外研英语九上 Module 12 Unit 3 Language in use.课件26张PPT

课件26张PPT。Module12 unit 3language in use天津市津南区小站一中
张崇英外研版九年级上册外研版九年级上册 Module 12 save our world
Unit 3 language in useModule taskdiscuss what you can do about the pollutionModule task:
discuss what you can
do about the pollutionAssessment:
Discuss your subject in groups
of four and present your ideas
to the whole class1扔掉 2为……而担心
3.遍及 4.使人们生病
5.对健康构成威胁 6.也7.大量的 8.寄希望于…
9.把…分成… 10.对…有害
11.做出改变 12.节约能源


review for units 1&2throw awaybe worried aboutspread overbe a danger to healthas welltons ofhope forbe harmful tomake a changesave energymake people illdivide intoLet’s take these simple steps today ,
so that we will save the worldUse these things for as long as
possible ,repair them if possibleBefore you buy sth new ,think whether
it is necessary because maybe
the old one is just as good Observation1.Pollution is a danger to our health=Pollution is dangerous to our health2.Though pollution is heavy now,
I don’t think it’s hopeless=Without any hope3.We produce waste every day ,
and it’s harmful to our environmentbe harmful to = do harm to5.Reuse means “use again” reuse repair recycle
retell rewrite repeat 4.Every class collects reusable waste.re +use +able 1. Make new words. Join the words in Box A with the parts of words in Box B.full of care _______________A care collect done hope possible
usual used wanted wasteB -able -ful im- -less re- un-careful1 can be collected__________
2 full of use__________
3 full of hope____________
4 without any hope_______
5 not possible_________
6 not usual___________
7 without any use____________
8 use again___________
9 not wanted____________
10 making a lot of waste________collectableusefulhopefulhopelessimpossibleunusualuselessreuseunwantedwasteful构词法1. 合成法将两个或两个以上独立且语义不同的单词合在一起构成新词的方法叫做合成法。例如：afternoon, newspaper,?classmate, kind-hearted, middle-aged, however, maybe, himself, everyone, nothing。 Grammar2. 派生法在词根前加前缀或在词根后面加后缀。根据
位置，分为前缀和后缀两种。
掌握一些常见的词缀，对单词的记忆和理解有
很大的帮助。比如：我们学会care, 就能掌握
careful, careless, carefully, carelessly。
下面我们来学习几个常见的前、后缀：
1. 表示否定意义 “无，不”的前缀：impolite, impossibleun-
dis-
im-unpopular, unhappydisagree, disappear 前缀：2. 表示 “再”的前缀：re-rewrite, reuse, recycle前缀：3. 表示 “错误地”前缀：mismistake,misunderstand–able表示“可能，易于，适合于”，
构成形容词，如：reuseable，lovable(可爱的)， comfortable后缀：常见的后缀：2. –ful 表示“充满...的，具有...性质
的”，构成形容词，如：helpful,
hopeful ,useful, careful后缀：3. –less 与-ful 相反，表示“少的，不足的”，构成形容词，如：helpless,
hopeless, useless, careless1.动词变名词：-ation
-ment
-er
-or education, realizationdevelopment, movement teacher, workervisitor, sailor3转化法 英语中把一种词性转化为另一种词性而词形不变的方法。2.形容词变名词：-ness
-ity
happiness, fitnessability, possibility 3. 名词、形容词变动词：-enquicken, widen, sharpen4.名词变形容词：-y
-ous
-fulwindy, rainydangerous, humoroushelpful, careful2. Complete the sentences with the words in the box1 Polluted water is .
2 It’s to throw so much food away .
3 if you look after things well,you may some of them
4 It’s to clean up the river in such a short time .
5 if we pay attention to pollution now,the future will be .
a hopeful
b impossible
c reuse
d unhealthy
e wasteful unhealthywastefulreuseimpossiblehopeful6Pairwork :look at the pics and answer the questions1.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?clothpaperglass7. Complete the conversation with the correct form of the phrases in the box.Mike: I hear you're off to the Caribbean
for a holiday! Lucky you! But aren't
you(1)_____________the dangers of
such long flights on the environment
Ken: Why should I be worried?
Mike: Planes cause a lot of pollution.be good for hear of look after
throw away turn off worry aboutworried about Ken: I know, but what can I do about it? I
already try my best to protect the
environment. I recycle, I don't just
(2)___________things if I don't want
them any more. I (3)___________the
lights when I leave a room. Don't tell
me we shouldn't travel by plane any
more.
Mike: No, of course not. But we can do
something to protect the environment.
Have you (4)_________ future forests
.com? throw awayturn offheard of It's an environmental group.
It helps to (5)___________trees. By
planting more trees, we can help
keep the air clean, because trees (6)
____________the environment. In
this way, we can reduce the dangers
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!look afterare good forModule taskDecide what kind of pollution
you want to talk about and what you think about it and what can be done.
Homework :Discussing and writing：
what you can do to make your
school green. thank you !