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八年级英语备课组教案
Name Date Period 7
Topic Unit 2 Topic 2 Class type New
Teaching aims 1）Learn some knowledge of healthy habits and unhealthy habits; 2）Learn the modals for necessity: must, must not, may, can; 3）Lead students to form good living habits to keep healthy; 4）Talk about personal hygiene; 5）Learn to get information by using simple reading strategies.
Important points 1）The sentence pattern “We must/must not …？”; 2）The expressions of making requests and suggestions; 3）Learn the alternative questions; 4）Learn to talk about of food and health. 5）Sum up the usages of model verbs and useful expression; 6) Educate students to cultivate good eating and living habits.
Difficult points 1）The modals for necessity: must, must not, may, can; 2）Educate students to cultivate good eating and living habits; 3）Learn the alternative questions.
Teaching steps Section A 备注
Teaching procedure Review Review how to talk about illness.
Lead-in T: Now I will make a survey about your living habits. Would you mind answering Ss: Of course not. T: Do you brush your teeth every day S4: Yes. T: Is it a good or bad living habit, boys and girls Ss: It’s a good habit. T: Yes, it’s good for our health. In this lesson, let’s talk more about living habits and discuss which are bad and which are good.
Check the preview What’s wrong with Kangkang today Why (2)What advice does Jane give Kangkang
Teaching the new lesson 主要句型： 选择疑问句： —going to bed early good or bad for our health —It’s good./It’s bad. 主要知识点： What caused it？怎么了？ =What’s happening =What’s wrong =What’s the matter/trouble =What’s up stay up 熬夜 =sit up Eg : Staying up late is bad for your health. = To stay up late is bad for your health. 动名词和动词不定式当主语 I see.=I know. 我知道了。 feel+形容词 feel sleepy/terrible/tired 感到想睡/难受/疲惫 little adj. little/a little +不可数n. 译为：几乎都没有/一些 eg: little water 几乎没有水 a little water 一些水 few/a few +不可数n 译为：几乎都没有/一些 few friends 几乎没有朋友 a few friends 一些朋友 have a big breakfast 吃一顿丰盛的早餐 medicine 不可数n. have/take some medicine pill 可数n. take/have some pills meal wash hands before meals play sports right after meals eg; We have three meals a day. fingernail n. 指甲 keep fingernails long留长指甲 =keep long fingernails keep fingernails short 留短指甲 =keep short fingernails 10.without 没有 反：with 有 He went to school without breakfast 他没有吃早饭就去上学。
Exercise in class 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. Something was wrong with his s_______. He felt sick after meals. 3.I want to _______ (选择) a nice gift for her as a birthday present.
Summary Review to talk about of food and health. Review the alternative questions.
Homework Finish the exercise in the workbook. Sum up your good and bad habits.
Thoughts after teaching
Teaching steps Section B 备注
Teaching procedures Review Review the alternative questions; Review how to talk about of food and health
Lead-in T: Is smoking good or bad Ss: It’s bad! T: Yes. So we must not smoke.
Check the preview (1)Which part of our body is smoking bad for (2)What may smoking cause
Teaching the new lesson 主要句型：must用法 肯定句：主语+must+动词原形 否定句：主语+must+not+动词原形 You must not work on the lawn. =Don’t walk on the lawn. 一般疑问句：must+主语+动词原形……？ must be+ 表语 转变成：一般疑问句：Can……be？ 否定句：can’t be…… Eg： This must be your pen。 Can this be your pen？ This can not be your pen. cause n. 原因.起因.理由 Eg： The cause of traffic accident . You have no cause to cry . 区分cause reason cause: 导致事故发生的原因 the cause of …… eg:导致这件事故发生的原因 the cause of this acccident reason: 说明事情的理由 the reason for sth/doing sth eg: He didn’t want to tell me the reason of being late. (1)show v. 1)show sth. to sb. 把某物给某人看 =show sb. sth. 给某人看某物 eg: Ann will show her photos to Lily. Ann will show Lily her photos. 2)show sb. around 带某人参观 3)show that+句子 表明…… （2）show n. a fashion show 一场时装秀 give up sth./doing sth.放弃某物/放弃做某事 eg : give up your dream放弃你的梦想 give up smoking/drinking戒烟/戒酒 litter 不可数n. 垃圾 . eg: put litter into the dustbin 把垃圾扔进垃圾箱 throw litter around 乱扔垃圾 energy 不可数n. eg: give you energy 给你能量 necessary adj. 必不可少的 1)sth. is necessary for sth. eg: Water is necessary for us. 2)It’s necessary for sb. to do sth. eg: It’s necessary for us to do morning exercises. enough enough adj. enough+n. eg: enough money/water/time/sleep enough adv. adj.+ enough old/early enough adj. +enough to do sth. 句型转换： so ……that…… too……to…… eg: 她已到自己做决定的年龄了。 She’s old enough to decide for herself. She’s so old that she can decide herself. 光线不够好不能照相。 The light is not good enough to take photos. The light is too old to take photos. keep sb. +adj. 使某人保持…… keep you active/healthy
Exercises in class ( )1._______ necessary for us _______ English well. A.This is; to learn B.It’s; to learn C.It’s; learn D.That’s; learn ( )2.—Humans can’t live _______ air. —I agree with you. A.without B.with C.in D.for ( )3.This article says _______ is bad for our lungs. A.smoking B. to smoke C.smoked D.smoking ( )4.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 ( )5.You _______ walk across the road. It’s dangerous. A.may not B.don’t have to C.must not D.needn’t
Summary The sentence pattern “We must/must not …？”; Review how to form good living habits to keep healthy;
Homework Use “must” and “ must not” make five sentences. Recite 2a Finish the exercise in the workbook.
Thoughts after class
Teaching steps Section C 备注
Teaching procedures Review Review the modals for necessity: must, must not
Lead-in T: Do you often get headaches, S1？ S1: Sometimes. T: Do you know what causes headaches, S2 S2: I don’t know. T: Never mind. How do you feel when you don’t get enough sleep, S3 S3: I feel sleepy. T: What about you, S4 S4: I may have a headache. T: Yes. You might get a headache if you don’t get enough sleep. In fact, a headache is a pain in your head. It’s not a disease itself. Working too hard, exercising for a long time on an empty stomach may cause headaches.
Check the preview Try to answer the questions: What causes headaches
Teaching in class have a headache 头疼 =a pain in one’s head when 引导时间状语从句(动词不一定为持续性动词) eg: I was reading English books when Lucy came in. while引导时间状语从句 (动词必须为持续性动词) eg: My mother was cooking while my father was watching TV. might 情态动词 may 的过去式 eg: He might know the result yesterday. 他可能昨天就知道成绩了。 表示委婉语气 eg: You might catch a cold when you have a bath with cold water. on an empty stomach 空腹 get into the human body 进入人们体内 through （与in关联，里面） through the mouth/nose/skin across （与on关联，在……之上） 过马路 cross/go across the road keep the air fresh保持空气清新 drink sour milk 和酸臭的牛奶 tidy one’s rooms 整理某人的房间 sweep the floor 扫地 spit in public 在公共场合吐痰
Exercises in class A)根据句意及首字母提示补全单词。 1. Chocolate gives you e_______. But eating too much is bad for your teeth. 2. He wrote an a_______ about Wang Xiaoya. 3. Something was wrong with his s_______. He felt sick after meals. 4. Fruit is good for our health. We like to eat w_______ in summer. 5. Many d_______ are caused by germs.
Summary The modals for necessity: must, must not, may, can;
Homework Recite 2a. Finnish the exercise in the workbook. Write a passage about “How to keep away from the germs”.
Thoughts after class
Teaching steps Section D 备注
Teaching procedures Review 1、Review the modals for necessity: must, must not, may, can;
Lead-in T: There are so many kinds of foods, vegetables and fruits. As we know, good health is very important. Do you know what we should eat to keep healthy
Check the preview (1)What must we have to keep healthy (2)What should we eat (3)What can help make us strong (4)What can make us sick (5)What’s necessary for us to do chocolate
Teaching in class as we know众所周知 more +adj. than多于 eg:健康比财富更为重要 Good health is more important than wealth. in different ways以不同的方式 1) make +宾语+ n. eg: We make him our headmaster. 2) make +宾语+ adj. eg: 使我们高兴/健康/伤心 make us happy/healthy/sad 3) make +宾语+do sth. eg: 让我们笑了/哭了 make us laugh/cry 5. a glass of milk 一杯牛奶 6. an egg a day 一天吃一个蛋 7. eat too little or too much 吃太多或太少 8. healthy eating habits 健康的饮食习惯 9.eat more fruit and vegetables and less meat 多吃新鲜的水果和蔬菜，少吃肉
Exercises (A)根据句意及汉语提示填空。 6.Smoking is bad for our lungs. It may cause ______ (癌症). 7.I want to _______ (选择) a nice gift for her as a birthday present. 8.The burglar (盗贼) got in_______ (从，通过) the window. 9.Li Fei likes throwing _______ (垃圾) about. That’s not polite. 10. Look! She is _______ (扫) the room now.
Summary The usages of model verbs and useful expression.
Homework 1. Recite 1. 2.Finish the exercise in Section D
Thoughts after class

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