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(共24张PPT)
Module 12
Unit 3
Language in use
新
课
导
入
Look and say
a green life
reduce
recycle
reuse
reduce
reuse
recycle
2. 表示 “再”的前缀：
re-
rewrite, reuse, recycle
3. 表示 “错误地”的前缀：
mis -
mislead , misunderstand
4. 表示 “在……之间，相互”意思的前缀：
inter- 表示“在……之间，相互”：Internet
Grammar
前缀 含义 例词
dis- 不 disagree, dislike
en- 使……处在某种状态 enable, enrich
im-, in- 不 impossible, impatient, inexpensive
inter- 在……之间 international, interconnect
mis- 错误的 mislead, misunderstand
non- 不，非 non-smoker, non-native
re- 再，重复 rewrite, retell
un- 不 unable, unhappy, unpopular
Grammar
后缀 功能 例词
-ment 构成名词 agreement, government
-ness coldness, happiness, illness
-th truth, warmth
-tion competition, education, information, invitation
-ty activity, safety
后缀 功能 例词
-able, -ible 构成形容词 comfortable, eatable, enjoyable, possible,
-al environmental, international, national, traditional
-ful careful, helpful, useful
-ive active, expensive
-less careless, helpless, homeless, useless
新课讲解
6
Work in pairs. Look at the pictures and answer
the questions.
What kinds of things can be recycled
paper, plastic
2. How can these things be reused
Many paper and plastic things can be used
more than one time. Or we can change these things into decorations made by us.
新课讲解
3. How does this help the environment
We don’t need to cut down more trees to make paper if we reuse papers.
4. Have you ever recycled or used things that can be recycled How
I ever recycled to use paper cup, I just use them to make some small decorations such as pen container.
2) 名词转化为动词
She gave me a cup of water.
她给了我一杯水。
You should water the flowers twice a day.
你应该每天给这些花浇两次水。
3) 形容词转化为名词
She was wearing a black dress.
她穿着一条黑色的裙子。
The girl in black looks very beautiful.
那个穿黑衣服的女孩看上去很漂亮。
根据首字母提示和汉语或单词原型，写出正确单词形式。
1. (2024 安徽) The Shenzhou -17 team h (交) over their work to the Shenzhou-18 team on April 30th.
2. (2024 云南) David is a at a car factory. He loves his job. ( work)
3. (2024 江苏无锡) Jim has gone to bed This is very ________ (usual). He always stay up late.
handed
worker
unusual
中考真题小试
前缀 含义 例词
dis- 不 disagree, dislike
en- 使……处于某种状态 enable, enrich
im-, in- 不 impossible , inexpensive
inter- 在……之间；相互 international, interconnect
mis- 错误地 mislead, misunderstand
non- 不, 非 non-smoker, non-native
re- 再, 重复 rewrite, retell
un- 不 unable, unhappy
（1）常见前缀：
（2）常见后缀：
后缀 功能 例词
-er, -or 构成名词 teacher, worker
-ian musician
-ing building, painting
-ist artist, scientist
-ment 构成名词 agreement, government
-ness happiness, illness
-th truth, warmth
-tion competition, education
-ty activity, safety
Complete the sentences with the words in the box.
hopeful impossible reuse unhealthy wasteful
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
2
Noun Verb Adjective Adverb
useful /useless
hope hopefully/hopelessly
pollution ----
water ---- ----
waste
---- ----
use
use
usefully/uselessly
hope
hopeful/ hopeless
waste
polluted/unpolluted
water
wasted/wasteful
wastefully
pollute
Complete the table.
usual
usually/unusually
3
将A、B两部分词配对，组成一个合成词：
A what, book, class, no, down, south, black, good
B bye, stairs, shop, west, thing, board, ever, mate
whatever
bookshop
classmate
nothing
downstairs
southwest
blackboard
goodbye
1. Our country has a problem with its air pollution.________must be done!
A．Everything B．Something
C．Anything D．Nothing
2. These walls _______ stones. Please give up smoking. It’s___________to your health.
A. harm B. harms C. harmful D. harmless
3.We should use china cups because we can ______ them.
A．reduce B．reuse C．recycle D．break
选择合适的选项：
Task 3: Practice
be good for, throw away, turn off, worry about
Mike: No, of course not. But we can do more to protect the environment. For example, we can help keep the air clean by planting trees. Trees (4) ____________the environment. In this way, we can reduce the harm of pollution.
Ken: Good! So I can enjoy my holiday, and when I come back, I’ll plant some trees!
Mike: That’s the idea! Maybe we can all join in and start a small forest!
are good for
Look and say:
I want to go to the Caribbean for a holiday.
Caribbean
Noun Verb Adjective Adverb
water — —
waste
— — usually/unusually
water
waste
wasteful/
wasted
wastefully
usual/
unusual
Language practice
Complete the sentences with the correct form of the words in Activity 3.
She was ___________ that her new job would make her more successful.
hopeful
1 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
04
Language practice

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