Unit 3 Teenagers should be allowed to choose their own clothes.（Section A 2a-2c）

Unit 3 Section A (2a—2c)
【学习目标】
1.掌握P19单词:earring, instead of,need.
2.Agree and disagree
【学习重点】同目标
【自学指导】
一、根据汉语意思写出正确的短语和句子。
1.在夜晚_______________ 2.在周末_______________ 3. 在那个年龄_______________
4.而不是；代替__________________ 5.和某人一起度过____________________________
6.它看起来不干净。
_________________________________________
二、背诵Grammar Focus.
【活动探究】
一、疑难点拨
1. I disagree. 我不同意。I agree. 我同意。
(1)agree意为“赞成，同意”，可以单独使用， -Shall we go to the zoo tomorrow? 我们明天去动物园，好吗？ -I agree. 我同意。
☆agree with sb 同意/ 赞成某人 I quite agree with you. 我完全赞成你的意见。
☆agree to do sth 同意做某事
The boss agreed ______( put) off the meeting.
(2) agree的反义词是disagree
2. They talk instead of doing homework. 他们说话而不是做作业。
instead of “代替,而不是” instead of +名词/ 代词/动名词
eg.I want that book instead of this one.。
We went to swim instead of ______ (play) basketball.
注意：instead意为“代替，相反”，常位于句首或句末，有时不翻译。
eg.I didn’t go to cinema. Instead, I went to go shopping.
The water here is not good, so I drink coffee instead.
3. need 的用法
☆need 实义动词 “需要” need to do sth 需要做某事（表主动）
eg.We need to arrive on time.
He needs _______ (have) a rest.
need doing sth 需要做某事 (表被动)
eg. The shoes need mending 鞋需要修理。
The machine needs _______(repair).
☆ need 作情态动词 “需要” 常用在疑问句和否定句中。
eg. He needn’t do that.
注意：Must ……? 否定回答： No, … needn’t.
eg. -Must he stay here? -No, he needn’t.
二、听录音，完成2a.2b.
【反馈练习】
单选。
( )1. The music sounds ______.
A.good B. well C. nicely D. beautifully
( )2. I need time ______ my computer.
A. to mend B. mending C. mend D. mended
( )3. His mother didn’t allow him an MP3.
A. buying B. to buy C. buy D. bought
( )4. My younger sister wants to get her ears .
A.pierce B. pierced C. piercing D. to pierce
( )5. His son is boy. He is very lovely.
A. a 8-year-old B. an 8-year-old C. a 8-years-old D. an 8-years-old
( )6. Don’t spend much time TV.
A. in B. on C. at D. to
( )7. Should I be allowed my own decisions?
A. make B. making C. to make D. made
( )8. He should stop that silly earring.
A. to wear B. wearing C. wear D. to wearing
( )9.They are_______ to make few mistakes.
A. careful enough B.enough careful
C. carefully enough D.enough carefully
( )10.The floor doesn’t look _______. Can you ______ it?
A.cleaned; clean B.clean; clean
C.cleaning; clean D.cleaned; cleaning
( )11.-Must Tom finish it today?
- _________.
A. Yes, he need B.Yes, he mustn’t
C.No,he mustn’t D.No,he needn’t
( )12. The garden doesn’t need _______.
A. water B.watering C.to water D.to watering