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初中英语人教新目标 (Go for it) 版九年级全册Unit 13 We’re trying to save the earth!Section A精品ppt课件
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这是一份初中英语人教新目标 (Go for it) 版九年级全册Unit 13 We’re trying to save the earth!Section A精品ppt课件，文件包含人教版新目标英语九年级Unit13SectionA2dGrammarfocus-4c课件pptx、U13A2dmp3、QQ视频20211218220729mp4等3份课件配套教学资源，其中PPT共41页， 欢迎下载使用。
1. Curriculum wrds: advantage, cst , wden, plastic, take away , bin, affrd, reusable, transprtatin2. Useful expressins：cut dwn, instead f, play a part in, make a difference, lead t,take part in, turn ff, pay fr, take actin3. Functins：Talk abut pllutin and envirnmental prtectin.4. Grammar：能够正确区分和使用以下语法结构：现在进行时、 used t、被动语态、现在完成时、情态动词等。
D yu knw Wrld Earth Day?
It is n April 22.It was first celebrated in 1970.
The earth is mre plluted.The theme is t prtect the envirnment and save the earth.
Plant trees.Save energy and water.Take public transprtatin.Use plastic r wden things less.……
Ride a bike.
Take the bus r subway instead f driving.
Bring a bag t g shpping.remember t thrw rubbish in the bins and keep public places clean and beautiful.
Never take wden chpsticks r plastic frks when he buys takeaway fd.
What can we d t reduce the pllutin in 2d?
Listen and cmplete.
Interviewer: Jasn and Susan, what are yur ideas fr slving these prblems?Jasn: Well, t cut dwn air pllutin, we shuld take the bus r subway instead f driving.Susan: Yeah, r ride a bike. There are ther advantages f bike riding. It’s gd fr health and it desn’t cst anything!Interviewer: Great ideas! What abut waste pllutin?
Rle-play the cnversatin.
Susan: Mmm, I think simple things like bringing a bag t g shpping can help. I started ding that a year ag.Jasn: Me, t. Als, I never take wden chpsticks r plastic frks when I buy takeaway fd. I use the nes at hme.Susan: And remember t thrw rubbish in the bins and keep public places clean and beautiful fr everyne.Interviewer: S tgether, ur actins can make a difference and lead t a better future!
remember t d sth. 记得去做某事
有作用；有影响 difference前可用big等词修饰
make a difference t 对……有影响或作用
1.Well,t cut dwn air pllutin,we shuld take the bus r subway instead f driving.
2.There are ther advantages f bike riding.
advantage的意思是“优点;有利条件”,可作可数名词，也可作不可数名词.反义词是disadvantage,意思是“缺点,不利条件”。 sister has many advantages.他的姐姐有很多优点。advantage的相关短语：take advantage f... 利用……be/wrk t ne’s advantage 对某人有利eg: I have the advantage f him in running.我在跑步方面条件比他优越。T her advantage,her vice is very sweet.对她有利的是,她的声音非常甜美。
3.It’s gd fr health and it desn’t cst anything!
cst v. 花费；使付出.指花费金钱，主语通常是物。cst的过去式和过去分词均为cst。 new shirt cst Mr Wang 200 yuan. 王先生花了200元买了新衬衫。 Hw much des the new cmputer cst? 新电脑花了多少钱？【拓展延伸】cst还可作名词，意为“花费；价钱”。Culd yu tell me the cst f the trip?
【辨析】 take，spend，pay和cst都可以表示“花费”，但它们的用法各有不同。
根据句意用take, spend, pay或cst的适当形式填空。1. That new car ________ them lts f mney.2. Mna __________ 50 yuan n the bks just nw.3. It usually _______ me an hur t d my hmewrk.4. Yu shuld __________ sme time practising yur prnunciatin.5. My brther _______ 6, 000 yuan fr the new cmputer yesterday.
4.S tgether,ur actins can make a difference and lead t a better future!
make a difference (t…)表示(对……)产生影响或作用;有关difference的短语：make n difference 对……没有影响make sme difference 对……有些影响make a difference between 对……区别对待eg: Learning English well can make a difference t yur future.学好英语会对你的前途有影响。The new teacher always encurages little Tm. This has made a big difference t him.新来的老师总是鼓励小汤姆，这对他影响很大。
减少代替（做某事）骑自行车（名词）对...有好处外卖食品记得要做某事产生影响或作用导致,引导
instead f ding sth
bike riding
takeaway fd
remember t d sth
make a difference
Retell the cnversatin by filling in the blanks.
An interviewer is asking Susan and Jasn their pinins n _______ plluted prblems. Jasn suggests taking the bus r subway __________ driving can help ___________ the air pllutin. Susan adds ther___________ f bike riding. It ____________ health and it desn’t _______ anything. Susan als says simple things _____ bringing a bag while g shpping can help. And Jasn never uses _________ chpsticks r _______ frks when he buys _________ fd. Susan reminds peple t _____________ thrw rubbish in the bins ________ the public places clean and beautiful. If peple wrk tgether, their actins will ________________ and ________ a better future.
remember t
make a difference
Rle-play the cnversatin in 2d.Try nt t lk at yur bk.
Interviewer: Jasn and Susan, what Jasn: Well, t cut dwn air pllutin, we shuld Susan: Yeah, : Great ideas! What : Mmm, I think : Me, : And : S
Read the fllwing sentences and find ut the grammar items.
be (am/is/are) + 动词-ing
1.表示现在正在进行或发生的动作。
2.表示现阶段或当前一段时间之内 正在进行的动作。
nw、lk、listen、these days等
a.一般情况下，在动词词尾后加-ing。如：g → ging。b.以不发音的e结尾的动词，去掉e加-ing。如：have → having。c.以重读闭音节结尾的动词，末尾只有一个辅音字母，双写这个辅音字母，再加-ing。如：run → running。
动词-ing形式的构成
have/has + 过去分词
1. 表示过去发生或已经完成的动作对现在造成的影响或结果。
2. 从过去某一时间开始并一直持续到现在且还有可能持续下去的动作。
already、yet、ever、never、fr +时间段、since +时间点、s far、in the 等
一般情况下，在动词后加-ed。如: wrk → wrked。在以e结尾的动词后只加-d。如: clse → clsed。以辅音字母加y结尾的动词，应将y改为i再加-ed。如: study → studied。以重读闭音节结尾的动词，要双写末尾的辅音字母再加-ed。如: stp → stpped。
不规则动词的过去分词: AAA型 put put putAAB型 beat beat beatenABA型 becme became becmeABB型 get gt gt/gttenABC型 begin began begun
用括号中所给动词的正确形式填空。The girls ___________ (dance) in the classrm nw.It’s 5 ’clck nw. Mike ____________ (have) dinner.—_______ yu ever ________ (be) t the US? — Yes, twice.4. I __________ (live) here since 1999.
are dancing
is having
Have been
have lived
主动语态表示主语是动作的执行者。被动语态表示主语是动作的承受者，即行为动作的对象。I cleaned my rm. → My rm was cleaned by me.I saw him crss the rad and enter the shp. → He was seen t crss the rad and enter the shp.
在含有使役动词 (如：make) 或感官动词 (see、watch、ntice、hear等) 的主动语态的句子中，这些词后常跟省略t的动词不定式，但是改为被动语态时则要把省去的t还原。
被动语态的基本结构：助动词be + 及物动词的过去分词一般现在时的被动语态：am/is/are + 过去分词一般过去时的被动语态：was/were + 过去分词一般将来时的被动语态：will be/is ging t be + 过去分词含情态动词的被动语态：情态动词 + be + 过去分词
用括号中所给动词的正确形式填空。1. — D yu ften clean yur classrm? — Yes. Our classrm ________________ (clean) every day.2. — Did yu g t Jack’s birthday party? — N, I _______________. (invite)3. A new highway in my hmetwn (build) next mnth.
is cleaned
wasn’t invited
will be built
1. 情态动词一般没有人称和数的变化。2. 情态动词后接动词原形。3. 常用的情态动词有：can/culd、may/might、must/have t、shuld/ught t、wuld、need等。
根据题意选择最适合的情态动词。1. — yu pass me a pen? I’d like t write dwn the phne number. — Sure. Here it is. A. Can B. Need C. Might D. Must2. Yu wrry abut me. It’s nthing serius. A. can’t B. mustn’t C. needn’t D. wn’t
3. —May I g t the cinema, Mm? — Certainly, but yu be back by 11 ’clck. A. can B. may C. must D. need4. —Excuse me. Is this the right way t the Summer Palace? — Srry, I’m nt sure. But it be. A. might B. mustn’t C. can’t D. must5. The man in the ffice be Mr. Black, because he went hme just nw. A. mustn’t B. may nt C. can’t D. needn’t
used t意为“过去常常做某事”，后接动词原形。used t句型的否定句形式：didn’t use t句型的一般疑问句形式：Did + 主语 + use t d表示过去常常做某事，而现在往往不做了；be used t ding表示习惯于做某事。
根据汉语意思补全句子。她过去常常周末和朋友闲逛。 She _____________________ with friends n weekends.2. 他习惯于每天晚上睡得很晚。 He _____________________________at night.
used t hang ut
is used t staying up
Fill in the blanks with the crrect frms f the verbs in brackets.
Je: _______ yu ever _______ (take) part in an envirnmental prject?Eric: Yes, I have. I ________ (help) with a Clean-Up Day last year. It was _________ (cnsider) the biggest clean-up prject this city ________ ever ________ (have).
Je: Hw many peple _______ (take) part?Eric: I _______ (think) mre than 1,000 peple _______ (cme) t help ut.Je: That’s fantastic! I guess everyne in this city is _______ (try) t imprve the envirnment.Eric: Yes, we can’t affrd t _______ (wait) any lnger t take actin!
Fill in the blanks with the apprpriate mdal verbs frm the bx.
Peple ______________ think that big things _____________ be dne t save the earth. Many frget that saving the earth begins with small things. Fr example, yu ________________ save electricity by turning ff the lights when yu leave a rm. Yu ________________ als use reusable bags instead f plastic bags.
must/have t
can, wuld, culd, have t, shuld, must, may/might
can/culd/shuld
I think it’s a great idea that yu nw ______________ pay fr plastic bags in sme stres. And instead f driving t schl r wrk, yu _______________ ride yur bike r walk. If it’s far, yu ______________ take the bus. All these small things _______________ add up and becme big things that _______________ imprve the envirnment. Let’s take actin nw!
can, wuld, culd, have t, shuld, must, may / might
can/culd/wuld
Make a list f things that peple can d t help the envirnment and discuss yur list with yur partner.
use public transprtatin (n.交通运输)turn ff the lights when yu leave a rm take yur wn shpping bags when yu g shppingdn’t use dispsable (adj. 一次性的) items like dispsable cutlery (n. 餐具), cameras, etc.reduce the use f air cnditiners in summergrw mre plants…
I think that everyne shuld use public transprtatin.
I disagree. It’s difficult fr parents with yung children t use public transprtatin…
We can’t affrd t wait any lnger t take actin!我们承担不起继续等待而不采取行动！ affrd v. 承担得起; 买得起; 提供, 给予 常与can, be able t等连用, 多用于否定句或疑问句。 affrd sth. 买得起 / 承受得起某物 affrd t d sth. 有能力做某事 / 负担得起做某事
e.g. Can yu affrd the mbile phne? We can’t affrd t pay such a price.
【语境应用】用affrd或buy的 适当形式填空。 1) They can’t ________ t send their children t cllege. 2) Can yu ________ a new car? 3) Helen ________ sme fruit n her way hme yesterday.
1. Curriculum wrds: advantage, cst , wden, plastic, take away , bin, affrd, reusable, transprtatin2. Useful expressins：cut dwn, instead f, play a part in, make a difference, lead t,take part in, turn ff, pay fr, take actin3. Functins：Talk abut pllutin and envirnmental prtectin.4. Grammar：能够正确区分和使用以下语法结构：现在进行时、 used t、被动语态、现在完成时、情态动词等。
D yu knw Wrld Earth Day?
It is n April 22.It was first celebrated in 1970.
The earth is mre plluted.The theme is t prtect the envirnment and save the earth.
Plant trees.Save energy and water.Take public transprtatin.Use plastic r wden things less.……
Ride a bike.
Take the bus r subway instead f driving.
Bring a bag t g shpping.remember t thrw rubbish in the bins and keep public places clean and beautiful.
Never take wden chpsticks r plastic frks when he buys takeaway fd.
What can we d t reduce the pllutin in 2d?
Listen and cmplete.
Interviewer: Jasn and Susan, what are yur ideas fr slving these prblems?Jasn: Well, t cut dwn air pllutin, we shuld take the bus r subway instead f driving.Susan: Yeah, r ride a bike. There are ther advantages f bike riding. It’s gd fr health and it desn’t cst anything!Interviewer: Great ideas! What abut waste pllutin?
Rle-play the cnversatin.
Susan: Mmm, I think simple things like bringing a bag t g shpping can help. I started ding that a year ag.Jasn: Me, t. Als, I never take wden chpsticks r plastic frks when I buy takeaway fd. I use the nes at hme.Susan: And remember t thrw rubbish in the bins and keep public places clean and beautiful fr everyne.Interviewer: S tgether, ur actins can make a difference and lead t a better future!
remember t d sth. 记得去做某事
有作用；有影响 difference前可用big等词修饰
make a difference t 对……有影响或作用
1.Well,t cut dwn air pllutin,we shuld take the bus r subway instead f driving.
2.There are ther advantages f bike riding.
advantage的意思是“优点;有利条件”,可作可数名词，也可作不可数名词.反义词是disadvantage,意思是“缺点,不利条件”。 sister has many advantages.他的姐姐有很多优点。advantage的相关短语：take advantage f... 利用……be/wrk t ne’s advantage 对某人有利eg: I have the advantage f him in running.我在跑步方面条件比他优越。T her advantage,her vice is very sweet.对她有利的是,她的声音非常甜美。
3.It’s gd fr health and it desn’t cst anything!
cst v. 花费；使付出.指花费金钱，主语通常是物。cst的过去式和过去分词均为cst。 new shirt cst Mr Wang 200 yuan. 王先生花了200元买了新衬衫。 Hw much des the new cmputer cst? 新电脑花了多少钱？【拓展延伸】cst还可作名词，意为“花费；价钱”。Culd yu tell me the cst f the trip?
【辨析】 take，spend，pay和cst都可以表示“花费”，但它们的用法各有不同。
根据句意用take, spend, pay或cst的适当形式填空。1. That new car ________ them lts f mney.2. Mna __________ 50 yuan n the bks just nw.3. It usually _______ me an hur t d my hmewrk.4. Yu shuld __________ sme time practising yur prnunciatin.5. My brther _______ 6, 000 yuan fr the new cmputer yesterday.
4.S tgether,ur actins can make a difference and lead t a better future!
make a difference (t…)表示(对……)产生影响或作用;有关difference的短语：make n difference 对……没有影响make sme difference 对……有些影响make a difference between 对……区别对待eg: Learning English well can make a difference t yur future.学好英语会对你的前途有影响。The new teacher always encurages little Tm. This has made a big difference t him.新来的老师总是鼓励小汤姆，这对他影响很大。
减少代替（做某事）骑自行车（名词）对...有好处外卖食品记得要做某事产生影响或作用导致,引导
instead f ding sth
bike riding
takeaway fd
remember t d sth
make a difference
Retell the cnversatin by filling in the blanks.
An interviewer is asking Susan and Jasn their pinins n _______ plluted prblems. Jasn suggests taking the bus r subway __________ driving can help ___________ the air pllutin. Susan adds ther___________ f bike riding. It ____________ health and it desn’t _______ anything. Susan als says simple things _____ bringing a bag while g shpping can help. And Jasn never uses _________ chpsticks r _______ frks when he buys _________ fd. Susan reminds peple t _____________ thrw rubbish in the bins ________ the public places clean and beautiful. If peple wrk tgether, their actins will ________________ and ________ a better future.
remember t
make a difference
Rle-play the cnversatin in 2d.Try nt t lk at yur bk.
Interviewer: Jasn and Susan, what Jasn: Well, t cut dwn air pllutin, we shuld Susan: Yeah, : Great ideas! What : Mmm, I think : Me, : And : S
Read the fllwing sentences and find ut the grammar items.
be (am/is/are) + 动词-ing
1.表示现在正在进行或发生的动作。
2.表示现阶段或当前一段时间之内 正在进行的动作。
nw、lk、listen、these days等
a.一般情况下，在动词词尾后加-ing。如：g → ging。b.以不发音的e结尾的动词，去掉e加-ing。如：have → having。c.以重读闭音节结尾的动词，末尾只有一个辅音字母，双写这个辅音字母，再加-ing。如：run → running。
动词-ing形式的构成
have/has + 过去分词
1. 表示过去发生或已经完成的动作对现在造成的影响或结果。
2. 从过去某一时间开始并一直持续到现在且还有可能持续下去的动作。
already、yet、ever、never、fr +时间段、since +时间点、s far、in the 等
一般情况下，在动词后加-ed。如: wrk → wrked。在以e结尾的动词后只加-d。如: clse → clsed。以辅音字母加y结尾的动词，应将y改为i再加-ed。如: study → studied。以重读闭音节结尾的动词，要双写末尾的辅音字母再加-ed。如: stp → stpped。
不规则动词的过去分词: AAA型 put put putAAB型 beat beat beatenABA型 becme became becmeABB型 get gt gt/gttenABC型 begin began begun
用括号中所给动词的正确形式填空。The girls ___________ (dance) in the classrm nw.It’s 5 ’clck nw. Mike ____________ (have) dinner.—_______ yu ever ________ (be) t the US? — Yes, twice.4. I __________ (live) here since 1999.
are dancing
is having
Have been
have lived
主动语态表示主语是动作的执行者。被动语态表示主语是动作的承受者，即行为动作的对象。I cleaned my rm. → My rm was cleaned by me.I saw him crss the rad and enter the shp. → He was seen t crss the rad and enter the shp.
在含有使役动词 (如：make) 或感官动词 (see、watch、ntice、hear等) 的主动语态的句子中，这些词后常跟省略t的动词不定式，但是改为被动语态时则要把省去的t还原。
被动语态的基本结构：助动词be + 及物动词的过去分词一般现在时的被动语态：am/is/are + 过去分词一般过去时的被动语态：was/were + 过去分词一般将来时的被动语态：will be/is ging t be + 过去分词含情态动词的被动语态：情态动词 + be + 过去分词
用括号中所给动词的正确形式填空。1. — D yu ften clean yur classrm? — Yes. Our classrm ________________ (clean) every day.2. — Did yu g t Jack’s birthday party? — N, I _______________. (invite)3. A new highway in my hmetwn (build) next mnth.
is cleaned
wasn’t invited
will be built
1. 情态动词一般没有人称和数的变化。2. 情态动词后接动词原形。3. 常用的情态动词有：can/culd、may/might、must/have t、shuld/ught t、wuld、need等。
根据题意选择最适合的情态动词。1. — yu pass me a pen? I’d like t write dwn the phne number. — Sure. Here it is. A. Can B. Need C. Might D. Must2. Yu wrry abut me. It’s nthing serius. A. can’t B. mustn’t C. needn’t D. wn’t
3. —May I g t the cinema, Mm? — Certainly, but yu be back by 11 ’clck. A. can B. may C. must D. need4. —Excuse me. Is this the right way t the Summer Palace? — Srry, I’m nt sure. But it be. A. might B. mustn’t C. can’t D. must5. The man in the ffice be Mr. Black, because he went hme just nw. A. mustn’t B. may nt C. can’t D. needn’t
used t意为“过去常常做某事”，后接动词原形。used t句型的否定句形式：didn’t use t句型的一般疑问句形式：Did + 主语 + use t d表示过去常常做某事，而现在往往不做了；be used t ding表示习惯于做某事。
根据汉语意思补全句子。她过去常常周末和朋友闲逛。 She _____________________ with friends n weekends.2. 他习惯于每天晚上睡得很晚。 He _____________________________at night.
used t hang ut
is used t staying up
Fill in the blanks with the crrect frms f the verbs in brackets.
Je: _______ yu ever _______ (take) part in an envirnmental prject?Eric: Yes, I have. I ________ (help) with a Clean-Up Day last year. It was _________ (cnsider) the biggest clean-up prject this city ________ ever ________ (have).
Je: Hw many peple _______ (take) part?Eric: I _______ (think) mre than 1,000 peple _______ (cme) t help ut.Je: That’s fantastic! I guess everyne in this city is _______ (try) t imprve the envirnment.Eric: Yes, we can’t affrd t _______ (wait) any lnger t take actin!
Fill in the blanks with the apprpriate mdal verbs frm the bx.
Peple ______________ think that big things _____________ be dne t save the earth. Many frget that saving the earth begins with small things. Fr example, yu ________________ save electricity by turning ff the lights when yu leave a rm. Yu ________________ als use reusable bags instead f plastic bags.
must/have t
can, wuld, culd, have t, shuld, must, may/might
can/culd/shuld
I think it’s a great idea that yu nw ______________ pay fr plastic bags in sme stres. And instead f driving t schl r wrk, yu _______________ ride yur bike r walk. If it’s far, yu ______________ take the bus. All these small things _______________ add up and becme big things that _______________ imprve the envirnment. Let’s take actin nw!
can, wuld, culd, have t, shuld, must, may / might
can/culd/wuld
Make a list f things that peple can d t help the envirnment and discuss yur list with yur partner.
use public transprtatin (n.交通运输)turn ff the lights when yu leave a rm take yur wn shpping bags when yu g shppingdn’t use dispsable (adj. 一次性的) items like dispsable cutlery (n. 餐具), cameras, etc.reduce the use f air cnditiners in summergrw mre plants…
I think that everyne shuld use public transprtatin.
I disagree. It’s difficult fr parents with yung children t use public transprtatin…
We can’t affrd t wait any lnger t take actin!我们承担不起继续等待而不采取行动！ affrd v. 承担得起; 买得起; 提供, 给予 常与can, be able t等连用, 多用于否定句或疑问句。 affrd sth. 买得起 / 承受得起某物 affrd t d sth. 有能力做某事 / 负担得起做某事
e.g. Can yu affrd the mbile phne? We can’t affrd t pay such a price.
【语境应用】用affrd或buy的 适当形式填空。 1) They can’t ________ t send their children t cllege. 2) Can yu ________ a new car? 3) Helen ________ sme fruit n her way hme yesterday.
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