初三英语Unit4 Teenagers should be allowed to choose their own clothes
知识疏理

词汇
pierce, license，silly, earring, instead of, stay up, concentrate on, design, present, opportunity, volunteer, local, member, mess, old people’s home , sleep, reply , newsletter, obey , get in the way , achieve , realistic , taught , importance, care about , succeed , point .
句型
1.Teenagers should be allowed to choose their own clothes.
2.Students should not be allowed to have a part-time jobs .
3.He should stop wearing that silly earring .
4.They talk instead of doing homework .
5.They aren’t serious enough at that age.
6.Parents should not be too strict with teenagers .
7.That would be a good ways to keep both her and students happy .
8.Last summer I had an opportunity to volunteer at the local hospital .
9.Everyone needs to have at least eight hours’ sleep a night.
10.I agree with some ideas and disagree with others .
重点难点
Teenagers should be allowed to choose their own clothes .
这是一个含有情态动词被动语态的句子。
当主语为动作承受者时，句子用被动语态，其构成是：be+过去分词，其时态通过be表现出来。例如 ：
History is made by the people 历史是由人民创造的。
The factory was set up in 1985 . 这个工厂是1985年。
The bike will be brought here soon . 那辆自行车很快就会被送到这儿来。
含有情态动词的被动语态, 其结构是 ：情态动词+be+过去分词。例如：
The work can be finished in two days .两天之内这项工作能完成。
Apples should be picked up at the right time .应该在合适的时候摘苹果。
The trees must be watered every day . 每天都必须给这些树浇水
Your homework may be handed in after school .你们的作业可以放学以后交。
情态动词被动语态的否定形式是在情态动词的后面加否定词 。例如：
The children mustn’t be allowed to play in the street .绝对不允许孩子们在大街上玩。
Most stars can’t be seen in the day time .大部分星星白天看不到。
So heavy things shouldn’t be put on the box .那么重的东西不应该放在箱子上。

单元达标
Ⅰ. 词汇
（A）词形转换
1.sleep (形容词）__________ 2. teach (过去分词）_________
3. succeed (形容词）_________ 4.recent（副词）__________
5.choose (过去分词）_________
(B)根据句意和首字母提示补全单词
1. Students should not be a________ to have part-time job .
2. Everyone needs to have at least eight h_______ sleep a night .
3. Please clean up the classroom .It’s a real m_______ .
4. I can’t c_______ which kites to buy . They both look nice.
5. Parents shouldn’t be too s______ with teenagers .
Ⅱ. 单项选择
( ) 1. I think teenagers _______ go out with their friends every night .
A. should be allowed to B. should allowed
C. be should allowed D. should be allowed
( ) 2. Students ________ have part-time jobs .
A. not should be allowed to B. should not be allowed to
C. should be not allowed to D. should be allowed not to
( ) 3. He should stop _______ that silly earring .
A. wears B. to wearing C. wearing D. worn
( ) 4. They aren’t _________ at that age .
A. no serious B. much serious
C. enough serious D. serious enough
( ) 5. We have _________ at my house .
A. a lot of rules B. a lot of rule C. many rule D. much rules
( ) 6. We would _______ more ______ our clothes than our studies .
A. concentrate , in B. concentrate , on
C. concentrate , to D. concentrate , of
( ) 7. Anna is allowed ______ her own clothes .
A. to choose B. chose C. chosen D. choose
( ) 8. They ______ two days ______ to have a good rest .
A. have , off B. had , on C. give , back D. are , in
( ) 9. Everyone ______ to have a good rest .
A. needs B. need C. needn’t D. don’t need
( ) 10. The machine in the corner is making a lot of _______ .
A. noise B. noisy C. noisily D. noises
( ) 11. Can we think of another way to keep ______ teachers ______ students happy .
A. all , or B. all , and C. either , or D. both , and
( ) 12. I ______ think teenagers ______ go out at night .
A. / , shouldn’t B. don’t , should C. don’t , aren’t D. / , aren’t
( ) 13. We can lear
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