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(共18张PPT)
Unit 6
Crossing Cultures
Section B Vocabulary in use
学习目标
能够理解形容词否定前缀un-和in-/im-的意义，并在语境中正确使用形容词或其否定形式。
能够掌握含有后缀-ing/-ed的成对形容词的意义区别并在语境中准确运用这两类形容词。
01
02
能够使用所学单词完成有关筷子文化的语篇，理解语篇的主旨和内涵，加深对亚洲筷子文化的了解，并能简要介绍使用筷子的礼仪。
03
Lead in
Let’s learn opposite adjectives!
Write down the negative forms of the adjectives in the box using un- or in-/im-.
2a
safe formal proper possible friendly direct
tidy healthy perfect important common correct
un-: ________________________________________________________
unsafe,
unfriendly, untidy, unhealthy, unimportant, uncommon, unhappy
im- / in-: __________________________________________________
informal, improper,
impossible, imperfect, incorrect, indirect
Let’s learn
否定前缀 un- / im- / in- , 三者均为否定前缀，加在词基前表示“不、非、无”的含义
1. un- 的用法
适用词基的类型：可接形容词和动词，少数接名词。
接形容词：happy → unhappy（不开心的）、healthy → unhealthy（不
健康的）、fair → unfair（不公平的）
接动词：do → undo（撤销）、cover → uncover（揭开）、lock →
unlock（解锁）
接名词：rest → unrest（动荡）、employment → unemployment（失业）
2. im- 的用法
适用词基类型：仅接以唇音字母 m / p 开头的形容词或名词。
接m开头词基：moral → immoral（不道德的）、mature →
immature（不成熟的）
接p开头词基：possible → impossible（不可能的）、patient →
impatient（不耐烦的）、polite → impolite（不礼貌的）
3. in- 的用法
适用词基类型：接以非 m / p 开头的形容词或名词，是 im- 的基础形式。
常见搭配：direct → indirect（间接的）、dependent →
independent（独立的）、finite → infinite（无限的）、
justice → injustice（不公）
派生词由词根加派生词缀构成。大多数前缀并不影响词根的词性，而仅对词根的意义加以修饰。其中用在形容词前表示否定的前缀常见的如下：
前缀 用途 例词
un- unlucky
in- incorrect
im- impolite
il- illegal
ir- irresponsible
dis- dishonest
non- non-traditional
适用于大多数形容词
常用于辅音字母（l，m，p，r 除外）开头的形容词
常用于以b，m，p 开头的形容词前
常用于以l开头的形容词前
常用于以r开头的形容词前
常与表达态度、品质的形容词连用
仅客观说明“不属于某一类别”
拓展
Complete the sentences with the correct forms of the adjectives in brackets.
2b
1.Saying “hi” is an ________ way to greet others. (formal)
2.It is ________ to point at people in many countries. (polite)
3.The host is certainly _______ when you enjoy yourself at their party. (happy)
4.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)
5.In some cultures, it is OK to be late sometimes. People are ________ even if their meetings don’t start on time. (patient)
informal
impolite
happy
improper
patient
Look at the compound words in the box. Do you know what they mean Complete the sentences using five of these words.
2c
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.
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.
Complete the passage with the correct forms of the words in the box.
2d
normal last manner proper challenge
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
Language points
1. Isn’t it exciting that James will marry Jennifer next month
詹姆斯下个月要和詹妮弗结婚了，难道不令人兴奋吗？
marry sb. 嫁给某人 / 和某人结婚
e.g. She married a doctor.
她嫁给了一位医生。
【拓展】get married 结婚（强调动作）
get married to sb. 和某人结婚
e.g. They got married last year.
他们去年结婚了。
She got married to a teacher.
她嫁给了一位老师。
be married 已婚的（强调状态）
e.g. He is married to a famous singer.
他和一位著名歌手结婚了。
① can’t wait to do sth. 迫不及待地做某事
e.g. I can’t wait to read this science fiction.
我迫不及待地想看这本科幻小说。
2. I’m so excited, and I can’t wait to congratulate them.
我太兴奋了，都等不及要去祝贺他们了。
【拓展】can’t wait for sth. 急切地等某事
e.g. I can’t wait for the vacation.
我急切地等待假期的到来。
② congratulate v. 祝贺
congratulate sb. 祝贺某人
congratulate sb. on sth. 因某事祝贺某人
e.g. I congratulated him on his success.
我祝贺他成功。
She congratulated me on passing the exam.
她祝贺我通过了考试。
【拓展】congratulation n. 祝贺（常用复数）
congratulations to sb. on sth. 在某方面祝贺某人
e.g. Congratulations to you on passing the exam.
祝贺你通过了考试。
当堂检测
一、选择题。
1.You’d better put your bag on your knees. It’s ________ to take up two seats on the bus.
A. proper B. polite C. improper D. common
2.—Did you understand the rules
—Yes, but they were ______ at first.
A. confused B. confusing C. embarrassed D. embarrassing
3.We should use ______ language to greet elders.
A. unfriendly B. informal C. polite D. impatient
4.She is ______ to hear from her foreign friend.
A. exciting B.interested C. interesting D. excited
二、用所给词的适当形式填空。
1. Follow the teacher’s instructions carefully to complete the task _________(correct).
2. We are looking forward to ________ from you.
3.This broken chair is _________(safe) to sit on.
4.The ____________(embarrass) moment made her want to leave quickly.
correctly
hearing
unsafe
embarrassing
熟记本课时新单词，并挑选出5个单词造句，下节课上分享。
Homework

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