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Unit 4 Why don't you talk to your parents？
【教学目录】
掌握本单元重要词汇
掌握本单元重要短语
重要语法
【教学详解】
一、重要词汇详解
1.allow（v）允许
【拓展】allow sb to do sth 允许某人去做某事
allow doing sth 允许做某事
2.midnight（n）午夜
【拓展】At midnight 在午夜
relation（n）关系
【拓展】relate（v）涉及
communication（n）
【拓展】communicate（v）沟通
Communicate……with……和……沟通
argue（v）争吵
【拓展】argument（n）争吵
Argue with sb 和某人争吵
cloud（n）云
【拓展】cloudy（adj）多云的
instead（adv）代替
【拓展】instead of+名词
whatever（pron）任何
【拓展】no matter what=whatever
No matter where=wherever
No matter who=whoever
No matter how=however
offer（v）主动提出
【拓展】offer to do sth 主动提供做某事
Offer sb sth 为某人提供某物
Provide sb with sth=provide sth for sb
explain（v）解释
clear（adj）清晰的（v）清理
【拓展】clear up=clean up 清理
compete（v）竞争
【拓展】completion（n）竞争
Complete for：为……竞争
二、重要短语
1.what's wrong？
2.look through：
3.big deal：
4.work out：
5.get on with：
6.cut out：
7.compare……with：
8.in one's opinion：
三、重要语法归纳
（一）表示建议句型
1.why don't you do sth=why not do sth？你为什么不做某事？
2.Let's do sth让我们做某事
3.You had better do sth.你最好做某事
4.Would you like sth？你想某物？
（二） 状语从句
考点一：until 引导的时间状语从句 until作连词，意为"直到"，引导时间状语从句时，需注意：
1.主句是肯定句时，其谓语用延续性动词，强调主句的动作或状态一直持续到从句的动作发生时为止，译成"直到……为止”。
I'll stay here until you come back.我会待在这里，直到你回来。
2.主句是否定句时，其谓语用非延续性动词，强调主句的动作在从句的动作发生之后才开始，一般译 成"直到……才……”。
We can't get off the bus until it stops.
直到公共汽车停下来时我们才可以下车。
We didn't start our discussion until he arrived.
直到他到了，我们才开始讨论。
【课堂练习】
一、根据汉语提示完成句子
1.Your answer has no (关系) to the question.
2.I want to do it in a (怡当) way. But l don't know how to do it.
3.You should (解释) why you are late.
4.-I am a (成员) of a dance club.
-Really l want to join it, too.
5.We were all (紧张的) because we made our teacher very angry.
6.After he got up, he took a shower and ate his breakfast as (通常).
7.Today many students are under much (压力). They are stressed out.
8.What's your (看法) for the new plan
9.You can't (抄袭) others' homework.
二、根据首字母提示完成句子
1.Lucas was late for class again, but he didn't e why to the teacher.
2.I'm used to going to work by subway i of driving.
3.Parents help kids to learn many living s such as doing chores, riding bikes and so on.
4.Drinking and driving will c traffic accidents.
5.My cousin always borrows my things without r them.
6.The doctor examined her but could find nothing w .
7.This cinema o the best service in the town.
8.Dolphins use sound to c with each other.
9.Nancy is always so n about exams that she can't fall asleep.
10.The twins a with each other and neither of them wanted to say sorry first.
三、根据所给的单词适当形式填空
1.Why don't you (follow) your mother's advice
2.He's good at with pressure. (deal)
3.Do they allow (smoke) in the cinemas
4.You'd better (take) a break.
5.What about (watch)TV
6.Why not (have) a try
7. The kids offered (take) out the trash.
8.The Internet plays an important role in our daily (communicate).

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