| Unit 3 Teenagers should be allowed to choose their own clothes. Section A & B |
主编：黄冈中学英语集体备课组
Step 1 The introduction to the text
Can you do everything you can at school? Of course not. In every school and every family there are lots of rules. For example, teenagers can’t go out on school nights. Teenagers must not drive. Teenagers can’t get their ears pierced. Are teenagers for all the rules? Everybody wants to be free. From Section A and Section B, we learn that teenagers think they should be allowed to do everything they like, such as choosing their own clothes, having part-time jobs, going shopping with friends, being volunteers in the free time, designing the school uniforms, having longer vacations. Do you agree or disagree with them?
Step 2 Language points
I Key words
1．silly adj. 傻的；愚蠢的
The silly child often hangs out in the street.
Don’t make silly mistakes any more.
Tom often asks his father some silly questions.
拓展：
（1）It’s silly of sb. to do sth.
It’s silly of you to waste so much time on computer games.
=You are silly to waste so much time on computer games.
（2）同义词有：foolish, stupid. 反义词有：clever, wise
2．study n. 学习；研究
Dave, you should spend more time on study on weekends.
Many foreigners are interested in the study of China’s history.
链接：
（1）study作名词时，还可以表示“书房”。
In the study, there is a computer and a shelf.
（2）study v. 学习；研究
Jim is studying French in Paris.
Last night I studied for a math test.
They have been studying Chinese culture for many years.
拓展：study和learn都是“学习”，用法区别是：
（1）learn侧重学习的成果，指从不知到知，从不会到会的学习。强调通过学习去获得知识和技能。还可以表示向某人学习，从某处学习。
如：learn English, learn new words, learn to swim, learn from experience/mistakes, learn from each other
（2）study强调学习的过程，指深入系统地学习。带有努力、勤奋的意味。学习对象往往是科学，艺术和需要深入研究的问题及学科，不是单纯地获得技巧。
如：study the life of pandas, study environment problems
下列句子中的learn和study能互换吗？
She learned to cook from her mother. (不能)
Kate often studied late at night. (不能)
The police are studying the cause of the traffic accident. (不能)
I have learned English for six years. (能。学习某学科，learn和study可以换。)
3．opportunity n. 机会；时机
He has an opportunity to work in the USA.
I want to take the opportunity to say thanks to my teachers.
My sister caught an opportunity to go to Hawaii for vacation last year.
The boy missed an opportunity of joining the army.
拓展：同义词是chance。他们的异同点是什么呢？
（1）两个词后面可接to do或of doing。
chance of winning the game, chance to succeed
（2）chance后面可接从句，opportunity则不能。
It is a chance we won the soccer game.
opportunity强调机会是很恰当的。可帮你完成想做的事，chance强调偶然性．
4．volunteer
n. 志愿者
Lots of young people want to be a volunteer for the Asian Games in Guangzhou.
v. 自愿做某事
Thousands of university students volunteer to help the local people after the earthquake.
5．experience n. 经验（U）；经历（C）
Mr. Black is a teacher with twenty years’ teaching experience.
The policeman has lots of experience dealing with traffic accidents.
Last weekend I had an unusual experience. I saw an alien!
The man told us some interesting experiences while working in France.
拓展：experience还可用作动词，意思是“体验”。
In life, we all experience successes and failures.
You can experience a horse ride in the park.
6．member n. 成员
Party member
Her dream is to become a member of the national ping-pong team.
He regards the pet dog as one family member.
Ⅱ key phrases
1．instead of 而不是；代替
Tony likes meat and fish instead of vegetables.
This morning I did the chores instead of going shopping with friends.
They are doing sports on the playground instead of in the gym.
链接：instead adv.代替；反而
Jim fell off his bike yesterday. So I attended the meeting instead.
My mom wasn’t angry about what I said. Instead, she cooked a big dinner for me.
2．stay up 熬夜
Don’t stay up, Peter. You have to get up early for a big test tomorrow.
I stayed up watching a soccer game last night.
3．concentrate on 集中精力；专心
He can’t concentrate on his work these days, because he has to look after his sick parent.
My mom concentrates on studying for a driving test.
The boy is concentrating on what the teacher’s saying.
4．at present 目前，现在
He is busy making a new movie at present.
At present all the flowers come out in the garden.
Ⅲ key sentences
1．Sixteen-year-olds should be allowed to get their ears pierced.
十六岁的人应该被允许穿耳洞。
结构分析：should be allowed 是含有情态动词的被动语态。
难点：pierced是什么形式？
解答：pierced是pierce的过去分词，表示被动。
This morning Jim got his bike repaired.
Tony, you should get your hair cut.
Yesterday I had the wall of the bedroom painted.
2．So do we.
我们也一样。
结构分析：这是一个倒装句。
So + 助动词（be动词、情态动词）+主语的句式表示上文的情况同样适合下文，上下文中的主语不同。助动词（be动词、情态动词）要和上文保持一致。
Jim likes music a lot. So does his sister.
Cindy has already passed the English exam. So have I.
Michael can play basketball. So can Kangkang.
Kate is good at painting. So are Jane and Maria.
拓展：So +主语+助动词（be动词、情态动词）的句式表示赞同上文的观点。上下文中的主语相同。助动词（be动词、情态动词）要和上文保持一致。
The opening ceremony of the World Expo is really wonderful. So it is.
Kangkang used to do sports half an hour every day. So he did.
Harry Potter always wants to help his friends. So he does.
Ⅳ Grammar
含有情态动词的被动语态。
构成：情态动词+ be + 及物动词的过去分词。
Young trees must be watered often.
The sick boy should be taken to the hospital at once.
Your bag may be left in the car.
Your homework can be handed in tomorrow.
Our soccer game has to be put off because of the heavy rain.
The book can’t be taken away from the library.
The clock needn’t be repaired now.
The emperor’s bedroom mustn’t be visited.
Step 3 Consolidation（真题演练）
1．—（兰州）I hear Huang Guang made an English speech at the graduation ceremony yesterday.
—___________, and ___________.
A．So he did; so did I B．So did he; so I did
C．So he was; so was I D．So was he; so I was
答案：A
2．（河北）Don’t put off today’s work for tomorrow. I mean, today’s work ___________today.
A．may do B．must do
C．may be done D．must be done
答案：D
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