八年级英语Unit2
221 Topic 2 I must ask him to give up smoking.Section A 一、学习目标
1.为了保持健康继续学习好的生活习惯。
2.学习有用的单词和短语: article, cause, cancer, give up, throw around, litter, habit, energy, necessary, enough
3. 学习情态动词: must, must not 二、学习过程
1.掌握单词表上单词：From “article” to “enough”
（1）自读、纠错 （2）领读 （3）背记 （4）造句: It’s ____ __ for us to brush teeth twice a day. ▲注意运用句型：It’s necessary for sb. to do sth. 他不够上学的年龄。
He is not old _______ to go to school. 我们来得及赶到机场。
We have ______ time/time ______ to get to the airport. ▲注意辨别以上两句中enough的位置。 2.听读对话 1a.
3.自读1a,找出重、难点、短语和句型并释疑。 (1).一定不要在阳光下看书
_______________________________ (2).一篇有关吸烟的文章
________________________________ (3).我一定让他戒烟。
_______________________________________. (4).把它给我父亲看看。
_______________________________________. 链接：带某人参观…… _______________________. 4.1b. Work alone
重点理解、掌握:must, mustn’t, Don’t…, stay up late at night, put …into…,throw around…/ throw…around, brush your teeth twice a day. 5.1c巩固提高(must,mustn’t,Don’t…) 6.2a. Look listen and say: Healthy habits
▲注意“动词-ing”作主语的句子,加以记忆！ 7. 2b Group work
三、课堂测评
单项选择[来源:www.shulihua.net]
( )1.—Watching TV too much _______ bad for your eyes. —I’ll go to bed right away. A. is B. are C. was D. be ( )2.—If you feel _______, you should go to school. A. bad B. worse C. better D. good ( )3.—How often do you exercise? —_______ A. Less than three times a week. B. More than 10 hours. C. From one thirty to three. D.I often do it. ( )4._______ necessary for us _______ English well. A. This is; to learn B. It’s; to learn C. It’s; learn D. That’s; learn ( )5.If you eat _______ food and take _______ exercise, you’ll keep healthy. A. more; more B. less; less C. more; less D. less; more ( )6.—Humans can’t live _______ air. —I agree with you. A. without B. with C. in D. for ( )7.—I can’t keep myself active during the day. —You _______ take more exercise. A .must not B. must be C. need to D. may be ( )8.This article says _______ is bad for our lungs. A. smoke B. to smoke C. smoked D. smoking
( )9.You had better ask your brother ____ playing computer games. It’s bad for him. A. to give up B. not to give up
C. to give it up D. not give it up
( )10.You _______ walk across the road. It’s dangerous. A. may not B. don’t have to C. must not D. needn’t ( )11.Tom must______at home.
A.is B.be C.\\ D.go
八年级英语导学案
222 Unit 2 Topic 2 Section B 一、 学习目标：
1. 继续学习情态动词的用法。 2. 重点的单词及句型。
3. 练习学生们阅读能力，及其养成良好的生活习惯。 二、 重点知识：
1. 在含有must的一般疑问句中，肯定回答用must，否定回答mustn't，而用needn't , don't have to.
2. 拓展情态动词：can、 should、 may 、much、 could 、had better等词。 三．练习题： （ ）1.Health is very important to us. We should eat more vegetables and fruit in stead of ____ rich food.
A. too much B. much too C. very much D. too many （ ）2. You should ask your father to give up ____.
A. smoke B. to smoke C. smoking D. smokes （ ）3. ____ we know, food gives us energy. A. Of B. For C. As D. Like
（ ）4. ____ is necessary ____ us to learn English well. A. This, for B. That, to C. We, to D. It, for
（ ）5. The germs can get ____ the human body ____ the mouth. A. on, across B. into, though C. on, through D. into, across
（ ）6. You look tired. You __ go to bed early and ____ stay up late. A. should, should B. shouldn’t, shouldn’t C. shouldn’t, should D. should, shouldn’t （ ）7. － ____ I go home now?
－ No, you ____. You ____ finish your homework first. A. Must, mustn’t, must B. May, can’t, need C. Can, can’t, must D. Can, mustn’t, had to （ ）8. This room is ____, but it doesn’t have ___. A. enough big, enough windows
B. big enough, windows enough
C. enough big, windows enough D. big enough, enough windows
（ ）9. －Watching TV too much ____ bad for your eyes.
－ I’ll go to bed right away. A. be B. are C. is D. was
（ ）10. Which habit is bad for your health?
A. Going to bed early. B. Washing hands before meals. C. Doing morning exercises. D. Keeping long fingernails.
223-224 Unit 2 Topic2 Section C and Section D 学习目标：
1.继续学习情态动词should/shoudn’t 和 must/mustn’t的用法。 2.重点的单词及句型。
3.练习学生们阅读能力，及其养成良好的生活习惯 重点知识 ：
短语：.for a long time 很长时间 on an empty stomache 空腹
get into --- through--- 通过---进入---
keep the air clean and fresh 保持空气清新
wash hands before meals 饭前洗手
as we know众所周知 句型：
1. Something is wrong with ------- ---有毛病（病）
2. Different foods help us in different ways不同的食物对我们有不同的作
用. in different ways.译为“用不同的方式”。
If we eat too little or too much food-----如果我们吃太少或太多食物------ little 少得几乎没有，表否定，修饰不可数名词。 a little有一些，表示肯定，修饰不可数名词。
与 little ，a little类似的用法的还有 few， a few 。 few少得几乎没有，表否定，修饰可数名词。 a few有一些，表示肯定，修饰可数名词。
3. Walking is good exercise and it is necessary for good health. 散步是很好的锻炼，它是身体健康必不可少的。
be necessary for----对--------来说是必不可少的 如：
Sunshine is necessary for our life.阳光对于我们的生活来说是必不可少的。
相关推荐：
loading