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初中英语外研版 (新标准)九年级上册Unit 3 Language in use图文ppt课件
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这是一份初中英语外研版 (新标准)九年级上册Unit 3 Language in use图文ppt课件，共34页。PPT课件主要包含了学习目标，新课导入，思 考，新课讲解，throw away，turn off， ×，GRAMMER，当堂小练等内容，欢迎下载使用。
1.T summarize and cnslidate the rules f wrd knw hw t prtect the practice wrd-building: cmpunds, derivatives, cnversin
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-
careful careless cllectable hpeful hpeless impssible reuse unusual unwanted wasteful
Nw wrk in grups. Play the guessing game English fr Fun.
English fr Fun
1. full f care _________2. can be cllected __________3. full f hpe _________4. withut any hpe ________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 renewable
can be new again
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
wastefully
usual/ unusual
Cmplete the sentences with the crrect frm f the wrds in Activity 3.
She was hpeful that her new jb wuld make her mre successful. 1. 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.
Cmplete the sentences.
A lunchbx 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.
What kinds f things can be recycled?
paper, plastic
2. Hw can these things be reused?
Many paper and plastic things can be used mre than ne time. Or we can change these things int decratins made by us.
3. Hw des this help the envirnment?We dn’t need t cut dwn mre trees t make paper if we reuse papers.
4. Have yu ever recycled r used things that can be recycled? Hw?I ever recycled t use paper cup, I just use them t make sme small decratins such as pen cntainer.
Cmplete the cnversatin with the crrect frm f the expressins in the bx.
be gd fr thrw away turn ff wrry abut
MIKE: 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?KEN: 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!
wrried abut
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.Ken:Gd! S I can enjy my hliday, and when I cme back, I’ll plant sme trees!Mike:That’s the idea! Maybe we can all jin in and start a small frest!
Listen and check (√) the true sentences.
1. It is OK t thrw used things away. Lking after them takes a lt f time.2. D nt thrw away things made f glass, plastic and paper, but recycle them when pssible.3. 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
reduce pllutin
waste electricity
Walk r cycle
Arund the wrld
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. 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.
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.
wrk ut解决；计算；产生结果；设计出
Language pints 1
eg：The plan wrked ut badly. 计划实施得很不成功。 See if yu can wrk ut this prblem. 看你能不能解出这道难题。
g dark 变暗
Language pints 2
这里的g为系动词。英语系动词的功能主要是把表语和主语联系在一起，说明主语的属性、特征或状态。系动词不能在句中独立作谓语，必须和后面的表语一起构成句子的谓语。
考点1 :某些含有变化意义的动态系动词如get, becme, grw, turn等的进行时态可与形容词的比较级连用，表示渐进过程，其意思是“越来越……”。eg：He is grwing taller and taller. 他长得越来越高了。 Our life is getting better and better. 我们的生活越来越好了。
考点2 :后接过去分词可构成系表结构。eg：Jhn gt wunded while playing ftball last Saturday. 约翰上周六踢足球时受了伤。考点3 :易混系动词的区别get, becme, g, turn, grw“变得”
考点3 :get :“变得”，在口语中用得很多。becme :“变成，成为(好坏情况均可)”。后接形容词、名词、过去分词作表语。g :“变得(某种由好到坏的情况)”，可表示颜色的变化或语态的变化。turn :“变成”，强调与原来不同的、新的变化，如变质、变色等。grw :“逐渐变得……”，强调其变化过程.
care fr与care abut的意义、用法区别
Language pints 3
英语中常见的构词法：1.合成法2. 派生法 （加前缀、后缀）3. 转化法（词性变词形不变）
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称作合成法。
在一个单词前或后加上一个词缀，就可以构成一个新词。 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：
常见名词后缀:(1). –an: American (美国人), Indian(印度人)，Canadian(加拿大)，Italian(意大利人)(2). –er: wrker (工人), driver(司机)， teacher(教师)，player(选手)(3). –ess: actress (女演员), waitress(女服务员)
(4). –ness: illness (疾病), hmelessness(无家可归)，kindness (慈祥), happiness(幸福)(5). –r: actr (男演员), visitr(参观者)，(6). –ance: appearance (出现), perfrmance(表演)(7). –ment: agreement (同意),
常见形容词后缀:(1). –ful：helpful(有帮助的), hpeful(有希望的), pwerful(有力量的) ,useful(有用的), (2). –less：helpless(无帮助的), hpeless (无希望的), pwerless(无力量的),useless(无用的), (3). –ly: friendly(有好的), lvely(可爱的)
(4). –ing:interesting(有趣的), exciting(激动人心的), bring(无聊的)(5). –ed: interested(感兴趣的)， surprised(吃惊的)
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。
1. 名词转化为动词。
Yur hand lks badly burnt. 你的手似乎烧伤很重。He handed me a little rectangle f white paper.他递给我一张小小的长方形白纸片。
2. 形容词转化为动词。
The stadium emptied at the end f the first day f athletics.首日体育比赛结束后， 体育场空无一人。
一、用所给词的适当形式填空
1． The farmers ften water crps t keep them （grw）.2． We shuld try ur best （prtect）ur envirnment.3.（广东）It is （usual）fr a furyearld by t write pems s well. 4． （南通）T make a green wrld，we shuld try t reduce air ________（pllute）by walking mreand driving less.5． （兰州）This （wd）bridge was built mre than 20 years ag.
二、根据汉语提示完成句子
6． He can’t finish the wrk __________________ （在如此短的时间里）.7.（改编·广州）Yu've （算出）the maths prblem yurselves. What clever children yu are！8．Will yu （参加）the schl sprts meeting next Friday？ 9． Eating mre vegetables （对……有好处）ur bdies. 10． We shuld （注意听）t the teacher in class.
in such a shrt time
take part in
pay attentin t listening
1.T summarize and cnslidate the rules f wrd knw hw t prtect the practice wrd-building: cmpunds, derivatives, cnversin
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-
careful careless cllectable hpeful hpeless impssible reuse unusual unwanted wasteful
Nw wrk in grups. Play the guessing game English fr Fun.
English fr Fun
1. full f care _________2. can be cllected __________3. full f hpe _________4. withut any hpe ________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 renewable
can be new again
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
wastefully
usual/ unusual
Cmplete the sentences with the crrect frm f the wrds in Activity 3.
She was hpeful that her new jb wuld make her mre successful. 1. 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.
Cmplete the sentences.
A lunchbx 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.
What kinds f things can be recycled?
paper, plastic
2. Hw can these things be reused?
Many paper and plastic things can be used mre than ne time. Or we can change these things int decratins made by us.
3. Hw des this help the envirnment?We dn’t need t cut dwn mre trees t make paper if we reuse papers.
4. Have yu ever recycled r used things that can be recycled? Hw?I ever recycled t use paper cup, I just use them t make sme small decratins such as pen cntainer.
Cmplete the cnversatin with the crrect frm f the expressins in the bx.
be gd fr thrw away turn ff wrry abut
MIKE: 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?KEN: 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!
wrried abut
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.Ken:Gd! S I can enjy my hliday, and when I cme back, I’ll plant sme trees!Mike:That’s the idea! Maybe we can all jin in and start a small frest!
Listen and check (√) the true sentences.
1. It is OK t thrw used things away. Lking after them takes a lt f time.2. D nt thrw away things made f glass, plastic and paper, but recycle them when pssible.3. 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
reduce pllutin
waste electricity
Walk r cycle
Arund the wrld
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. 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.
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.
wrk ut解决；计算；产生结果；设计出
Language pints 1
eg：The plan wrked ut badly. 计划实施得很不成功。 See if yu can wrk ut this prblem. 看你能不能解出这道难题。
g dark 变暗
Language pints 2
这里的g为系动词。英语系动词的功能主要是把表语和主语联系在一起，说明主语的属性、特征或状态。系动词不能在句中独立作谓语，必须和后面的表语一起构成句子的谓语。
考点1 :某些含有变化意义的动态系动词如get, becme, grw, turn等的进行时态可与形容词的比较级连用，表示渐进过程，其意思是“越来越……”。eg：He is grwing taller and taller. 他长得越来越高了。 Our life is getting better and better. 我们的生活越来越好了。
考点2 :后接过去分词可构成系表结构。eg：Jhn gt wunded while playing ftball last Saturday. 约翰上周六踢足球时受了伤。考点3 :易混系动词的区别get, becme, g, turn, grw“变得”
考点3 :get :“变得”，在口语中用得很多。becme :“变成，成为(好坏情况均可)”。后接形容词、名词、过去分词作表语。g :“变得(某种由好到坏的情况)”，可表示颜色的变化或语态的变化。turn :“变成”，强调与原来不同的、新的变化，如变质、变色等。grw :“逐渐变得……”，强调其变化过程.
care fr与care abut的意义、用法区别
Language pints 3
英语中常见的构词法：1.合成法2. 派生法 （加前缀、后缀）3. 转化法（词性变词形不变）
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称作合成法。
在一个单词前或后加上一个词缀，就可以构成一个新词。 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：
常见名词后缀:(1). –an: American (美国人), Indian(印度人)，Canadian(加拿大)，Italian(意大利人)(2). –er: wrker (工人), driver(司机)， teacher(教师)，player(选手)(3). –ess: actress (女演员), waitress(女服务员)
(4). –ness: illness (疾病), hmelessness(无家可归)，kindness (慈祥), happiness(幸福)(5). –r: actr (男演员), visitr(参观者)，(6). –ance: appearance (出现), perfrmance(表演)(7). –ment: agreement (同意),
常见形容词后缀:(1). –ful：helpful(有帮助的), hpeful(有希望的), pwerful(有力量的) ,useful(有用的), (2). –less：helpless(无帮助的), hpeless (无希望的), pwerless(无力量的),useless(无用的), (3). –ly: friendly(有好的), lvely(可爱的)
(4). –ing:interesting(有趣的), exciting(激动人心的), bring(无聊的)(5). –ed: interested(感兴趣的)， surprised(吃惊的)
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。
1. 名词转化为动词。
Yur hand lks badly burnt. 你的手似乎烧伤很重。He handed me a little rectangle f white paper.他递给我一张小小的长方形白纸片。
2. 形容词转化为动词。
The stadium emptied at the end f the first day f athletics.首日体育比赛结束后， 体育场空无一人。
一、用所给词的适当形式填空
1． The farmers ften water crps t keep them （grw）.2． We shuld try ur best （prtect）ur envirnment.3.（广东）It is （usual）fr a furyearld by t write pems s well. 4． （南通）T make a green wrld，we shuld try t reduce air ________（pllute）by walking mreand driving less.5． （兰州）This （wd）bridge was built mre than 20 years ag.
二、根据汉语提示完成句子
6． He can’t finish the wrk __________________ （在如此短的时间里）.7.（改编·广州）Yu've （算出）the maths prblem yurselves. What clever children yu are！8．Will yu （参加）the schl sprts meeting next Friday？ 9． Eating mre vegetables （对……有好处）ur bdies. 10． We shuld （注意听）t the teacher in class.
in such a shrt time
take part in
pay attentin t listening
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