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冀教版八年级下册Lesson 45 Let's Sort Garbage!教学演示课件ppt
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这是一份冀教版八年级下册Lesson 45 Let's Sort Garbage!教学演示课件ppt，共25页。PPT课件主要包含了新课导入，预习检测，知识梳理，too much，too many，much too ，it做形式主语的用法，真正主语，形式主语，to go等内容，欢迎下载使用。
D yu knw hw t srt garbage?Let’s watch a vide:
1.能熟悉并能正确运用本课时的重点单词和短语2.能用英语简单描述垃圾分类3.掌握it做形式主语的用法
1.The trees shuld ften, r it will die. A.water B.watered C.be water D.be watered2.It is difficult the wrk n time. A.t finish B.finish C.finishes D.finishing
3.There will be_____peple and _______pllutin in the , fewer B.mre, less C.less, mre D.less, fewer4.The paper B.be use C.be used D.be using 5.Trees can be made__ B.f C.frm D.int
1. Jenny has emptied tw bags f garbage nt the flr. empty此处作及物动词，意为“倒空；使……成为空的”， 可和frm，nt等介词 搭配使用。 把……从……倒出； 把……倒到……上。 He emptied sme apples frm the bag. Danny empties tw bags f garbage nt the flr.
【归纳拓展】empty的不同词性
【图解助记】 Empty the bttle. The bttle is empty.
2. Can I help yu srt it? srt v. 分类。例如： They srted the ranges int large nes and small nes. Please srt these cards accrding t their clur.3. Almst all f it can be reused r recycled!1) 此句为含有情态动词的被动语态，其构成形式为： 情态动词(can / may / must / shuld) +be + 过去分词。例如： The flwers shuld be watered every day. Cars mustn’t be parked here. Children can be taken t the cinema free n Children’s Day.
2) re-是前缀，意思是“再，重新”。例如：rewrite, replay, reappear, rebuild, remarry等。reuse意思是“重新使用，再使用”She ften reuses ld envelpes.recycle意思是“使再循环；使……重新利用，重复利用”They recycle empty tins s as t use the metal.
4. Peple thrw t much away! t much修饰不可数名词或修饰比较级, 有“过分，难以接受”之意。 t many 太多，修饰可数名词的复数 much t 太……，修饰原级
1). 去年雨水太多。 There was _________ rain last year.2). 不要吃得太多, 否则你会生病的。 Dn’t eat ________, r yu’ll get ill.3). 这个比那个大得多的多。 This ne is ________ bigger than that ne.4). 汽车太多。There are _________ cars.5). 收音机太吵了，请关掉它。 The radi is _________ nisy. Please turn it ff.
5. There is the least amunt f glass. the least amunt 意为“数量最少的……” The fastest team drpping the least amunt f ht peppers wins. the mst amunt 意为“数量最多的……”6. It can be fixed. can be dne是含有情态动词的被动语态。 fix相当于mend和repair，意思是“修理，修补”， 但fix较为口语化。mend除可以表示一般性修理外， 还可以用来表示对衣服等进行修改或修补。
7. It can all be recycled, and made int new glass. be made int … 被制成…… He will make this skin int leather. We can make glass int bttles.
被动语态：This skin will be made int leather.Glass can be made int bttles.
Danny empties tw bags f garbage nt the flr.Jenny: That's a lt f garbage! Can I help yu srt it?Danny: Yes, please. Let's put the glass here, the metal here, the plastichere and the paper here.(After they srt the garbage, Danny and Jenny are surprised. Almst all f it can be reused r recycled！ They need t thrw away nly ne small bag f garbage！)Jenny: Peple thrw t much away. They shuldn't wastes much!
Danny: That's right. Lk！There is mre paper than plastic.And there is less metal than plastic. There is the least amunt f glass.Jenny: And the mst amunt is paper. It is a waste t use paper nly n ne side.Danny: Hey! I fund a ty car. One f the wheels is brken. I'll take this car hme and clean it. Then I'll use sme glue t fix the brken wheel. When I finish fixing this car, I will give it t my little cusin, Debbie.
Jenny: Nbdy shuld thrw away a ty like this. It can be fixed. It's nt right t waste things. Lk at all f the glass. It can all be recycled and made int new glass.Danny: A lt f glass is brken. It's dangerus t leave brken glass n the grund. Once, I cut my ft n a piece f brken glass.Jenny: Litter can hurt peple！
1. Read the lessn and write true (T) r false (F)．
1).There is a lt f garbage: glass, metal, plastic and paper. ( ) 2).There is the mst amunt f glass and the least amunt f paper.( ) 3).Danny fund Debbie's ty car in the garbage. ( )4).Danny nce cut his ft n a piece f brken glass. ( )
通过本单元Lessn 43的学习我们知道it的各种用法，可以指时间，天气，价值和前面提到的物。观察下列例句，看看有什么不同的用法，并总结出规律 It is a waste t use paper nly n ne side. It is fun t travel! It is nt right t waste things. It is quite easy t find in frmatin with this prgram. They think it is rude t pint with a finger. It is dangerus t leave brken glass n the grund.
Example：It is a waste t use paper nly n ne side.1)．It is fun t travel!2)．It is nt right t waste things.3)．It is quite easy t find infrmatin with this prgram.4)．They think it is rude t pint with a finger.5)．It is dangerus t leave brken glass n the grund.
2. Circle the wrds that “it” refers t in each sentence.
完成下列练习：It is difficult (g)abrad. is a great hnr fr me t be invitedIt is a shame (cheat)in examsI think is easy t learn English well.
PROJECT SORT THE GARBAGEG fr a walk arund yur neighburhd. Take a bag with yu and pick up any garbage yu see. Wear glves because garbage is dirty.Bring the garbage t schl. Dn't thrw it away!What kind f garbage did yu find? Srt the garbage. Make a pile fr paper, plastic, metal, glass and ther things.·Hw much f each type f garbage d yu have?·What type d yu have the least/mst amunt f?D yu want t thrw away the garbage nw? Dn't! What else culd yu d with it? Think! Culd yu use sme f the garbage again? Hw?Hw culd peple make less garbage? Talk abut this and write dwn yur ideas. Nw yu can take ut the garbage！
Hw culd peple make less garbage？ First，peple can buy fewer things. When they buy fewer things，they thrw away fewer things. Secnd，peple can reuse things. They can use things，and then they use them again. Third，peple can recycle things. They can make ld things int new things.
通过观察我们发现it没 ，但在句首充当了 而真正的主语则是 。之所以将真正的主语放在句末是为避免 。
用括号内单词的适当形式填空1.They (thrw) away a lt f garbage yesterday.2. It's nt right ________ (laugh) at peple in truble.3. It is a waste ______ (use).paper nly n ne side.4. It is fun __________(travel).
5. It is nt right ________ (waste) things.6. It is quite easy ________(find) infrmatin with this prgram.7. They think it is rude _________ (pint) with a finger.
二. 改为同义句T help ur parents d the husewrk is right. ___ ___ right ___ _____ ur parents d the husewrk.
It is t help
D yu knw hw t srt garbage?Let’s watch a vide:
1.能熟悉并能正确运用本课时的重点单词和短语2.能用英语简单描述垃圾分类3.掌握it做形式主语的用法
1.The trees shuld ften, r it will die. A.water B.watered C.be water D.be watered2.It is difficult the wrk n time. A.t finish B.finish C.finishes D.finishing
3.There will be_____peple and _______pllutin in the , fewer B.mre, less C.less, mre D.less, fewer4.The paper B.be use C.be used D.be using 5.Trees can be made__ B.f C.frm D.int
1. Jenny has emptied tw bags f garbage nt the flr. empty此处作及物动词，意为“倒空；使……成为空的”， 可和frm，nt等介词 搭配使用。 把……从……倒出； 把……倒到……上。 He emptied sme apples frm the bag. Danny empties tw bags f garbage nt the flr.
【归纳拓展】empty的不同词性
【图解助记】 Empty the bttle. The bttle is empty.
2. Can I help yu srt it? srt v. 分类。例如： They srted the ranges int large nes and small nes. Please srt these cards accrding t their clur.3. Almst all f it can be reused r recycled!1) 此句为含有情态动词的被动语态，其构成形式为： 情态动词(can / may / must / shuld) +be + 过去分词。例如： The flwers shuld be watered every day. Cars mustn’t be parked here. Children can be taken t the cinema free n Children’s Day.
2) re-是前缀，意思是“再，重新”。例如：rewrite, replay, reappear, rebuild, remarry等。reuse意思是“重新使用，再使用”She ften reuses ld envelpes.recycle意思是“使再循环；使……重新利用，重复利用”They recycle empty tins s as t use the metal.
4. Peple thrw t much away! t much修饰不可数名词或修饰比较级, 有“过分，难以接受”之意。 t many 太多，修饰可数名词的复数 much t 太……，修饰原级
1). 去年雨水太多。 There was _________ rain last year.2). 不要吃得太多, 否则你会生病的。 Dn’t eat ________, r yu’ll get ill.3). 这个比那个大得多的多。 This ne is ________ bigger than that ne.4). 汽车太多。There are _________ cars.5). 收音机太吵了，请关掉它。 The radi is _________ nisy. Please turn it ff.
5. There is the least amunt f glass. the least amunt 意为“数量最少的……” The fastest team drpping the least amunt f ht peppers wins. the mst amunt 意为“数量最多的……”6. It can be fixed. can be dne是含有情态动词的被动语态。 fix相当于mend和repair，意思是“修理，修补”， 但fix较为口语化。mend除可以表示一般性修理外， 还可以用来表示对衣服等进行修改或修补。
7. It can all be recycled, and made int new glass. be made int … 被制成…… He will make this skin int leather. We can make glass int bttles.
被动语态：This skin will be made int leather.Glass can be made int bttles.
Danny empties tw bags f garbage nt the flr.Jenny: That's a lt f garbage! Can I help yu srt it?Danny: Yes, please. Let's put the glass here, the metal here, the plastichere and the paper here.(After they srt the garbage, Danny and Jenny are surprised. Almst all f it can be reused r recycled！ They need t thrw away nly ne small bag f garbage！)Jenny: Peple thrw t much away. They shuldn't wastes much!
Danny: That's right. Lk！There is mre paper than plastic.And there is less metal than plastic. There is the least amunt f glass.Jenny: And the mst amunt is paper. It is a waste t use paper nly n ne side.Danny: Hey! I fund a ty car. One f the wheels is brken. I'll take this car hme and clean it. Then I'll use sme glue t fix the brken wheel. When I finish fixing this car, I will give it t my little cusin, Debbie.
Jenny: Nbdy shuld thrw away a ty like this. It can be fixed. It's nt right t waste things. Lk at all f the glass. It can all be recycled and made int new glass.Danny: A lt f glass is brken. It's dangerus t leave brken glass n the grund. Once, I cut my ft n a piece f brken glass.Jenny: Litter can hurt peple！
1. Read the lessn and write true (T) r false (F)．
1).There is a lt f garbage: glass, metal, plastic and paper. ( ) 2).There is the mst amunt f glass and the least amunt f paper.( ) 3).Danny fund Debbie's ty car in the garbage. ( )4).Danny nce cut his ft n a piece f brken glass. ( )
通过本单元Lessn 43的学习我们知道it的各种用法，可以指时间，天气，价值和前面提到的物。观察下列例句，看看有什么不同的用法，并总结出规律 It is a waste t use paper nly n ne side. It is fun t travel! It is nt right t waste things. It is quite easy t find in frmatin with this prgram. They think it is rude t pint with a finger. It is dangerus t leave brken glass n the grund.
Example：It is a waste t use paper nly n ne side.1)．It is fun t travel!2)．It is nt right t waste things.3)．It is quite easy t find infrmatin with this prgram.4)．They think it is rude t pint with a finger.5)．It is dangerus t leave brken glass n the grund.
2. Circle the wrds that “it” refers t in each sentence.
完成下列练习：It is difficult (g)abrad. is a great hnr fr me t be invitedIt is a shame (cheat)in examsI think is easy t learn English well.
PROJECT SORT THE GARBAGEG fr a walk arund yur neighburhd. Take a bag with yu and pick up any garbage yu see. Wear glves because garbage is dirty.Bring the garbage t schl. Dn't thrw it away!What kind f garbage did yu find? Srt the garbage. Make a pile fr paper, plastic, metal, glass and ther things.·Hw much f each type f garbage d yu have?·What type d yu have the least/mst amunt f?D yu want t thrw away the garbage nw? Dn't! What else culd yu d with it? Think! Culd yu use sme f the garbage again? Hw?Hw culd peple make less garbage? Talk abut this and write dwn yur ideas. Nw yu can take ut the garbage！
Hw culd peple make less garbage？ First，peple can buy fewer things. When they buy fewer things，they thrw away fewer things. Secnd，peple can reuse things. They can use things，and then they use them again. Third，peple can recycle things. They can make ld things int new things.
通过观察我们发现it没 ，但在句首充当了 而真正的主语则是 。之所以将真正的主语放在句末是为避免 。
用括号内单词的适当形式填空1.They (thrw) away a lt f garbage yesterday.2. It's nt right ________ (laugh) at peple in truble.3. It is a waste ______ (use).paper nly n ne side.4. It is fun __________(travel).
5. It is nt right ________ (waste) things.6. It is quite easy ________(find) infrmatin with this prgram.7. They think it is rude _________ (pint) with a finger.
二. 改为同义句T help ur parents d the husewrk is right. ___ ___ right ___ _____ ur parents d the husewrk.
It is t help
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