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- 人教版英语九年级下册Unit 13 We’re trying to save the earth Section A 1a-2d 课件+音频素材 课件 2 次下载
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人教新目标 (Go for it) 版九年级全册Section A优秀课件ppt
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这是一份人教新目标 (Go for it) 版九年级全册Section A优秀课件ppt，共56页。PPT课件主要包含了is ringing，am waiting，is writing，一些特殊的被动语态，is held，was heard，现在完成时 构成，have been，情态动词，Have等内容，欢迎下载使用。
Objectives
T learn abut The Present Cntinuus Tense, passive vice, Present Perfect and Mdal Verbs.
Have yu ever take part in an envirnment prject? What shuld yu d t save the envirnment?
① turn ff the lights when…② use the paper bags...③ walk t schl...
Warming up
Grammar Fcus
现在进行时表示现在或现阶段正在进行或发生的动作。① 肯定句: 主语 + am/is/are + -ing ② 否定句: 主语 + am/is/are + nt + -ing ③ 疑问句: Am/Is/Are + 主语 + -ing
Language pints
现在进行时的用法1.表示说话时正在进行的，目前正在发生的动作。 常带有表示目前时刻的时间状语如：nw, at the (very) mment, fr the time being, at present, 及Lk! Listen! ...① Lk! The big bird is flying away. 看，那只大鸟正在飞走。 ② He is watching a mvie nw. 他现在正在看电影。
2.表示目前一段时间内正在进行，但说话时 可能没有进行的动作。Right nw I am studying Chinese by distance learning. 我现在正通过远程教育学习汉语。
3. 与always, cnstantly, frever, all the time等副 词连用，表示动作反复或习惯。此时句子常 含有说话者的强烈情感在内。表达较强的 “责备”或“表扬”之意。① Yu are always changing yur mind. 你总是主意不定。(太烦人了。) ② He is always helping thers. 他总是帮助别人。(他真是个好人。)
4.对于cme, g, leave, arrive, start等表示位置移动的动词常可用进行时态表将来。① He is leaving n Wednesday. 他将于周三离开。 ② Mary isn’t here at the mment. She is cming later. 玛丽现在不在这儿，她一会儿来。
用括号内所给动词的适当形式填空。 Listen! The phne __________(ring). Please g t answer it.2. — Alan, it’s late. Why nt g t bed? — Jenny hasn’t cme back yet. I ___________ (wait) fr her. 3. — What’s yur father ding nw? — He __________ (write) a letter in the study.
What a fine day tday! Lk! What are they ding?
Grup discussin
used t d sth. 表示过去常常做某事，而现在 往往不做了，后接动词原形be used t ding sth. 表示习惯于做某事I used t get up at six ’clck. 我以前六点钟起床。Je is used t drinking a cup f cffee every mrning.乔习惯每天早晨喝一杯咖啡。
used t d & be used t ding
Translatin.1.她过去常常周末和朋友闲逛。 She used t hang ut with friends n weekends.2.他习惯于每天晚上睡得很晚。 He is used t staying up.
被动语态：Passive vice
定义：表示主语是动作的承受者，即行为动作 的对象的一种语态。结构：be + 过去分词 A new schl was built last year. Our classrm is cleaned every day.
①一般现在时的被动语态：am/is/are + V-edThe first sectin f New Cllege English is designed fr speaking practice and is based n pictures and tpics. ②一般过去时的被动语态：was/were+ V-edThese cmputers were made in ur wn cuntry last year.③一般将来时的被动语态：will/shall+be+V-edShall we be asked t attend the pening ceremny?
1.有些动词可以有两个宾语，直接宾语与间接宾语。
They didn’t ffer Ann the jb.
Ann wasn’t ffered the jb.
(2)直接宾语做主语，需在间接宾语前加t或者fr.
The jb wasn’t ffered t Ann.
She made me a cake.
(1)间接宾语(通常指人)做主语，直接宾语依然保留在谓语后边。
A cake was made fr me.
2. 在使役动词have, make, get以及感官动词see, watch, ntice, hear, feel, bserve等后面不定式作宾语补语时，在主动结构中不定式t要省略，但变为被动结构时，要加 t。
They make her clean the flr.
She is made t clean the flr by them.
3. It + be + V-ed + that从句 =主语+ be + V-ed + t d sth.表示:据说/据报道/据悉/据信等……It is said that the by has passed the natinal exam. The by is said t have passed the natinal exam.据说这个男孩已经通过了这次全国性的测试。
某些感官动词加形容词及少数其他的动词与一些副词连用表示被动意义。smell, taste, prve, sell, etc.The dish tastes delicius. The thery prved right at last.The bk is s interesting that it sells well.The pen writes well.
不可以变成被动语态的情况
2. need做实意动词时，need + V- ing 主动形式表示被动意义。我的车需要修理。My car needs repairing. (= t be repaired). 3. 通常只有及物动词（组）才有被动语态，不及物动词没有。战争爆发了。The war brke ut.但不能说：The war was brken ut.
Translate the sentences by using Passive vice.1. 刚才一些老年人参观了博物馆。2. 工人们使用不同种类的机器工作。
The museum was visited by sme ld peple just nw.
Different kinds f machines are used t wrk by the wrkers.
用括号内所给动词的适当形式填空。
1. The Secndary Schl Entrance Exam _______ (hld) in June.2. A strange nise __________ (hear) by his mther last night.3. A wide rad _____________ (build) between the tw villages by thse peple next year.
will be built
定义：表示动作已经完成, 但对现在造成影响；或者表示从过去某一时间开始一直延续到现在并还可能持续下去的动作。标志词：already, yet, ever, never, since, fr…I haven’t finished my hmewrk yet.
现在完成时: Present Perfect
肯定句：主语 + have / has + V-ed + 其他否定句：主语 + haven’t / hasn’t + V-ed + 其他一般疑问句： Have / Has + 主语 + V-ed+ …？肯定答语：Yes, 主格代词 + have / has.否定答语：N, 主格代词 + haven’t / hasn’t.
Cmplete the fllwing sentences. I _________ (be) in Beijing fr tw years.2. I _____ never _____ (hear) f that man befre.3. Tm ________________ (wrk) there since tw years ag.
4. The twins _____________ (wash) the clthes fr an hur.5. He ___________ (play) basketball since three years ag.6. Hw lng ______ Sally _______ (sing) yet?
have washed
情态动词本身有一定的词义, 表示说话人的情绪、态度或语气, 但不能单独作谓语, 只能与其他动词构成谓语。常见的有: can (culd), may(might), must, need, shall (shuld), will (wuld)等。
情态动词无人称和数的变化，后接动词原形。否定式是在情态动词后面加nt。个别情态动词有过去式形式，可用来表达更加客气、委婉的语气。Ken can climb up the trees like a kala.Tracy culd ride a bicycle when she was five years ld.Yu mustn’t play with fire. It is dangerus.
Translatin.1. 我们不能在教室里吃东西。2. 首先你必须完成作业。3. 他现在不可能在家。4. 她一定知道这个问题的答案。
We can’t eat in the classrm.
Yu must finish yur hmewrk first.
He can’t be at hme nw.
She must knw the answer t this questin.
Je: __________ yu ever __________ (take) part in an envirnmental prject?Ken: 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?
cnsidered t be
Fill in the blanks with the crrect frms f the verbs in brackets.
Ken: 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.Ken: Yes, we can’t affrd t ___________ (wait) any lnger t take actin!
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.
can wuld culd have t shuld must may/might
Fill in the blanks with the apprpriate mdal verbs frm the bx.
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 actins nw!
can wuld culd have t shuld must may/might
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;use reusable bags instead f plastic bags;ride yur bike r walk t schl r wrk;stp using paper napkins(餐巾纸);recycle bks and paper...
A: I think that everyne shuld take yur wn shpping bags when g shpping.B: I agree. it's gd fr the envirnment.
A: I think that everyne shuld reduce the use f air cnditiners in summer.B: I disagree.The summer is s ht, especially in surth China. Withut air- cnditiners, peple may nt have the patience t wrk.
A: I think that everyne shuld turn ff the lights when yu leave the rm.B: I agree. It's gd t save energy resurces.
A: I think that everyne shuld use public transprtatin.B: I disagree. it's diffcult fr parents with yung children t use public transprtatin.
A: I think that everyne shuld grw mre plants.B: I agree.Grwing mre plants will prvide us mre fresh air and make ur planet mre beautiful.
Ⅰ.选择正确的形式填空。1. Nick ____________ (ffer) a jb in a bank, but t ur surprise, he didn’t take it. 2. — Have yu heard f the Earth Day? — Yes. The first Earth Day ______________(celebrate) in 1970 t educate us t prtect ur planet. 3. — Excuse me, whse bk is this? — It ______ (must) be Jhn’s. It has his name n it.
was celebrated
4. Dn’t make s much nise. The children ___________ (have) an English lessn. 5. —Why wn’t yu g t the mvie with me, Gina? — Because I ____________ (see) it twice. 6. — ______ (can) I swim here? — N, yu __________ (must). Lk at the sign “N swimming”.
Ⅱ.单项选择。1. We’re trying ______ the earth. A. t save B. saving C. saved D. be saved 2. My gd friend becmes gd at __________ English every day. A. speak B. speaking C. speaks D. t speak
3. I ______ take dance lessns, but I dn’t d anymre nw. A. used t B. used C. using D. t use t 4. It was _______ the nicest river in twn. A. cnsidering B. cnsidered C. have cnsidered D. t be cnsidered5. When it cmes t ________ the earth, peple may think that big things shuld be dne. A. save B. be saved C. saved D. saving
6. In the last ten mnths, September Miracle ____ n CCTV fr mre than five times and is ppular all ver the cuntry. A. has played the pian B. has given ut their sng disks C .has written sngs D. has perfrmed7. Nt nly my friends but als I _______ interested in ftball and Messi is ur favrite star. A. be B. am C. is D. are
8. It’s getting dark. Please _____ the light. A. turn n B. turn ff C. turn dwn D. turn arund9. — Hw des Jack usually g t wrk? — He _____ drive a car, but nw he _____ there t lse weight. A. used t, is used t walk B. was used t, is used t walking C. was used t, is used t walk D. used t, is used t walking
10. He prmised t pick me up at the schl gate. Hwever, he _____ yet. A. didn’t arrive B. desn’t arrive C. isn’t arriving D. hasn’t arrived11. Ba Jin, ne f the greatest writers in China, _____ as “Peple’s Writer”. A. is regarded B. has regarded C. is regarding D. regards
12. Many yung peple tk part in _______ trees n Tree Planting Day. A. planting B. plants C. t plant D. plant
Ⅲ.根据所给汉语完成英语句子。1. 这条河过去很干净。 The river _______ _______ _______ s clean.2. 我们应该帮助拯救鲨鱼。We shuld _______ _______ the sharks.
used t be
help save
3. 然而，很多人忘记了拯救地球从小事做起。 Hwever, many frget that saving the earth _____________ small things. 4. 在很多商店，你不得不付塑料袋的费用 In sme stres, yu nw have t ________ plastic bags.5. 我们认为每个人都应该使用公共交通工具。 We think that everyne shuld use ________ _______________.
begins with
transprtatin
6. 所有这些小的事情加起来变成能改善环境的大的事情。 All these small things can _____________ and becme big things that wuld ____________________________.7. 我们已经看到环境方面的很多变化。 We ____________________________ in the envirnment.8. 空气污染变得越来越糟糕了。 The air pllutin is ______________________________.
imprve the envirnment
have seen many changes
getting wrse and wrse
9. 这条河被工厂污染了。 The river________________ by factries.10. 人们应该多乘坐公共交通工具。 Peple shuld _________________________ mre.
take public transprtatin
Nw waste frm daily life in the city f Shanghai _______ t be separated int fur different grups.is requiring B. is required C. was required D. required
句意为“现在上海市日常生活垃圾要求分为四类。”根据句意可知，垃圾被要求进行分类，要使用被动语态；由nw“现在” 可知，要选择一般现在时的被动语态。
I like nvels written by J. K. Rwling. S far I _______ all her wrks abut Harry Ptter.A. have read B. read C. am reading
句意为“我喜欢 J.K.罗琳写得小说。到目前为止，我已经拜读过她所有关于哈利波特的作品。”s far，意为“到目前为止”，句子要用现在完成时。
Review present prgressive, passive vice, present perfect, used t and mdal verbs.2. Read the articles in Learning English.3. Preview the new wrds and expressins4. Preview 1a-2a n page 101.
Objectives
T learn abut The Present Cntinuus Tense, passive vice, Present Perfect and Mdal Verbs.
Have yu ever take part in an envirnment prject? What shuld yu d t save the envirnment?
① turn ff the lights when…② use the paper bags...③ walk t schl...
Warming up
Grammar Fcus
现在进行时表示现在或现阶段正在进行或发生的动作。① 肯定句: 主语 + am/is/are + -ing ② 否定句: 主语 + am/is/are + nt + -ing ③ 疑问句: Am/Is/Are + 主语 + -ing
Language pints
现在进行时的用法1.表示说话时正在进行的，目前正在发生的动作。 常带有表示目前时刻的时间状语如：nw, at the (very) mment, fr the time being, at present, 及Lk! Listen! ...① Lk! The big bird is flying away. 看，那只大鸟正在飞走。 ② He is watching a mvie nw. 他现在正在看电影。
2.表示目前一段时间内正在进行，但说话时 可能没有进行的动作。Right nw I am studying Chinese by distance learning. 我现在正通过远程教育学习汉语。
3. 与always, cnstantly, frever, all the time等副 词连用，表示动作反复或习惯。此时句子常 含有说话者的强烈情感在内。表达较强的 “责备”或“表扬”之意。① Yu are always changing yur mind. 你总是主意不定。(太烦人了。) ② He is always helping thers. 他总是帮助别人。(他真是个好人。)
4.对于cme, g, leave, arrive, start等表示位置移动的动词常可用进行时态表将来。① He is leaving n Wednesday. 他将于周三离开。 ② Mary isn’t here at the mment. She is cming later. 玛丽现在不在这儿，她一会儿来。
用括号内所给动词的适当形式填空。 Listen! The phne __________(ring). Please g t answer it.2. — Alan, it’s late. Why nt g t bed? — Jenny hasn’t cme back yet. I ___________ (wait) fr her. 3. — What’s yur father ding nw? — He __________ (write) a letter in the study.
What a fine day tday! Lk! What are they ding?
Grup discussin
used t d sth. 表示过去常常做某事，而现在 往往不做了，后接动词原形be used t ding sth. 表示习惯于做某事I used t get up at six ’clck. 我以前六点钟起床。Je is used t drinking a cup f cffee every mrning.乔习惯每天早晨喝一杯咖啡。
used t d & be used t ding
Translatin.1.她过去常常周末和朋友闲逛。 She used t hang ut with friends n weekends.2.他习惯于每天晚上睡得很晚。 He is used t staying up.
被动语态：Passive vice
定义：表示主语是动作的承受者，即行为动作 的对象的一种语态。结构：be + 过去分词 A new schl was built last year. Our classrm is cleaned every day.
①一般现在时的被动语态：am/is/are + V-edThe first sectin f New Cllege English is designed fr speaking practice and is based n pictures and tpics. ②一般过去时的被动语态：was/were+ V-edThese cmputers were made in ur wn cuntry last year.③一般将来时的被动语态：will/shall+be+V-edShall we be asked t attend the pening ceremny?
1.有些动词可以有两个宾语，直接宾语与间接宾语。
They didn’t ffer Ann the jb.
Ann wasn’t ffered the jb.
(2)直接宾语做主语，需在间接宾语前加t或者fr.
The jb wasn’t ffered t Ann.
She made me a cake.
(1)间接宾语(通常指人)做主语，直接宾语依然保留在谓语后边。
A cake was made fr me.
2. 在使役动词have, make, get以及感官动词see, watch, ntice, hear, feel, bserve等后面不定式作宾语补语时，在主动结构中不定式t要省略，但变为被动结构时，要加 t。
They make her clean the flr.
She is made t clean the flr by them.
3. It + be + V-ed + that从句 =主语+ be + V-ed + t d sth.表示:据说/据报道/据悉/据信等……It is said that the by has passed the natinal exam. The by is said t have passed the natinal exam.据说这个男孩已经通过了这次全国性的测试。
某些感官动词加形容词及少数其他的动词与一些副词连用表示被动意义。smell, taste, prve, sell, etc.The dish tastes delicius. The thery prved right at last.The bk is s interesting that it sells well.The pen writes well.
不可以变成被动语态的情况
2. need做实意动词时，need + V- ing 主动形式表示被动意义。我的车需要修理。My car needs repairing. (= t be repaired). 3. 通常只有及物动词（组）才有被动语态，不及物动词没有。战争爆发了。The war brke ut.但不能说：The war was brken ut.
Translate the sentences by using Passive vice.1. 刚才一些老年人参观了博物馆。2. 工人们使用不同种类的机器工作。
The museum was visited by sme ld peple just nw.
Different kinds f machines are used t wrk by the wrkers.
用括号内所给动词的适当形式填空。
1. The Secndary Schl Entrance Exam _______ (hld) in June.2. A strange nise __________ (hear) by his mther last night.3. A wide rad _____________ (build) between the tw villages by thse peple next year.
will be built
定义：表示动作已经完成, 但对现在造成影响；或者表示从过去某一时间开始一直延续到现在并还可能持续下去的动作。标志词：already, yet, ever, never, since, fr…I haven’t finished my hmewrk yet.
现在完成时: Present Perfect
肯定句：主语 + have / has + V-ed + 其他否定句：主语 + haven’t / hasn’t + V-ed + 其他一般疑问句： Have / Has + 主语 + V-ed+ …？肯定答语：Yes, 主格代词 + have / has.否定答语：N, 主格代词 + haven’t / hasn’t.
Cmplete the fllwing sentences. I _________ (be) in Beijing fr tw years.2. I _____ never _____ (hear) f that man befre.3. Tm ________________ (wrk) there since tw years ag.
4. The twins _____________ (wash) the clthes fr an hur.5. He ___________ (play) basketball since three years ag.6. Hw lng ______ Sally _______ (sing) yet?
have washed
情态动词本身有一定的词义, 表示说话人的情绪、态度或语气, 但不能单独作谓语, 只能与其他动词构成谓语。常见的有: can (culd), may(might), must, need, shall (shuld), will (wuld)等。
情态动词无人称和数的变化，后接动词原形。否定式是在情态动词后面加nt。个别情态动词有过去式形式，可用来表达更加客气、委婉的语气。Ken can climb up the trees like a kala.Tracy culd ride a bicycle when she was five years ld.Yu mustn’t play with fire. It is dangerus.
Translatin.1. 我们不能在教室里吃东西。2. 首先你必须完成作业。3. 他现在不可能在家。4. 她一定知道这个问题的答案。
We can’t eat in the classrm.
Yu must finish yur hmewrk first.
He can’t be at hme nw.
She must knw the answer t this questin.
Je: __________ yu ever __________ (take) part in an envirnmental prject?Ken: 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?
cnsidered t be
Fill in the blanks with the crrect frms f the verbs in brackets.
Ken: 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.Ken: Yes, we can’t affrd t ___________ (wait) any lnger t take actin!
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.
can wuld culd have t shuld must may/might
Fill in the blanks with the apprpriate mdal verbs frm the bx.
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 actins nw!
can wuld culd have t shuld must may/might
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;use reusable bags instead f plastic bags;ride yur bike r walk t schl r wrk;stp using paper napkins(餐巾纸);recycle bks and paper...
A: I think that everyne shuld take yur wn shpping bags when g shpping.B: I agree. it's gd fr the envirnment.
A: I think that everyne shuld reduce the use f air cnditiners in summer.B: I disagree.The summer is s ht, especially in surth China. Withut air- cnditiners, peple may nt have the patience t wrk.
A: I think that everyne shuld turn ff the lights when yu leave the rm.B: I agree. It's gd t save energy resurces.
A: I think that everyne shuld use public transprtatin.B: I disagree. it's diffcult fr parents with yung children t use public transprtatin.
A: I think that everyne shuld grw mre plants.B: I agree.Grwing mre plants will prvide us mre fresh air and make ur planet mre beautiful.
Ⅰ.选择正确的形式填空。1. Nick ____________ (ffer) a jb in a bank, but t ur surprise, he didn’t take it. 2. — Have yu heard f the Earth Day? — Yes. The first Earth Day ______________(celebrate) in 1970 t educate us t prtect ur planet. 3. — Excuse me, whse bk is this? — It ______ (must) be Jhn’s. It has his name n it.
was celebrated
4. Dn’t make s much nise. The children ___________ (have) an English lessn. 5. —Why wn’t yu g t the mvie with me, Gina? — Because I ____________ (see) it twice. 6. — ______ (can) I swim here? — N, yu __________ (must). Lk at the sign “N swimming”.
Ⅱ.单项选择。1. We’re trying ______ the earth. A. t save B. saving C. saved D. be saved 2. My gd friend becmes gd at __________ English every day. A. speak B. speaking C. speaks D. t speak
3. I ______ take dance lessns, but I dn’t d anymre nw. A. used t B. used C. using D. t use t 4. It was _______ the nicest river in twn. A. cnsidering B. cnsidered C. have cnsidered D. t be cnsidered5. When it cmes t ________ the earth, peple may think that big things shuld be dne. A. save B. be saved C. saved D. saving
6. In the last ten mnths, September Miracle ____ n CCTV fr mre than five times and is ppular all ver the cuntry. A. has played the pian B. has given ut their sng disks C .has written sngs D. has perfrmed7. Nt nly my friends but als I _______ interested in ftball and Messi is ur favrite star. A. be B. am C. is D. are
8. It’s getting dark. Please _____ the light. A. turn n B. turn ff C. turn dwn D. turn arund9. — Hw des Jack usually g t wrk? — He _____ drive a car, but nw he _____ there t lse weight. A. used t, is used t walk B. was used t, is used t walking C. was used t, is used t walk D. used t, is used t walking
10. He prmised t pick me up at the schl gate. Hwever, he _____ yet. A. didn’t arrive B. desn’t arrive C. isn’t arriving D. hasn’t arrived11. Ba Jin, ne f the greatest writers in China, _____ as “Peple’s Writer”. A. is regarded B. has regarded C. is regarding D. regards
12. Many yung peple tk part in _______ trees n Tree Planting Day. A. planting B. plants C. t plant D. plant
Ⅲ.根据所给汉语完成英语句子。1. 这条河过去很干净。 The river _______ _______ _______ s clean.2. 我们应该帮助拯救鲨鱼。We shuld _______ _______ the sharks.
used t be
help save
3. 然而，很多人忘记了拯救地球从小事做起。 Hwever, many frget that saving the earth _____________ small things. 4. 在很多商店，你不得不付塑料袋的费用 In sme stres, yu nw have t ________ plastic bags.5. 我们认为每个人都应该使用公共交通工具。 We think that everyne shuld use ________ _______________.
begins with
transprtatin
6. 所有这些小的事情加起来变成能改善环境的大的事情。 All these small things can _____________ and becme big things that wuld ____________________________.7. 我们已经看到环境方面的很多变化。 We ____________________________ in the envirnment.8. 空气污染变得越来越糟糕了。 The air pllutin is ______________________________.
imprve the envirnment
have seen many changes
getting wrse and wrse
9. 这条河被工厂污染了。 The river________________ by factries.10. 人们应该多乘坐公共交通工具。 Peple shuld _________________________ mre.
take public transprtatin
Nw waste frm daily life in the city f Shanghai _______ t be separated int fur different grups.is requiring B. is required C. was required D. required
句意为“现在上海市日常生活垃圾要求分为四类。”根据句意可知，垃圾被要求进行分类，要使用被动语态；由nw“现在” 可知，要选择一般现在时的被动语态。
I like nvels written by J. K. Rwling. S far I _______ all her wrks abut Harry Ptter.A. have read B. read C. am reading
句意为“我喜欢 J.K.罗琳写得小说。到目前为止，我已经拜读过她所有关于哈利波特的作品。”s far，意为“到目前为止”，句子要用现在完成时。
Review present prgressive, passive vice, present perfect, used t and mdal verbs.2. Read the articles in Learning English.3. Preview the new wrds and expressins4. Preview 1a-2a n page 101.
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