Unit 7 Teenagers should be allowed to choose their own clothes.单元知识总结 人教版九年级全册

Unit 7 - Teenagers should be allowed to choose their own clothes.
1. 课文主题概述
本单元主题是“青少年与自由选择”，探讨青少年是否应该有权决定自己的生活，比如选择衣服、管理时间或处理问题。通过本单元，学生将学习如何表达观点、支持或反对某一立场，并使用情态动词should和be allowed to来提出建议或阐述立场。
学习目标：
掌握如何用英语表达个人意见和理由。
学习与“自由选择”相关的词汇和句型。
使用should和be allowed to表述建议和许可。
2. 单词与短语讲解
核心单词：
teenager (n.) 青少年
例句：Teenagers should learn to take responsibility for their actions.
allow (v.) 允许
例句：Parents should allow teenagers to make their own decisions.
衍生：be allowed to (phr.) 被允许做某事
例句：Students are not allowed to use mobile phones in class.
opinion (n.) 意见，观点
例句：In my opinion, teenagers should spend less time on their phones.
相关短语：express one’s opinion 表达某人的观点
decision (n.) 决定
例句：It’s important for teenagers to make their own decisions.
responsibility (n.) 责任
例句：Teenagers should take responsibility for their choices.
衍生：responsible (adj.) 负责的
核心短语：
be allowed to do sth. 被允许做某事
例句：Teenagers should be allowed to choose their friends.
make one’s own decisions 做自己的决定
例句：It’s important for teenagers to make their own decisions.
express one’s opinion 表达某人的观点
例句：Parents should listen when teenagers express their opinions.
spend time doing sth. 花时间做某事
例句：She spends too much time watching TV.
have the right to do sth. 有权做某事
例句：Everyone has the right to express their opinion.
3. 句型与语法重点
A. 情态动词 should
用法：表示建议或应该做的事。
例句：Teenagers should learn to be independent.
常用句型：
Should... ：用来询问建议。
例句：Should teenagers be allowed to stay up late
You should...：用于建议他人。
例句：You should talk to your parents about your problems.
B. be allowed to 的用法
结构：
主语 + be allowed to + 动词原形
例句：Students are allowed to use the library after school.
否定形式：
主语 + be not allowed to + 动词原形
例句：Children are not allowed to play games during class.
疑问形式：
Is/Are + 主语 + allowed to + 动词原形
例句：Are teenagers allowed to make their own decisions
练习：将下列句子改为含有be allowed to的形式：
Parents let their children watch TV.
→ ____________________________________
Teenagers can’t go out alone.
→ ____________________________________
4. 课文重点解析
课文围绕青少年是否应该被允许自由选择展开，重点介绍了支持和反对两种观点：
支持自由选择的理由：
Teenagers should be allowed to choose their own clothes because it helps them develop their own style.
Making their own decisions helps teenagers become more responsible.
反对自由选择的理由：
Teenagers should not be allowed to stay out late because it’s dangerous.
Parents should guide their children to make the right choices.
讨论观点：
A: I think teenagers should be allowed to have part-time jobs.
B: I disagree. They should focus on their studies.
5. 课堂练习
A. 翻译句子
青少年应该被允许自己选择衣服。
你认为学生应该被允许带手机上学吗？
父母应该倾听孩子们的意见。
青少年需要为自己的决定负责。
B. 选词填空
选词：opinion, allowed, responsibility, decisions, should
In my ________, teenagers ________ learn to manage their own time.
Parents should let children make their own ________.
Students are not ________ to leave school without permission.
Taking ________ for one’s actions is important for teenagers.
C. 改写句子
Parents let their children choose their clothes.
→ ____________________________________________
You need to make your own decision.
→ ____________________________________________
6. 拓展阅读与写作
A. 阅读短文
主题：Should Teenagers Have More Freedom
Teenagers often want more freedom in their lives. They think that making their own decisions helps them become independent. For example, choosing their own clothes or managing their time teaches them responsibility. However, parents worry that too much freedom may lead to poor decisions. It’s important for teenagers and parents to communicate and find a balance.
问题：
Why do teenagers want more freedom
What do parents worry about
How can teenagers and parents solve this problem
B. 写作任务
题目：Should teenagers be allowed to choose their own clothes
要求：用5-8句话阐述你的观点，支持或反对青少年自己选择衣服，并给出理由。
范例：
In my opinion, teenagers should be allowed to choose their own clothes. First, it helps them develop their personal style and express themselves. Second, making their own choices helps them learn responsibility. However, parents should guide them if their choices are not appropriate. Finding a balance is the key to solving this problem.
【编者注：这份讲义全面覆盖了Unit 7的词汇、句型、语法和课文要点，帮助学生学会用英语表达观点、提出建议并讨论青少年的自由与责任。】