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初中英语鲁教版 (五四制)九年级全册Unit 8 We’re trying to save the earth!Section A课文配套ppt课件
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这是一份初中英语鲁教版 (五四制)九年级全册Unit 8 We’re trying to save the earth!Section A课文配套ppt课件，共30页。PPT课件主要包含了Revision，used to，Exercise，have been，have，heard，has played，has，sung，情态动词等内容，欢迎下载使用。
Sectin A 3Grammar Fcus-4c
不同种类的污染2. 河底3. 把垃圾扔到河里4. 在……中起作用
different kinds f pllutin
the bttle f the river
thrw rubbish int the river
play a part in
I. Check if yu knw these phrases.
5. 在中国南部6. 对……有害7. 在……顶部8. 海洋生态系统
in suthern China
be harmful t
at the tp f
the cean’s ecsystem
II. Translate the sentences.
1. 甚至是河底都满是垃圾。2. 这个方法不仅残酷还对环境有害。
Even the bttm f the river was full f rubbish.
This methd is nt nly cruel, but als harmful t the envirnment.
3. 鲨鱼处于海洋食物链的顶部。4. 许多人相信鱼翅对健康有好处。
Sharks are at the tp f the fd chain in the cean’s ecsystem.
A lt f peple believe that shark’s fins are gd fr health.
Pay attentin t the sentences.1. We’re trying t save the earth.2. The river used t be s clean.3. The air is badly plluted.4. N scientific studies have shwn that shark fins are gd fr health.5. We shuld help save the sharks.
Present prgressive
Passive vice
Present perfect
Grammar Fcus
现在进行时: Present Prgressive
结构: be (am/is/are) + v.-ing标志词：Lk, Listen, nw, right nw…e.g. Lk! The by is crying.
定义：表示说话时(瞬间)正在进行的动作, 也表示目前或现阶段正在进行的动作。
What a fine day tday! Lk! What are they ding?
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e.g. I used t get up at six ’clck. Je is used t drinking a cup f cffee every mrning.
used t d与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e.g. A new schl was built last year. Our classrm is cleaned every day.
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.
结构: has/have + 过去分词标志词：already, yet, ever, never, since, fr…e.g. I haven’t finished my hmewrk yet.
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。
现在完成时: Present Perfect
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.
has wrked
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
1. 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。
2. 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。 e.g. Ken can climb up the tress 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.
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!
v. 承担得起(后果); 买得起
Fill in the blanks with the apprpriatemdal 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
can wuld culdhave t shuld mustmay/ might
electricity by turning ff the lights when yu leave a rm. Yu ______ als use reusable bags instead f plastic bags. 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!
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…
I think that everyne shuld use public transprtatin.
I disagree. It’s difficult fr parents with yung children t use public transprtatin…
1. We can’t affrd t wait any lnger t take actin! affrd v. 承担得起; 提供, 给予 affrd t d sth. (常与can, be able t连用) 买得起; 有足够的……e.g. We can’t affrd t pay such a price. 我们付不起这个价钱。 Dancing affrds us pleasure. 跳舞给我们带来快乐。
2. …save electricity by turning ff the lights when yu leave a rm. turn ff 关掉 e.g. Please turn the televisin ff befre yu g t bed. 睡觉前请关掉电视。
turn arund 转身 turn up 调高(音量)turn dwn 调低; 拒绝turn int 变成; 进入 turn n 打开, 发动 turn ff 关掉, 关闭turn ut t be 结果是turn ver 移交
拓展: turn相关短语
Sectin A 3Grammar Fcus-4c
不同种类的污染2. 河底3. 把垃圾扔到河里4. 在……中起作用
different kinds f pllutin
the bttle f the river
thrw rubbish int the river
play a part in
I. Check if yu knw these phrases.
5. 在中国南部6. 对……有害7. 在……顶部8. 海洋生态系统
in suthern China
be harmful t
at the tp f
the cean’s ecsystem
II. Translate the sentences.
1. 甚至是河底都满是垃圾。2. 这个方法不仅残酷还对环境有害。
Even the bttm f the river was full f rubbish.
This methd is nt nly cruel, but als harmful t the envirnment.
3. 鲨鱼处于海洋食物链的顶部。4. 许多人相信鱼翅对健康有好处。
Sharks are at the tp f the fd chain in the cean’s ecsystem.
A lt f peple believe that shark’s fins are gd fr health.
Pay attentin t the sentences.1. We’re trying t save the earth.2. The river used t be s clean.3. The air is badly plluted.4. N scientific studies have shwn that shark fins are gd fr health.5. We shuld help save the sharks.
Present prgressive
Passive vice
Present perfect
Grammar Fcus
现在进行时: Present Prgressive
结构: be (am/is/are) + v.-ing标志词：Lk, Listen, nw, right nw…e.g. Lk! The by is crying.
定义：表示说话时(瞬间)正在进行的动作, 也表示目前或现阶段正在进行的动作。
What a fine day tday! Lk! What are they ding?
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e.g. I used t get up at six ’clck. Je is used t drinking a cup f cffee every mrning.
used t d与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e.g. A new schl was built last year. Our classrm is cleaned every day.
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.
结构: has/have + 过去分词标志词：already, yet, ever, never, since, fr…e.g. I haven’t finished my hmewrk yet.
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。
现在完成时: Present Perfect
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.
has wrked
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
1. 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。
2. 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。 e.g. Ken can climb up the tress 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.
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!
v. 承担得起(后果); 买得起
Fill in the blanks with the apprpriatemdal 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
can wuld culdhave t shuld mustmay/ might
electricity by turning ff the lights when yu leave a rm. Yu ______ als use reusable bags instead f plastic bags. 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!
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…
I think that everyne shuld use public transprtatin.
I disagree. It’s difficult fr parents with yung children t use public transprtatin…
1. We can’t affrd t wait any lnger t take actin! affrd v. 承担得起; 提供, 给予 affrd t d sth. (常与can, be able t连用) 买得起; 有足够的……e.g. We can’t affrd t pay such a price. 我们付不起这个价钱。 Dancing affrds us pleasure. 跳舞给我们带来快乐。
2. …save electricity by turning ff the lights when yu leave a rm. turn ff 关掉 e.g. Please turn the televisin ff befre yu g t bed. 睡觉前请关掉电视。
turn arund 转身 turn up 调高(音量)turn dwn 调低; 拒绝turn int 变成; 进入 turn n 打开, 发动 turn ff 关掉, 关闭turn ut t be 结果是turn ver 移交
拓展: turn相关短语
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