Unit 2 How often do you exercise?（Section B）

【学习目标】
1.熟练掌握Section B 中的单词和短语。
2.正确运用“how often”引导的特殊疑问句来询问“动作的频率”。
3.培养学生快速阅读和归纳语篇信息的能力。
4.了解不同的人物的活动安排的特点，培养自己健康的生活方式；学会更合理地安排自己的课外活动。
【学习重难点】
学习重点：掌握与业余活动相关的英语单词和短语及重点句型。
学习难点：熟练运用本单元所学句型以及频度副词来写有关课余活动的对话或文章。
Section B ( 1a—1e)
【自主预习 梳理知识 】
预习问题（A级）
1.根据音标拼读单词并牢记；
2.英汉互译：
垃圾食品 喝咖啡 want sb to do sth
be good for_______________ 你每晚睡多少个时？ ？
【展示交流 合作探究】
展示学生自学成果（A级问题）
探究问题
B级问题：
1.按要求完成1a中的任务。
2.用1a的单词，模仿1b编对话，并在组内交流。
3.听力练习：听听力，完成1c和1d。
4. 根据1d内容，进行采访问答,完成1d中的任务。
C级问题：
1.want 的用法：want (sb) to do sth
eg. 你想和我一起去看电影吗？
I want you to help me with my math.
2. be good for … 表示“ ”其反义为： 对…有害/无益
eg.Reading in bed is bad for your eyes. 。
喝牛奶对你的健康有益。
三、生成问题
【检测反馈 巩固提升】
当堂检测：单项选择。
（ ）1. --- __________do you drink coffee --- Twice a day.
A.How many B.How long C. How much D. How often
（ ）2. My teacher wants me __________ hard.
A.study B. studying C. to study D. studies
（ ）3. Eating fruit and vegetables __________ our health.
A. is good to B. is good at C.is good for D.is good with
（ ）4. Miss Liu is very __________, because she exercises every day.
A. health B. healthy C. unhealthy D. unhealth
（ ）5. __________ milk do you drink
A. How many B. How much C.How often D. How soon
Section B ( 2a—2e)
【自主预习 梳理知识 】
预习问题（A级）
1.根据音标拼读单词并牢记；
2.自学预习短文，勾画出重点和疑惑。
3.翻译词组。
in free time _______________ ask sb about sth _______________ not …at all _______________
go online _______________ at least _______________ such as _______________
the answers to the questions_______________ by using the Internet_______________
【展示交流 合作探究】
一．展示学生自学成果（A级问题）
二．探究问题
B级问题：
1.自主完成2a。
2.仔细阅读2b课文，注意模仿语音、语调、句群停顿,在原文中找出2c中问题的答案。
3.根据要求完成2 d并检查答案。
4.大声朗读2d，尽量做到快速、流利，语音、语调、句群停顿正确。
C级问题：
1. And twenty percent do not exercise at all! not …at all ______________
eg. 他昨天根本没有做作业 .
拓展：not at all意为“不客气”，相当于you are welcome,与not …at all意思完全不一样。
eg. --- Thank you for your help. --- Not at all.
2. We all know that many students often go online,but we were surprised that ninety percent of them use
the Internet every day.
be surprised… 意为“ ”，其后可接动词不定式或从句。
拓展：be surprised to do sth be surprised at sth
3. The answers to our questions about watching television were also interesting.
the answers to the questions 为固定搭配，意为“ ”类似的短语还有“门上的钥匙” 。
4. It is good to relax by using the Internet or watching game shows.
句中it 作 ，真正的主语是 。
by using the Internet or watching game shows 中by是介词,意为“以…方式/方法/手段，通过,借助,”。
eg. We learn English by ( read ) aloud.
三、生成问题
【检测反馈 巩固提升】
当堂检测：同步阅读
Fruit is good for people. Many people eat some fruit every day. Mr and Mrs Green like fruit very much and every Monday Mrs Green goes to buy some fruit in the shop near her house. The man in the shop knows her well and helps a lot.She can buy all kinds of fruit there, apples, pears, oranges and bananas. ln different time of the year, the price of each kind of fruit is not the same,sometimes high,sometimes low. Mrs Green wants to buy cheap fruit. But Mr Green only likes bananas. She buys bananas for him every week. She only buys cheap fruit for herself.
( ) l. When does Mrs Green go to buy some fruit
A. Saturday' B. Monday. C. Thursday.
( )2. Where does Mrs Green buy fruit
A. ln the shop near her house. B. In the town. C. Near the shop
( )3. Mrs Green buys ____for Mr Green.
A. pears B. apples C. bananas
( )4. Which of following is not right
A. Fruit is good for peopIe. B. Mrs Green buys apples for herself
C. Mrs Green can buy all kinds of fruit.
( )5. ln different time of the year,the price of each kind of fruit is______.
A. the same B. not the same C. high
Section B ( 3a—Self Check )
【自主预习 梳理知识 】
预习问题（A级）
1.根据音标拼读单词并牢记；
2.自学课文，勾画出重点和疑惑。
3.翻译下列词组：
watch TV for over 2 hours stay up late
go to the dentist a 16-year-old high school student
good habits more than less than
【展示交流 合作探究】
一．展示学生自学成果（A级问题）
二．探究问题
B级问题：
1. 仔细观察表格，完成3a。
2. 联系自己的日常生活实际，各写好坏习惯3个、发生频率以及各自作用。
3. 完成对自己的生活习惯的调查表。
C级问题：总结本单元的主要句型。
三、生成问题
【检测反馈 巩固提升】
当堂检测：单项选择
（ ）1. Her father time.
A. usually wastes (浪费) B. never wastes C. hardly ever waste D. always wasting
（ ）2. --- How often does Lara play the trumpet
--- once or a week, I’m not sure.
A. May be, twice B. Maybe, twice C. May be, two times D. Maybe, two time
（ ）3. --- I’ll give the boys to eat.
--- Oh, I know fish and salad.
A. something healthy B. healthy something C. anything healthy D. healthy anything
（ ）4. What the differences between your habit and
A. are, hers B. is, his C. does, her D. do, his
（ ）5. --- do you write to your parents
--- Once a month.
A. How often B. How long C. How much D. How many
课后作业：
课堂作业：完成《能力培养与测试》第三课时与第四课时。
家庭作业：1.抄写Section B部分中的生词五遍。
2.背诵2b中的短文。