never drink it. i don’t like it .
t:i want you to drink milk.it’s good for your health.
drinking milk is good for our health .
（板书 want sb. to sth. 和be good for）
（这一环节准备了学生可能出现的两种回答，符合实际，既引出了知识点want sb. to sth. 和be good for，又为接下来的pairwork做了很好的示范。）
2. practice
(1) read the conversation in 1b, then talk about the pictures in 1a in pairs .
(2) make up their own conversations in pairs using their own words of food.
（谈论有关自己的话题，让学生觉得有话可说。教师应积极鼓励学生进行真实的、个性化问答练习。在让学生掌握句型的同时，也为2a和2b的听力任务做准备。）
(3) show in pairs .
step 6 listening
2a 1.prepare
' read the questions and the answers .
2. listen and circle .
firs t just listen , then listen and circle .
（因为听力材料较长，这一环节需要听两遍。）
2b 1. prepare
read the questions quickly .
（目的是能抓住要听的主旨，，便于快速准确地捕捉要听的信息。）
2.listen and fill in the blanks
first listen and write ,then listen and check .
（因为在2a 中已经听两遍了，所以这一环节可以边听边写，再听检查。要根据学生听的情况，适当调整听的速度。）
3.listen and repeat , and then read by themselves.
step 7 practice
1. imagine the teacher is a interviewer, one student is katrina or jim . make an interview.
（目的是为下面的pairwork做示范。）
2. students work in pairs . the questions and the answers in 2c can help you .
3. students show in pairs .
step 8 writing
1. discuss the questions in groups.
(1) do you have a heathy lifestyle?
(2) how to keep healthy ?
2. write a passage [来源:中.考.资.源.网www.zk5u.com][来源:中.考.资.源.网]
3. several students read their articles .
（这一环节把话题从课堂延伸到学生自己的生活，把听和说的训练落实到写上，让学生将课堂知识运用到自己的生活中，现学现用。 同时让同学们明白，只有养成良好的生活习惯，才能保持身体健康。）
step 9 summary
1.ask the students to sum up the words and the sentences .
2.add: drinking milk is good for our health .
eating too much junk food is bad for our heath.[来源:www.zk5u.com]
step 10 homework
1.remember the words ,phrases and the sentences.
2. interview your favorite teacher about lifestyle, then write an article.
（让学生充当小记者，通过采访、汇报等形式，培养学生调查与处理信息的能力，提高他们归纳组织语言等综合运用语言的能力。）
七、【板书设计】）
unit1 how often do you exercise? section b 1a-2c
how often do you eat vegetables? junk food chocolate
every day . milk drink coffe cola chip
my mother wants me to drink it . want sb. to do health healthy
it' s good for your health . be good for how many
eating too much junk food is bad for your health. three or four times a day
