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(共24张PPT)
Unit 3 Language in use
Module 12 Save our world
Language practice
Reuse means “use again”.
Though pollution is heavy now, I don’t think it’s hopeless.
Make new words. Join the parts of words in Box A with the words in Box B. You need to use some of the parts more than once.
1
-able -ful im- -less re- un-
A
B
care collect hope possible use
usual wanted waste
Warming up
Free talk
Please explain the words “reduce”, “reuse”, “recycle” in English.
Presentation
-able -ful im- -less re- un-
care collect hope possible use usual wanted waste
Make new words. Join the parts of words in Box A with the words in Box B. You need to use some of the parts more than once.
A
B
02
新课讲授
Now work in groups. Play the guessing game English for Fun.
collectable
hopeful
hopeless
impossible
unusual
useless
reuse
unwanted
wasteful
Reuse means “use again”.
Though pollution is heavy now, I don’t think it’s hopeless.
Read the sentences:
Task 1: Pre-reading
新课讲授
Make a new words. Join the parts of words in Box A with the words in Box B. You need to use some of the parts more than once.
A –able -ful im- -less re- un-
B care collect hope possible use usual wanted waste
collectable, usable
impossible
reuse
careful, hopeful, useful, wasteful
careless, hopeless, useless
unusual, unwanted
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
Now work in groups. Play the guessing game English for Fun.
English for Fun
1. full of care ___________
2. can be collected ____________
3. full of hope ____________
4. without any hope ____________
careful
collectable
hopeful
hopeless
5. not possible ____________
6. not usual ____________
7. without any use ____________
8. use again ____________
9. not wanted ____________
10. making a lot of waste ____________
unusual
useless
reuse
unwanted
wasteful
impossible
4. 名词变形容词：
-y
-ous
-ful
windy, rainy, sandy
dangerous, humorous
helpful, careful, peaceful
Grammar
后缀 含义 例词
-er, -or 构成名词 teacher, worker, visitor
-ian musician
-ing building, painting, shopping
-ist artist, scientist
-ment agreement, government
-ness coldness, happiness, illness
-th truth, warmth
-tion competition, education, information
-ty activity, safety
Grammar
Complete the conversation with the correct form of the expressions in the box.
Mike: I hear you are off to the Caribbean for a holiday! Lucky you! But aren’t you
(1)______________ the pollution that such long plane journeys may cause for
the environment
Ken: I know, but what can I do about it I’ve already tried my best to protect the
environment. I recycle. I don’t (2)____________ things if I don’t want them any
more. I (3)_________ the lights when I leave a room. Don’t tell me I shouldn’t
travel by plane any more!
be good for throw away turn off worry about
worried about
throw away
turn off
Complete the conversation with the correct form of the expressions in the box.
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
be good for throw away turn off worry about
（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
（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
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
Work in pairs. Look at the pictures and answer the questions.
6
What kinds of things can be recycled
old clothes
old mops
envelopes,
old notebooks, boxes,
paper cups
bottles, jars,
broken drinking glasses
I like traveling by plane.
travel by plane
We should plant more trees to keep the air clean.
plant trees
Everyone should do something for protecting the environment.
protect the environment

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