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外研版 (新标准)九年级上册Unit 3 Language in use评课课件ppt
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这是一份外研版 (新标准)九年级上册Unit 3 Language in use评课课件ppt，文件包含Module12Unit3pptx、M12U3-89wav等2份课件配套教学资源，其中PPT共47页， 欢迎下载使用。
Language practice
Reuse means “use again”.Thugh pllutin is heavy nw, I dn’t think it’s hpeless.
Make new wrds. Jin the parts f wrds in Bx A with the wrds in Bx B. Yu need t use sme f the parts mre than nce.
-able -ful im- -less re- un-
care cllect hpe pssible use usual wanted waste
Nw wrk in grups. Play the guessing game English fr Fun.
1 full f care __________ 2 can be cllected __________3 full f hpe __________ 4 withut any hpe _________
English fr Fun
5 nt pssible __________ 6 nt usual __________7 withut any use __________8 use again __________9 nt wanted __________ 10 making a lt f waste __________
Learning t learn
Smetimes if yu knw the meaning f the parts f a wrd, yu can wrk ut the meaning f the whle wrd.re+ new+ able: re= again, able=can berenewable=can be new again
一、合成法 将两个或两个以上独立且语义不同的的单词合在一起构成新词的方法叫做合成法。如：afternn、kind-hearted、maybe 等等。掌握合成法有助于我们理解和记忆更多单词。
在一个单词前或后加上一个词缀，就可以构成一个新词，这种方法叫做派生法。根据词缀的位置，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：
impatient, impssible
un -in -dis -im -nn-
unable, unhappy
inexpensive, indecisin
disagree, dislike
2. 表示 “再”的前缀：
rewrite, reuse, recycle
3. 表示 “错误地”的前缀：
mislead , misunderstand
4. 表示 “在……之间，相互”意思的前缀：
inter- 表示“在……之间，相互”：Internet
–able表示“可能，易于，适合于”， 构成形容词，如：renewable, eatable(可吃的)，enjyable
2. –ful表示“充满……的，具有……性的”， 构成 形容词，如：helpful, hpeful, pwerful , useful, careful, beautiful
3. –less 与-ful 相反，表示“少的，不足的”，构成 形容词，如：helpless, hpeless, pwerless, useless, careless
-atin-ment -er-r
invitatin, educatin,
agreement, gvernment
teacher, wrker
visitr, sailr
让我们来看一些不改变词根的基本意义，而是改变了词性的后缀
happiness, meanness, carelessness
activity, safety
3. 名词、形容词变动词：
-ify-ize-en
beautify, simplify
quicken, widen, sharpen
windy, rainy, sandy
dangerus, humrus
helpful, careful, peaceful
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。
动词转化为名词— Let’s talk abut it mre. — I think we’d better finish the talk nw.
(2)名词转化为动词 — She gave me a cup f water. — Yu shuld water the flwers twice a day.
(3)形容词转化为名词 — She was wearing a black dress. — The girl in black lks very beautiful.
Cmplete the sentences with the wrds in the bx.
hpeful impssible reuse unhealthy wasteful
1 Plluted water is _____________.2 It is ____________ t thrw s much fd away.
3 If yu lk after things well, yu may ______ sme f them later.4 It is ___________ t clean up the whle river in such a shrt time.5 If we pay attentin t pllutin nw, the future will be ___________.
Cmplete the table.
usefully/uselessly
hpeful/hpeless
plluted/unplluted
wasteful/wasted
usual/unusual
Cmplete the sentences with the crrect frm f the wrds in Activity 3.
She was ___________ that her new jb wuld make her mre successful.
The factry _________ the river, and the fish died.
2. We ften walk in the cuntryside . It is a (n) __________ activity fr us.3. D nt use s much water. It is very _________.4. T keep the flwers grwing, yu need t ________them nce a day.
usual/useful
Cmplete the sentences.
A _________ is a bx that yu keep yur lunch in.
1 A ____________ is a card that yu write n ne side f and send t smene by pst.2 A __________ is a rm where yu have classes at schl.
3 A ___________ is a bk that has ne r mre stries fr children.4 A ____________ is a black bard that is used at schl fr writing n with chalk.
Wrk in pairs. Lk at the pictures and answerthe questins.
1 What kinds f things can be recycled ?2 Hw can these things be reused?3 Hw des this help the envirnment?4 Have yu ever recycled r used things that can be recycled? Hw?
Cmplete the cnversatin with the crrect frm f the expressins in the bx.
be gd fr thrw away turn ff wrry abut
I hear yu are ff t the Caribbean fr a hliday! Lucky yu! But aren’t yu (1) _______________the pllutin that such lng plane jurneys may cause fr the envirnment?
wrried abut
I knw, but what can I d abut it? I’ve already tried my best t prtect the envirnment. I recycle. I dn’t (2) __________ things if I dn’t want them any mre. I (3)_________the lights when I leave a rm. Dn’t tell me I shuldn’t travel by plane any mre!
Mike:
N, f curse nt. But we can d mre t prtect the envirnment. Fr example, we can help keep the air clean by planting trees. Trees (4)____________the envirnment. In this way, we can reduce the harm f pllutin.
Gd! S I can enjy my hliday, and when I cme back, I’ll plant sme trees!That’s the idea! Maybe we can all jin in and start a small frest!
Listen and check (√) the true sentences.
It’s OK t thrw used things away. Lking after them takes a lt f time. □ D nt thrw away things made f glass, plastic and paper, but recycle them when pssible.□Take a bag when yu g shpping. □
4. Prducing electricity and using il will nt cause pllutin. □ 5. Turn ff lights when yu d nt need them. □6. Ride a bike r walk, and d nt ften drive yur car. □
Listen again and cmplete the table.
glass, plastic and paper
take a bag
are hard t
reduce plltin
waste electricity
Walk r cycle
Reuse and recycleIt’s a waste t thrw used things away. Dn’t thrw away things made f glass, plastic and paper, but recycle them if pssible. Plastic bags are hard t recycle, s reuse the ld nes when yu can. Take a bag with yu when yu g shpping.
Reduce pllutinPrducing electricity and using il may cause pllutin f the air, water and earth in many different ways. If we use less electricity and il, we can reduce pllutin. Here is sme advice: dn’t leave lights n and waste electricity; walk r cycle, and dn’t drive a car unless yu have t. Walking and cycling are gd fr yur health t!
Earth Hur Earth Hur is held tward the end f March each year. During Earth Hur, peple all acrss the wrld switch ff the lights they d nt need. They d this t shw their awareness f climate change.
Arund the wrld
The first Earth Hur was held in 2007 in Sydney, where mre than 2.2 millin peple switched ff their lights. Tday, mre and mre cities are taking part in the event, such as Beijing, Lndn, Rme and New Yrk, and landmarks like the Empire State Building and the Glden Gate Bridge will g dark.
Mdule task: Discussing what yu can d abut pllutin
Wrk in grups. Decide what kind f pllutin yu want t talk abut.
Chse a subject that yu care abut the mst. It culd be water pllutin, air pllutin, etc. Find ut mre infrmatin abut yur subject. Lk it up n a website r in a bks.
Discuss yur subject.
Take turns t say what yu think abut the prblem and what can be dne. Listen t what thers say. If yu agree with what they have said, say “I agree”, “That’s true” r “That’s a gd pint”; if yu d nt agree with what smene says , say “I’m srry, but I dn’t agree. I think that ...”
Present yur grup’s ideas t the whle class.
一、根据句意，用括号内单词的正确形式填空。
There is a place in my heart where all natins will live __________ (peace) sme day.
2. There are many __________ (different) between the twins. One is shy, but the ther is utging.
differences
There are __________ sharing bikes in many cities. S there will be __________ pllutin.
A. less and less; mre and mre
B. less and less; fewer and fewer
C. mre and mre; less and less
D. fewer and fewer; less and less
2. — What a mess! The sharing bikes are thrwn everywhere. — Let’s cllect and put them in the right place ______ they can be used cnveniently.
D. s lng as
3. — The apple pies here taste ______ than thse frm anywhere else. — Yes. But it will be better if they are ______.mre delicius; mre expensiveless delicius; mre expensivemre delicius; less expensiveless delicius; less expensive
Language practice
Reuse means “use again”.Thugh pllutin is heavy nw, I dn’t think it’s hpeless.
Make new wrds. Jin the parts f wrds in Bx A with the wrds in Bx B. Yu need t use sme f the parts mre than nce.
-able -ful im- -less re- un-
care cllect hpe pssible use usual wanted waste
Nw wrk in grups. Play the guessing game English fr Fun.
1 full f care __________ 2 can be cllected __________3 full f hpe __________ 4 withut any hpe _________
English fr Fun
5 nt pssible __________ 6 nt usual __________7 withut any use __________8 use again __________9 nt wanted __________ 10 making a lt f waste __________
Learning t learn
Smetimes if yu knw the meaning f the parts f a wrd, yu can wrk ut the meaning f the whle wrd.re+ new+ able: re= again, able=can berenewable=can be new again
一、合成法 将两个或两个以上独立且语义不同的的单词合在一起构成新词的方法叫做合成法。如：afternn、kind-hearted、maybe 等等。掌握合成法有助于我们理解和记忆更多单词。
在一个单词前或后加上一个词缀，就可以构成一个新词，这种方法叫做派生法。根据词缀的位置，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：
impatient, impssible
un -in -dis -im -nn-
unable, unhappy
inexpensive, indecisin
disagree, dislike
2. 表示 “再”的前缀：
rewrite, reuse, recycle
3. 表示 “错误地”的前缀：
mislead , misunderstand
4. 表示 “在……之间，相互”意思的前缀：
inter- 表示“在……之间，相互”：Internet
–able表示“可能，易于，适合于”， 构成形容词，如：renewable, eatable(可吃的)，enjyable
2. –ful表示“充满……的，具有……性的”， 构成 形容词，如：helpful, hpeful, pwerful , useful, careful, beautiful
3. –less 与-ful 相反，表示“少的，不足的”，构成 形容词，如：helpless, hpeless, pwerless, useless, careless
-atin-ment -er-r
invitatin, educatin,
agreement, gvernment
teacher, wrker
visitr, sailr
让我们来看一些不改变词根的基本意义，而是改变了词性的后缀
happiness, meanness, carelessness
activity, safety
3. 名词、形容词变动词：
-ify-ize-en
beautify, simplify
quicken, widen, sharpen
windy, rainy, sandy
dangerus, humrus
helpful, careful, peaceful
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。
动词转化为名词— Let’s talk abut it mre. — I think we’d better finish the talk nw.
(2)名词转化为动词 — She gave me a cup f water. — Yu shuld water the flwers twice a day.
(3)形容词转化为名词 — She was wearing a black dress. — The girl in black lks very beautiful.
Cmplete the sentences with the wrds in the bx.
hpeful impssible reuse unhealthy wasteful
1 Plluted water is _____________.2 It is ____________ t thrw s much fd away.
3 If yu lk after things well, yu may ______ sme f them later.4 It is ___________ t clean up the whle river in such a shrt time.5 If we pay attentin t pllutin nw, the future will be ___________.
Cmplete the table.
usefully/uselessly
hpeful/hpeless
plluted/unplluted
wasteful/wasted
usual/unusual
Cmplete the sentences with the crrect frm f the wrds in Activity 3.
She was ___________ that her new jb wuld make her mre successful.
The factry _________ the river, and the fish died.
2. We ften walk in the cuntryside . It is a (n) __________ activity fr us.3. D nt use s much water. It is very _________.4. T keep the flwers grwing, yu need t ________them nce a day.
usual/useful
Cmplete the sentences.
A _________ is a bx that yu keep yur lunch in.
1 A ____________ is a card that yu write n ne side f and send t smene by pst.2 A __________ is a rm where yu have classes at schl.
3 A ___________ is a bk that has ne r mre stries fr children.4 A ____________ is a black bard that is used at schl fr writing n with chalk.
Wrk in pairs. Lk at the pictures and answerthe questins.
1 What kinds f things can be recycled ?2 Hw can these things be reused?3 Hw des this help the envirnment?4 Have yu ever recycled r used things that can be recycled? Hw?
Cmplete the cnversatin with the crrect frm f the expressins in the bx.
be gd fr thrw away turn ff wrry abut
I hear yu are ff t the Caribbean fr a hliday! Lucky yu! But aren’t yu (1) _______________the pllutin that such lng plane jurneys may cause fr the envirnment?
wrried abut
I knw, but what can I d abut it? I’ve already tried my best t prtect the envirnment. I recycle. I dn’t (2) __________ things if I dn’t want them any mre. I (3)_________the lights when I leave a rm. Dn’t tell me I shuldn’t travel by plane any mre!
Mike:
N, f curse nt. But we can d mre t prtect the envirnment. Fr example, we can help keep the air clean by planting trees. Trees (4)____________the envirnment. In this way, we can reduce the harm f pllutin.
Gd! S I can enjy my hliday, and when I cme back, I’ll plant sme trees!That’s the idea! Maybe we can all jin in and start a small frest!
Listen and check (√) the true sentences.
It’s OK t thrw used things away. Lking after them takes a lt f time. □ D nt thrw away things made f glass, plastic and paper, but recycle them when pssible.□Take a bag when yu g shpping. □
4. Prducing electricity and using il will nt cause pllutin. □ 5. Turn ff lights when yu d nt need them. □6. Ride a bike r walk, and d nt ften drive yur car. □
Listen again and cmplete the table.
glass, plastic and paper
take a bag
are hard t
reduce plltin
waste electricity
Walk r cycle
Reuse and recycleIt’s a waste t thrw used things away. Dn’t thrw away things made f glass, plastic and paper, but recycle them if pssible. Plastic bags are hard t recycle, s reuse the ld nes when yu can. Take a bag with yu when yu g shpping.
Reduce pllutinPrducing electricity and using il may cause pllutin f the air, water and earth in many different ways. If we use less electricity and il, we can reduce pllutin. Here is sme advice: dn’t leave lights n and waste electricity; walk r cycle, and dn’t drive a car unless yu have t. Walking and cycling are gd fr yur health t!
Earth Hur Earth Hur is held tward the end f March each year. During Earth Hur, peple all acrss the wrld switch ff the lights they d nt need. They d this t shw their awareness f climate change.
Arund the wrld
The first Earth Hur was held in 2007 in Sydney, where mre than 2.2 millin peple switched ff their lights. Tday, mre and mre cities are taking part in the event, such as Beijing, Lndn, Rme and New Yrk, and landmarks like the Empire State Building and the Glden Gate Bridge will g dark.
Mdule task: Discussing what yu can d abut pllutin
Wrk in grups. Decide what kind f pllutin yu want t talk abut.
Chse a subject that yu care abut the mst. It culd be water pllutin, air pllutin, etc. Find ut mre infrmatin abut yur subject. Lk it up n a website r in a bks.
Discuss yur subject.
Take turns t say what yu think abut the prblem and what can be dne. Listen t what thers say. If yu agree with what they have said, say “I agree”, “That’s true” r “That’s a gd pint”; if yu d nt agree with what smene says , say “I’m srry, but I dn’t agree. I think that ...”
Present yur grup’s ideas t the whle class.
一、根据句意，用括号内单词的正确形式填空。
There is a place in my heart where all natins will live __________ (peace) sme day.
2. There are many __________ (different) between the twins. One is shy, but the ther is utging.
differences
There are __________ sharing bikes in many cities. S there will be __________ pllutin.
A. less and less; mre and mre
B. less and less; fewer and fewer
C. mre and mre; less and less
D. fewer and fewer; less and less
2. — What a mess! The sharing bikes are thrwn everywhere. — Let’s cllect and put them in the right place ______ they can be used cnveniently.
D. s lng as
3. — The apple pies here taste ______ than thse frm anywhere else. — Yes. But it will be better if they are ______.mre delicius; mre expensiveless delicius; mre expensivemre delicius; less expensiveless delicius; less expensive
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