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(共18张PPT)
Section B (2a~2d)
Unit 6
Crossing Cultures
学习目标
1
2
3
能够掌握否定前缀 un-/in-/im- 的含义，正确构成形容词的否定形式；并能在句子语境中判断是否使用否定前缀。
能够辨析 -ed /-ing 形容词的用法差异，并在对话语境中正确选用。
能理解筷子礼仪相关文本内容，掌握文中的餐桌礼仪常识与文化内涵。
Let’s say
eg. happy -unhappy
important
direct
possible
friendly
healthy
unimportant
indirect
impossible
unfriendly
unhealthy
Say the opposites.
What do “un- / in- / im-” mean
Do they have any differences in how we use them
All three prefixes (un-, in-, im-) are negative prefixes, which means they add the meaning of “not” or “the opposite of” to the adjectives they are attached to.
un-：最通用的否定前缀，适用于多数日常形容词，无特殊拼写限制。
im-：in - 的变体，用于以 m / p 开头的形容词（为了发音方便）。
in-：多用于拉丁语源的容词，后接除 l/m/p/r以外的字母开头的词。
2a
Write down the negative forms of the adjectives in the box using un- or in- / im- .
safe
tidy
formal
healthy
possible
important
direct
correct
proper
perfect
friendly
common
un- : _______________________________________________________
im- / im- : ___________________________________________________
unsafe, unfriendly, untidy, unhealthy, unimportant, uncommon
informal, improper, impossible, indirect, imperfect, incorrect
做这类题的核心是先看语境逻辑，再判断是否需要否定：
先读完整句子，理解上下文的语义关系；
判断是用原词（符合逻辑），还是用否定形式（与原词语义相反）；
再根据前缀规则（un- / in- / im-）写出正确形式。
2b
Complete the sentences with the correct forms of the adjectives in brackets.
Saying “hi” is an _________ way to greet others. (formal)
It is _________ to point at people in many countries. (polite)
The host is certainly _________ when you enjoy yourself at their party. (happy)
People usually dress in formal clothes when visiting some public places such as concert halls. It is _________ to wear shorts, short skirts, or jeans there. (proper)
In some cultures, it is OK to be late sometimes. People are _________ even if their meetings don’t start on time. (patient)
impolite
informal
happy
improper
patient
知识回忆：
-ed 形容词：主语 / 修饰对象为人，表示 “人感到…… 的”（内心感受）。
-ing 形容词：主语 / 修饰对象为物 / 事，表示 “事物令人…… 的”（事物特质）。
核心口诀：人的感受用 - ed，事物特质用 - ing。
2c
Circle the correct words to complete the conversations.
1. A: Did you understand the rules I found them confused / confusing.
B: I was confused / confusing at first too, but Mr Thompson explained them to me.
2. A: Isn’t it excited / exciting that James will marry Jennifer next month
B: Yes! I’m so excited / exciting, and I can’t wait to congratulate them.
can’t wait to do sth.
迫不及待做某事
2c
Circle the correct words to complete the conversations.
3. A: Sally was a little embarrassed / embarrassing just now.
She wished her friend happy birthday on the wrong date.
B: Oh no! That can be embarrassed / embarrassing.
Do you think it’s easy or difficult for foreigners to use chopsticks
What rules do you know about using chopsticks in China
Let’s talk
先看方框里的单词，读准音、记清词义；
不着急填空，先通读一遍，知道文章讲什么；
看空格，判断词性；
选词填空，注意变形；
填完后通读一遍，检查意思是否合理、语法是否正确。
In many Asian countries, it is ________ for people to eat with chopsticks. There are many rules and traditions about how to use chopsticks _________. Firstly, don’t stick your chopsticks into food. That is very bad _________. Secondly, don’t pull dishes close to you with your chopsticks. Thirdly, don’t point at others with your chopsticks or wave them about when you talk. ________, hold your chopsticks correctly. Using chopsticks looks easy, but it can actually be a little _________. The key thing is to keep trying. With plenty of practice, anyone can learn to use chopsticks well!
normal
properly
manners
Lastly
challenging
Let’s learn
1. It is + adj. + for sb. to do sth.（对某人来说，做某事是…… 的）
例：It is normal for people to eat with chopsticks.
2. bad manners（不礼貌、没规矩）
例：Sticking chopsticks into food is bad manners.
3. Firstly / Secondly / Thirdly / Lastly
分点列举：第一 / 第二 / 第三 / 最后，能使逻辑更清晰。
Retell the rules and traditions about how to use chopsticks. Try to add more rules, and then share with your partner.
Firstly, don’t ...
Secondly, don’t ...
Thirdly, don’t ...
Lastly, ...
Discuss in groups and then share your opinions.
Why is sticking chopsticks into food bad manners
What does the writer mean by “using chopsticks can be a little challenging”
What’s the key to learning to use chopsticks well
In Chinese culture, sticking chopsticks upright in food looks very similar to the incense sticks used during ancestor worship or funerals.
It is considered unlucky and impolite, so it is seen as bad manners.
It means that although using chopsticks seems easy, it is actually not easy to learn and use well at first. It requires skills and practice.
The key is to keep trying and practice a lot. And keep the rules in mind.
课堂总结
通过本课的学习，我能够:
1. 正确朗读并运用本课单词和短语: correct, unsafe, informal, improper, jeans, marry, congratulate, Asian, tradition, firstly, secondly, thirdly, correctly
2. 能够掌握否定前缀 un-/in-/im- 的含义，正确构成形容词的否定形式；并能在句子语境中判断是否使用否定前缀。
3. 辨析 -ed /-ing 形容词的用法差异，并在对话语境中正确选用。
4. 能理解筷子礼仪相关文本内容，掌握文中的餐桌礼仪常识与文化内涵。
Homework
回顾否定前缀 un- / in- / im- 的构词规则和 -ed / -ing 形容词的核心用法，整理笔记。
为外国友人写一份《筷子使用指南》，补充 1-2 条额外的筷子礼仪。

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