Unit 2 How often do you exercise Section B3 (3a-Self check)优学案（含答案）

Unit 2 How often do you exercise?
Section B3 (3a-Self check)
【学习目标】
1. 复习巩固本单元重点句型，重点短语。
2. 理解并掌握下列词汇：dentist, magazine, however, than, almost, none, less, point，most of the time
3. 理解并掌握下列短语：go to the dentist, more than, less than, a 16-year-old student, most of the time
4. 理解并掌握下列重点句子:
1）How often do you eat fast food?
2）How many hours do you watch TV every week?
5. 重点语法: 复习巩固频率副词的用法和一般现在时。
6. 完成3a,3b,3c 学会介绍自己的好习惯和坏习惯。
【学习重难点】
复习巩固本单元重点句型，重点短语。
学会描述一个人的生活习惯
【课前预习】
前置回顾——你还记得吗？
将下列单词根据词义按照频率由高到低排列出来,并且译为中文.
hardly ever, sometimes , always , often, usually, never
100%,_________( ), __________ ( ), __________( ), __________( ), __________( ), ____________( ),0%
预习检测
1较少（的）________________ 2 牙科医生 ________________
3 杂志 _________________ 4 然而；无论如何________________
5 比 _________________ 6几乎；差不多 ________________
7 没有人；没有任何东西，毫无 ___________________
8 多于 _________________ 9 少于 ________________
10 大多数时间 ______________
11 看法；要点；重点；小数点；目标；分数 ______________________
12 去看牙医 ________________ 13 一个16岁的学生_______________
III. 根据个人情况完成表格.
activities
How often
Good habits
Bad habits
【合作探究】
Step 1 Free talk
A: Do you always exercise ? B: …. ( every day )
A: Do you read books every day? B:…. (every day)
A: Do you often drink juice ? B:…( twice a week)
A: How often do you stay up late? B:… (hardly ever)
Step 2自学（自主探究 ）
1．朗读文段，特别注意以下单词的读音及含义；
writer ['ra?t?(r)] n. 作者；作家　 dentist ['dent?st] n. 牙科医生　
magazine ['m?ɡ?zi?n] n. 杂志 however [ha?'ev?(r)] adv. 然而；无论如何；
than [e?n] conj. 比　 almost ['??lm??st] adv. 几乎；差不多
none [n?n] pron. 没有人；没有任何东西，毫无
less [les] adj. 更少的；较少的
point [p??nt] n. 看法；要点；重点；小数点；目标；分数
2．再次朗读文段，弄懂大意并选词填空；
3．检查答案；
探究一 (1) no one 没有一个人; none 也指没有一个人,但它强调三者或三者以上的都不 ( 当谈论两者以上都不时，用neither,不用none); nobody指没有一个人,它强调的是连一个也没有; nothing 指的是什么也没有, 指的是物; anything 指的是任何事或物
(2) nobody, no one, nothing和none常用作简略答语，一般情况下，nothing回答what问句； nobody和no one回答who问句；none回答how m any或how much问句。
Phrases:
探究二 more than 多于 less than 少于、不到
探究三 be afraid害怕 be afraid to do sth.害怕做某事 be afraid of doing sth.害怕做某事
be afraid of sb./sth. 害怕某人/某物 be afraid+that从句: 担心……,恐怕……
探究四worry about=be worried about 担心、担忧
探究五a 16-year-old student一个16岁的学生
复合形容词构成：数词–可数名词单数–形容词
e.g. She is an 8-year-old girl. This is a 1000-word-long letter.
4．完成对自己的生活习惯的调查表（No. 4 on P16.）
Step 3 课堂导学
1. Reading
1) 快速浏览3a ,回答下列问题：
Does Jane have any bad habits?
Does she exercise every day?
(Answers: Yes, she does. She always exercises.)
细读3a,根据图表完成报告。小组内交流答案。
2）朗读短文，然后根据图表复述短文。
2. Writing
根据课前准备III 写一篇关于自己的好习惯和坏习惯的报告。可以参考3a的结构。
小组内交流批改，然后集体范批一到两篇。最后自批并抄写在作文本上。
Step 4 Summary（总结）
Summarize the key words, phrases, sentences and grammar in this unit by yourselves.
Key words: housework, hardly, ever, once, twice, Internet, program, full, swing, maybe, least，junk, coffee, health, result, percent, online, television, although, through, mind, body, such, dentist, magazine, however, than, almost, none, less, point
Key phrases: help with housework, hardly ever, on weekends, go to the movies, once a week, twice a week, once a month, twice a month, three times a week, use the Internet, be free, next week, swing dance, have piano lessons, have to, stay up, at least, play sports, want sb. to do sth., be good for, junk food, ask sb. about sth., fifteen percent(of), not...at all, go online, be surprised, the answers to...,by doing sth., the best way to do sth., such as, go to the dentist, more than, less than, a 16-year-old student
Key sentences:
What do you usually do on weekends?
How often do you exercise?
How often do you watch TV?.
I watch TV twice a week.
Are you free next week?
Next week is quite full for me.
What kind of dance are you learning?
How often do you drink milk?
She says it’s good for my health.
Does Tina have good habits?
How many hours do you sleep every night?
The answers to our questions about watching television were also interesting.
Although many students like to watch sports, game shows are the most popular.
It’s good to relax by using the Internet or watching game shows, but we think the best way to relax is through exercise.
Old habits die hard.
So start exercising before it’s too late!
【课时小结】
本节课我们学习了如何介绍自己的好习惯和坏习惯以及怎样写调查报告。
词汇：dentist, magazine, however, than, almost, none, less, point，most of the time
短语：go to the dentist, more than, less than, a 16-year-old student, most of the time
重点句子:
1）How often do you eat fast food?
2）How many hours do you watch TV every week?
Grammar: The Simple Present Tense and Adverbs of Frequency.
【达标检测】
一、用所给词的适当形式填空。
1 Most students exercise three or four______________(time) a week.
2. Tom play baseball_______________(two) a week.
3. He spends at________________ (little) one hour in reading every day.
4._______________(drink) milk every day is good for your health.
5. It is good to relax by________________(use) the Internet or watching game shows.
6. Exercise such as________________(play) soccer is fun for us.
7. Who wants_______________(go) shopping with me this morning?
8. You must eat more vegetables and keep______________(health).
9. Forty-five percent of the teachers______________(be) women in this school.
10. The best way _______________(relax) is listening to music.
二、补全对话
Reporter: Thanks for coming for this interview about healthy habits, Lisa and Dave. Now first, Lisa, do you have good eating habits?
Lisa: I think so. I eat lots of fruit and vegetables. I love fruit, such as apples, bananas and oranges. And I hardly ever eat junk food.
Reporter: 11._______________
Lisa: I exercise about four times a week. I like to swim and go running.
Reporter: 12.__________________ How many hours do you sleep every night?
Lisa: About eight hours.
Reporter: It sounds like you have a very healthy lifestyle. How about you, Dave? Do you exercise a lot?
Dave: No, I don’t. I never exercise.
Reporter: Oh, really? Do you eat fruit and vegetables?
Dave: 13.______________ I don’t like fruit or vegetables, but I love junk food.
Reporter: Hmm.14._____________________
Dave: No, I don’t like milk. I drink lots of coffee.
Reporter: How many hours do you sleep every night?
Dave: 15.______________ About nine hours every night.
A. How about sleep?
B. Do you drink milk?
C. How often do you exercise?
D. Oh, I get lots of sleep.
E. I sometimes eat them.
三、书面表达
下面是对某个中学学生课外活动情况的调查表，请根据表格内容，对调查表作一个陈述。开头已给出，可以适当发挥，80词左右。
Activities
How often
Purpose
Exercise
20% every day
33% one to three times a week
Relax
Use the Internet
Many students use it every day.
For fun
Watch TV
50% don’t watch on weekdays
40% watch it on weekends
Enjoy
Here are the results of the students’ activities in a school._______________________
_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
【自我评价】
本课我学会了什么？
________
通过本课的学习，我还有哪些疑问？
_______
【教师寄语】
A young idler, an old beggar.
参考答案
【课前预习】
Ⅰ. always总是， usually通常，often经常, sometimes 有时候,
hardly ever几乎不, never 从不；永远不
Ⅱ. 1 less, 2 dentist, 3 magazine, 4 however, 5 than, 6 almost,
7 none, 8 more than 9 less than，10 most of the time, 11 point,
12 go to the dentist, 13 a 16-year-old student
Ⅲ.
activities
How often
Good habits
exercise
every day
Bad habits
eat junk food
Two or three times a week
【达标检测】
一、1 times 2 twice 3 least 4 Drinking 5 using
6 playing 7 to go 8 healthy 9 are 10 to relax
二、CAEBD
三、One possible version:
Here are the results of the students’ activities in a school. We found that twenty percent of the students exercise every day. Thirty-three percent exercise one to three times a week. They think it’s a good way to relax and keep healthy.
As for using the Internet, many students use it every day. They use it just for fun and not for homework.
How about watching TV? Fifty percent don’t watch TV on weekdays. And on weekends only forty percent watch it. They enjoy themselves.