夏邑县济阳初中Unit 2 Keeping Healthy>Topic 3 What should we do to fight SARs？sectionA教学案

夏邑县济阳初中八年级英语教学案
课题：Unit2 Topic3 Section A
班级________ 学生姓名_________
自学 自学—质疑—解疑
学习目标
掌握must和have to的用法；
能够谈论战胜流感及保持健康的话题，并能运用所学知识给出合理建议。
自学方法
朗诵课本第41页1a的课文，翻译下列短语。
flu 看医生
spread 预防流感
go ahead 拥挤的地方
take your advice 保持房间清洁
【知识点击】
Mom, hurry up! 妈妈，快点！
hurry (v./n.) 赶快，匆忙；in a hurry 迅速，如：He left in a hurry. 他匆忙离开了。
hurry 常用于以下结构：hurry to do sth. 急忙做某事；hurry to﹢某地 匆忙去某地，如：
The kids hurried to open their presents. 孩子们急忙打开礼物。
He hurried to school this morning. 今早他匆匆忙忙去了学校。
May I ask you some questions, Dr. Li 李医生，我可以问你一些问题吗？
May I … 是日常交际中常用的表请求的句型。在此句型中，“一些”通常用some，而不用any 。如：May I have some water, please 我能喝点儿水吗？
question 意为“问题，疑问”， 指较易解决的问题及口头回答的问题，如：
Can you answer the question 你能回答这个问题吗？
Sure, go ahead. 当然可以，请问吧。
go ahead. (口语) 进行吧！干吧！请吧！如：
—Can I read the sports section 我可以看看体育版吗？
—Yeah, go ahead. 请看吧。
【拓展】（1）go ahead and do sth. 赶紧做某事。如：
Go ahead and eat before everything gets cold. 趁东西还没凉赶紧吃。
（2）go ahead of …在……之前去，如：
Bill went ahead of the others to try to find help. 比尔先于别人去寻求帮助。
The flu is spreading quickly among people these days. 这些天，流感在人群中传播得很快。
spread (v.) 传播，流传；如：
The use of computers spread quickly during that period. 在那个时期，计算机迅速应用开来。
— Must we do exercise to prevent the flu 预防流感我们必须做运动吗？
— Yes, we must. / No, we don’t have to. / No, we needn’t. 是的，必须。/不，不必。
Must we / I … 的肯定回答：Yes, we /you must. 否定回答：No, we /you needn’t/don’t have to. 而不能用mustn’t。
have to 意思是“不得不，必须”，后跟动词原形。
He doesn’t have to walk so fast. 他不必走那么快。
量学自测— 互查—互教
根据汉语提示完成句子。
_________ __________ （快点），or we’ll be late for the meeting.
Parents should ___________ their children ________ _________ (远离) animals.
________ _________ ________（多喝水）is good for your health.
Must we keep the window open ________ __________ _________（一直）？
We should often _________ _________ __________ _________ (使窗户开着) to let the fresh air in.
First, we should __________ __________（增强体质）our bodies to prevent diseases.
助学 展示—反馈—导学
小组对话练习； 2. 能够运用课文内容用英语谈论战胜流感及保持健康的话题，并能运用所学知识给出合理建议。
用学 自测—反馈—点拨
单项选择。
（ ）1. You _________ watch TV too much, because it is bad for your health.
A. had better B. had better not C. should D. have to
( ) 2. Today is Sunday. He _________ get up early, because he doesn’t go to school.
A. doesn’t have to B. didn’t have to
C. won’t have to D. have to
( ) 3. The teacher is sitting _________ the four students.
A. between B. between and C. among D. among and
( ) 4. —Must I stay here all the time
—No, you ___________.
A. don’t have to B. must C. mustn’t D. need
( ) 5. —May I watch TV now
—Of course. ____________.
A. Go over B. Go ahead C. Hurry up D. You needn’t
测学 巩固—运用—拓展
用方框里所给选项的适当形式填空。
①do one’s best ②talk with ③spread easily ④do more exercise ⑤crowded places ⑥be afraid of
Kangkang’s father is a doctor. A journalist is __1 him on TV. He says, “The flu ___2 among people. But we don’t have to ____3 catching the flu. We must eat healthy food and ______4________. We must not go to ______5_____. We should ______6_____ to fight the flu.”
思学 回顾—总结—反思
本单元知识回顾。