Unit 4 Lesson 20 Exercise
习题
一、根据句意和首字母提示填空，完成下列句子。
1.--How o__________ does your mother shop?
--Twice a week.
2. I also like English. But math is his f____________ subject.21·cn·jy·com
3. Some children often surf the I_______________ with the help of their parents.
4. We u_____________ play soccer on weekdays.
5. A____ for him, he is nothing but a dog. Don’t be angry with him.2·1·c·n·j·y
二、单项选择 选出能填入各句中相应空白处的最佳答案。
1. _____more fruits and vegetables is good _____ our health.21·世纪*教育网
A. Eating; to B. Eats; for
C. Eating; for D. Eat; for
2. —How_____ do you read English?
--Sometimes.
A. long B. often C. far D. much
3. A lot of vegetables ___you to keep in good health.www-2-1-cnjy-com
A. make B. want C. try D. help
4. Peter is _____because he hardly ever exercises.【出处：21教育名师】
A. tired B. happy C. healthy D. unhealthy
5. He knows a lot ______he is still a child.
A. so B. although C. but D. or
三、用所给单词的适当形式填空。
1. Look, the children are doing morning _____________ (exercise).21*cnjy*com
32. My brother and I like ___________(drink) coffee.【版权所有：21教育】
33. The bird can _______________ (sing) the “ABC” song. It’s very clever.
34. His mother often___________ (help) him to do his homework.2-1-c-n-j-y
35. There are many________________ (different) between you and your twin brother.
四、句型转换 根据要求完成句子。
1. Mr. Zhang taught him English two years ago. ( 改为一般疑问句 )21教育名师原创作品
_____ Mr. Zhang ___________him English two years ago?21*cnjy*com
42. Lucy put her books on the desk. (对划线部分提问)
__________ _________ Lucy put her books?
43. You’d better not ask your father this question. (改为同义句)www.21-cn-jy.com
______ _______ your father this question, please.【来源：21·世纪·教育·网】
44. Mike likes playing football very much. (改为否定句)
Mike _________ __________ playing football.
45. He goes to the park three times a week. (对划线部分提问)
_________ ____________ does he go to the park?
五、选词填空 从方框中选择合适的单词填入下列句子中。
46. We should ____________ every day. It’s good to us.21世纪教育网版权所有
47. here are some __________ between American English and British English.
48. ___________healthy food is good for you.
49. My pen is red, your pen is green. Mine is __________ from yours.【来源：21cnj*y.co*m】
50. His favorite _________ is Animal World.
答案：
一、
1.often 2.favorite 3.Internet 4.usually 5. As 21教育网
二、
1－5 CBDDB
三、
1.exercises 2.drinking 3.sing 4.helps 5. Difference21cnjy.com
四、
1.Did teach 2.Where did 3.Don’t ask 4. doesn’t like 5.How often
五、
46. exercise 47.differences 48.Eating 49. different 50.program
Unit 4 Lesson 20 Always Brush Your Teeth
习题
一、按要求填写
1、I____ (刷) my_____(牙) every day. He always_____(刷) his____(牙) after breakfast. Jenny is_____(刷) her____(牙) now. 21世纪教育网版权所有
2、Jenny_____(go) to school five times a week, ______Monday_____Friday.
3、What____ she do before supper? She___ (做) her homework. 21教育网
4、I brush my teeth after breakfast.(对划线部分进行提问)
5.Jenny goes to school on those days.（变否定句）
二、单词变换
1、easy(反义词) 2、twelve(序数词) 3、 left(对应词)
4、sun(形容词) 5、break(近义词)
三、连词成句我会做。
1，How you often do fruit eat.
__________________________________________________.21cnjy.com
2,gets Li Ming up at 7:00.
_____________________________________________________.21·cn·jy·com
3.brush I my teeth___________________________________www.21-cn-jy.com
4,bad for It’s you.
______________________________________________________.2·1·c·n·j·y
5.does’t Li Hong go school to
____________________________________________________?【来源：21·世纪·教育·网】
四、选择题不难。
1. Jenny _________ to school five times a week.
A go B goes C went
2.What _________ you do last summer?
A did B do C was
3 She __________her hands before lunch.
A wash B washes C wash
4,Sally always ___________ before breakfast.
A brush B to brush C brushes21·世纪*教育网
5,LiMing has breakfast ____7:00 in the morning.
A at B in C on
五、填空题好做。
1,Let’s go and help__________(he)
2,Mum, I want_________(drink) some milk.
3,My father often_____(read)books in the evening. www-2-1-cnjy-com
4 .It’s ___ (寒冷的)in Beijing.
5. It’s __(暖和的) in Chongqing.
答案：
一、
1. brush teeth brushes teeth brushing teeth
2. goes from to
3. did did
4. What do you do after breakfast?
5．Jenny doesn’t go to school on those days.
二、
1. difficult
2. twelfth
3. come
4.sunny
5. ruin
三、
1. How often do you eat fruit?
2. Li Ming gets up at 7:00.
3. I brush my teeth.
4. It’s bad for you.
5. Li Hong doesn’t go to school.
四、
1.B
2.A
3.B
4.C
5.A
五、
1. him
2．to drink
3. reads
4. cold
5. warm
Unit 4 Lesson 20 Always brush your teeth
教案
ⅠTeaching aims:
Knowledge Aims:
1. Learn to say: What time do you get up/go to school/go to bed/ have breakfast?
2. Learn the new words and expressions.
Ability Aims:
Use the words and sentences in daily life.
ⅡTeaching methods:
Reading / Listening / Talking / Singing / Play Games21教育网
ⅢTeaching aids:
Computer / TV / a tape recorder / brush
ⅣMain points and difficulties:
New words
Expressions and sentences
ⅤTeaching steps:
Step 1 Greetings and duty report
Good morning. /Afternoon everyone. / How are you? /Who is on duty today?
Step 2 Warming-up
Ask Ss some questions about the sentences of Unit 4 or act the dialogue of Last period.
Step 3 Presentation
1. Teach the new words and sentences.
2. Teach the dialogue and read it.
3. Listen to the tape and repeat, try to imitate the pronunciation and intonation.
Step 4 Practice
1. Draw and make the cards.
2. Play the cards game.
3. Read out the words and sentences according to the computer.21世纪教育网版权所有
4. Check up the result.
Step 5 Consolidation
1. Practice the sentences with the given words.
2. Make a dialogue.
Step 6 Homework
1. Read the words and sentences of this Unit.
2. Do some exercises in exercise books.
Unit 4 Lesson20 Always Brush Your Teeth!
教案
教学目标：
1.学生可以读、写、说出并且听懂after，before，teeth，face，teeth，comb
2.学会brush（your teeth），comb（your hair）等类型的短语
3.会运用after，before
4.试写作文My day
教学重点、难点分析：
重点：
学生可以读、写、说出并且听懂after，before，teeth，face，teeth，comb这些单词，并学会brush（your teeth），comb（your hair）等类型的短语。21·cn·jy·com
难点:
会运用after，before并试写作文My day
教学准备：
录音机和录音带 图片 三只表 牙刷 梳子 作文纸
教学方法：
利用实物和图片 动作表演 唱歌 利用教科书和录音带 分组练习 任务型教学
课型：
新授课
教学过程：
开始上课和复习
唱歌曲“In the Bathroom”，复习表达“刷洗”及表示身体部位的词汇。（歌曲能集中学生的注意力和锻炼听力，并可以快速复习词汇。）21cnjy.com
重要概念：
After,before;teeth,face;brush(your teeth),comb(your hair)21教育网
1.After and before
介绍：
展示三只在不同的时间的钟表，（出示图片起床；吃早饭；去上学）；
说两遍句子：I have breakfast at 7:00. Before I have breakfast, I get up. After I have breakfast, I go to school.www.21-cn-jy.com
听句子后，板书before, after，学生猜before, after的意思。（有利于学生锻炼动脑思维能力）2·1·c·n·j·y
讲这两个词的读音（板书音标），其中after结合afternoon去记。（讲音标有助于学生记住单词的构成，在循序渐进中，学生按音记单词会越来越容易）【来源：21·世纪·教育·网】
分排、个别读before; after,讲词before; after在句子中的翻译方法。（巩固单词的读音和用法。）21·世纪*教育网
利用《教科书》和录音带
播放书中第一部分录音，学生跟读。读后看书中第一部分图片，指着图说带before, after的句子。www-2-1-cnjy-com
练习：
做游戏“Before and After”
教师在黑板上画一个大钟表（不要指针）。面向钟表，在黑板的左侧写上单词before，在右侧写上单词after。找自告奋勇的学生到黑板前面来，每次找一名学生。要求每名自告奋勇者在钟表上画上指针，并按照教师的句子做动作。然后，他们说出短语：At__(时间),you__（动作）。然后要求每名自告奋勇的学生站在正确的单词下面作答，并且说出答案。（游戏可以调动学生学习积极性，而且可以很好地巩固所学知识。）2-1-c-n-j-y
2.Jenny’s week
介绍：
教师用自己的牙齿和脸来演示teeth, face,强调teeth是tooth的复数，相似的还有foot的复数是feet。21*cnjy*com
用一把牙刷表示brush your teeth的动作，用一把梳子演示comb your hair的动作。讲解这种短语的特点：动词+形容词性物主代词+名词。（用实物演示单词和动作可一目了然，很直观。讲解短语构成有利于学生学习此类短语，有时语法学习可以起到事半功倍的效果。）
利用《教科书》和录音带
播放书中第二部分录音，学生跟读，读后找出动词短语读读。（巩固此类短语特点）
练习
（1） 根据课文完成表格
Jenny’s week
From Monday to Friday
At 7:00
At 7:15
After breakfast
Then
Saturday and Sunday
don’t go to school
（2）参考Jenny’s week写出以My week为题目的小作文分组完成（提高学生综合运用英语的能力）21世纪教育网版权所有
结束课堂教学：
展示个别小组文章，并给予鼓励。
板书设计：
Lesson20 Always Brush Your Teeth!
Before after
teeth face
brush your teeth comb your hair
