(共24张PPT)
Module 12
Unit 3
Language in use
新
课
导
入
Look and say
a green life
reduce
recycle
reuse
学习目标
1.能熟悉并能正确运用本模块的单词和短语
2.能正确分析构词法的前缀后缀, 并能对其进行归纳和总结
3.能够谈论环保措施,并提出有关环保的建议
自主学习
Language practice
Reuse means “use again”.
Though pollution is heavy now, I don’t think it’s hopeless.
重点探究
1.What is it?
2.How to do it
3.Why do people do that
前缀 含义 例词
mis- 错误地 mislead, misunderstand
non- 不, 非 non-smoker, non-native
re- 再, 重复 rewrite, retell
un- 不 unable, unhappy, unpopular
2) 常见后缀
后缀 功能 例词
-er, -or 构成名词 teacher, worker, visitor
-ian musician
-ing building, painting, shopping, meaning
-ist artist, scientist
新知学习
课堂小结
当堂检测
学习目标
重点研讨
English for Fun
5. not possible______________
6. not usual ________________
7. without any use ___________
8. use again ________________
9. not wanted ________________
10. making a lot of waste _________
impossible
unusual
useless
reuse
wasteful
unwanted
新知学习
课堂小结
当堂检测
学习目标
重点研讨
2. Complete the sentences with the words in the box.
1. Polluted water is ____________.
2. It is _________ to throw so much food away.
3. If you look after things well, you may ________ some of them later.
4. It is __________ to clean up the whole river in such a short time.
5. If we pay attention to pollution now, the future will be ________.
unhealthy
wasteful
reuse
impossible
hopeful
hopeful impossible reuse unhealthy wasteful
后缀 功能 例词
-ly 构成形容词 friendly, lovely, monthly, weekly
-ous dangerous, famous
-teen 构成数词 eighteen, fifteen, seventeen
-th fifteenth, fifth, fortieth, seventh
-ty forty, sixty, twenty
-ly 构成副词 badly, carefully, carelessly, happily, quickly
3. 转化法
构词法中把一种词性转化为另一种词性而词形不变的方法称作转化法。常见的转化有:
1) 动词转化为名词
— Let’s talk about it more.
咱们再谈谈这件事吧。
— I think we’d better finish the talk now.
我想我们最好现在结束谈话。
5. Complete the sentences.
A lunchbox is a box that you keep your lunch in.
1. A ___________ is a card that you write on one side of and send to someone by post.
2. A ___________ is a room where you have classes at school.
3. A ___________ is a book that has one or more stories for children.
4. A ____________ is a black board that is used at school for writing on with chalk.
postcard
classroom
storybook
blackboard
6. Work in pairs. Look at the pictures and answer the questions.
1.What kinds of things can be recycled
2. How can these things be reused
3. How does this help the environment
4. Have you ever recycled or used things that can be recycled How
后缀 含义 例词
-able, -ible 构成形容词 comfortable, eatable, enjoyable
-al environmental, international
-ful careful, helpful
-ive active, expensive
-less careless, helpless, homeless
-ly friendly, lovely, monthly
-ous dangerous, famous
-teen 构成数词 eighteen, fifteen, seventeen
-th fifteenth, fifth, fortieth
-ty forty, sixty, twenty
-ly 构成副词 badly, carefully, happily
Grammar
英语构词法中把一种词性用作另一种词性而词形不变的方法叫做转换法。
三、转换法
动词转化为名词
— Let’s talk about it more.
— I think we’d better finish the talk now.
Grammar
5. Complete the sentences.
A lunchbox is a box that you keep your lunch in.
1. A ___________ is a card that you write on one side of and send to someone by post.
2. A ___________ is a room where you have classes at school.
3. A ___________ is a book that has one or more stories for children.
4. A ____________ is a black board that is used at school for writing on with chalk.
postcard
classroom
storybook
blackboard
6. Work in pairs. Look at the pictures and answer the questions.
1.What kinds of things can be recycled
2. How can these things be reused
3. How does this help the environment
4. Have you ever recycled or used things that can be recycled How
Complete the sentences with the words
in the box.
2
hopeful impossible reuse unhealthy wasteful
1 Polluted water is _____________.
2 It is ____________ to throw so much food away.
unhealthy
wasteful
3 If you look after things well, you may ______ some
of them later.
4 It is ___________ to clean up the whole river in
such a short time.
5 If we pay attention to pollution now, the future will
be ___________.
reuse
impossible
hopeful
Language points
1. switch off = turn off
Switch off the TV. We’re firing the laser.
2. take part in
Take part in something you believe in.
● Choose a subject that you care about the most. It could be water pollution, air pollution,
etc.
● Find out more information about your subject. Look it up on a website or in a book.
Work in groups. Decide what kind of pollution you want to talk about.
Discussion
Complete the sentences with the correct form of the words in Activity 3.
4
She was ___________ that her new job would make her more successful.
hopeful
The factory _________ the river, and the fish died.
polluted
2. We often walk in the countryside . It is a (n)
__________ activity for us.
3. Do not use so much water. It is very _________.
4. To keep the flowers growing, you need to
________them once a day.
water
wasteful
usual/useful