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所属成套资源：九年级英语上同步教学课件（仁爱版）
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2020-2021学年Topic 1 When was it invented?教学课件ppt
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这是一份2020-2021学年Topic 1 When was it invented?教学课件ppt，文件包含23Unit1Topic2SectionB课件ppt、p11-1amp3、p12-2mp3、P11-1aswf等4份课件配套教学资源，其中PPT共32页， 欢迎下载使用。
选用所给单词或词组填空 already, yet, ever, never, have been t, have gne t1. Tm has _____________ finished his hmewrk. Nw he is playing ftball n the playgrund. 2. Have yu _____ been t the Great Wall?3. She hasn’t cme back ____.4. I have ____ heard f that befre. It is s strange. 5. Has he kept the bk ____?6. –Have yu seen the film? ---Yes. I have ____________ seen it.7. ____ yu ever _______________ Hainan?8. Mr. Wang isn’t here. He _____________ Shanghai.
just / already
There are s many peple!
What a large ppulatin!
形容人口多用large/big修饰，形容人口少用small 修饰
Task 1. Listen t 1a and match the infrmatin.
Make similar cnversatins after the example.
Example:A.: What’s the ppulatin f the wrld?B: It’s abut 7.2 billin.
The wrld has a ppulatin f 7.2 billin and it is increasing by __________ every year. _______ has the largest ppulatin. It has already reached __________ and India is _________ with 1.1 billin. The ppulatin in develping cuntries is ______ and is grwing ________ than that in develped cuntries. Luckily, ur cuntry has carried ut sme plicies t ______the ppulatin.
1.37 billin
Task 2. Watch the vide and fllw it. Then finish 1c.
增长了...增长到...有...人口发展中国家实施采取措施做某事确实如此
increase by...
have a ppulatin f...
develping cuntries
take measures t d sth.
Task 3. Read 1a carefully and find the phrases.
e.g. The ppulatin f this city is nearly 300 000. 这个城市的人口将近三十万。 e.g. 80% f the ppulatin in China are farmers. 中国百分之八十的人口是农民。
e.g. The ppulatin f China is very large. 中国人口众多。 The ppulatin in this area is becming smaller and smaller. 这个地区的人口越来越少。
强调人口的具体分布或构成 (作复数）
集合名词 某地整体人口的数量(作单数）
1. ppulatin 通常用large/ big/ small 来修饰表示人口的多少。
Task 4. Key pints.
常用句式： What’s the ppulatin 意为“……人口是多少？”eg: What's the ppulatin f China ? 中国人口是多少？ have a ppulatin f... 意为“有……人口”e.g. China has a pupulatin f 1.3billin. 中国有13亿人口。
2. increase by + 数字 / 倍数 / 百分数 增加了……e.g. The price f the huse has increased by three times. increase t +数字 增加到……e.g. The price f the huse has increased t 500 000.
3.develp 发展（动词）
develping 发展中的（形容词）develped 发达的（形容词）
(e.g.) China is a __________ (develp) cuntry. America is a _____________(develp)cuntry.
4. carry ut 实行，进行，执行。e.g. It wn’t be an easy plan t carry ut. 那并不是一个容易实施的计划。e.g. This is a new plicy, and they will carry it ut next year. 这是一项新政策，他们将在明年实施它。
The supermarket is very crwded.
S +主语+ be/情态动词/助动词
Lucy dances very well.
She has cleaned the rm.
5. S it is.
A：What a large ppulatin ! The wrld … 6.8 billin. … 80 millin every year.B：Which cuntry …?A：China … reach…, and India …with ….B：… the USA?A：309 millin.B：It shws … develping cuntries … develped cuntries.A：…is grwing faster …B：S it is. The ppulatin prblem … develping cuntriesA：China … carry ut … cntrl the ppulatin.
Task 5. Act ut the dialg.
numbers in ur lives
ne hundred and fifty yuan
thusands f peple
tw pint tw six (2.26) meters tall
tw thusand and eight Olympic Games
Task 6. Learn the numbers.
1,000,000,000 ne billin
1,000,000 ne millin
1,000 ne thusand
3.14three pint ne fur
100 ne hundred
First, try t separate the number in grups f three frm right t left. Then read it in rder frm billin t millin and thusand.
Hw t read numbers?
1 , 0 0 0 , 0 0 0 , 0 0 0
1 0 0 0 0 0 0 0 0 0
Task 7. Listen and read the numbers, paying special attentin t the intnatin. Then read the ther numbers with yur partner.
543.7five hundred and frty-three pint seven 1 562ne thusand, five hundred and sixty-tw6 004 001six millin, fur thusand and ne7 198 764 502seven billin, ne hundred and ninety-eight millin, seven hundred and sixty-fur thusand, five hundred and tw
973nine hundred and seventy-three3 980three thusand , nine hundred and eighty98 721ninety-eight thusand , seven hundred and twenty-ne768 540seven hundred and sixty-eight thusand , five hundred and frty
2 346 780tw millin, three hundred and frty-six thusand, seven hundred and eighty82 346 580eighty-tw millin, three hundred and frty-six thusand, five hundred and eighty405 000 000fur hundred and five millin5 555 555 555five billin, five hundred and fifty-five millin, five hundred and fifty-five thusand, five hundred and fifty-five
Task 8. Wrk in grups and discuss the ppulatin f the wrld. The fllwing chart and questins may help yu.
1. Which f these 5 cuntries has the largest/smallest ppulatin? What’s the ppulatin f it?2. What can yu tell frm the ppulatin in develping cuntries and in develped cuntries?3. What prblems des the large ppulatin cause?4. What measures d yu think shuld be taken t slve the ppulatin prblem?
China has the largest ppulatin. The ppulatin f China is 1.37 billin. Canada has the smallest ppulatin. The ppulatin f Canada is 35 millin.The ppulatin in develping cuntries is larger than that in develped cuntries.The large ppulatin may cause less living space, mre pllutin and s n.
In fact, China is carrying ut the tw-child plicy t slve the prblems caused by the aging (老龄化) ppulatin. Wuld yu like yur parents t have a secnd child? Why r why nt?
Task 9. Discussin.
1. Sme wrds: ppulatin, billin, increase, reach, luckily, plicy, Russia, measure2. Sme phrases: increase by, develping cuntries, develped cuntries, carry ut, the ne-child plicy3. Sme sentences: What a large ppulatin! The wrld has a ppulatin f 6.8 billin. S it is.
1. Read numbers in English.2. Talk abut ppulatin prblems.
Chse the best answer.1. — ______ is the ppulatin f Russia? — 143 millin. A. Hw much B. Hw many C. What D. Hw2. There are ______ students in ur schl. A. three thusands B. three thusands f C. three thusand f D. three thusand 3. — Jenny always helps thers. — ______. A. S is she B. S she is C. S des she D. S she des4. The ppulatin f China is ______ than that f Japan. A. larger B. mre C. fewer D. less
( )1.— ____ is the ppulatin f India? —1.1 billin. A. Hw much B. Hw many C. What D. Hw( )2.The ppulatin f China is ______ than that f Japan. A. larger B. mre C. fewer D. less
( )3.We must ______ the plicy t cntrl the heavy traffic in the city. A. carry ut B. take ut C. bring ut D. lk ut( )4.The price f the rice has _____ 20％. A. increase by B. increase t C. increased by D. increased t
5. — ______ is the ppulatin f Russia? — 143 millin. A. Hw much B. Hw many C. What D. Hw6. There are ______ students in ur schl. A. three thusands B. three thusands f C. three thusand f D. three thusand 7. — Jenny always helps thers. — ______. A. S is she B. S she is C. S des she D. S she des8. The ppulatin f China is ______ than that f Japan. A. larger B. mre C. fewer D. less
2. Read the numbers in Part 2 n P12.
1. Read 1a alud.
3. Finish Sectin B in yur wrkbk.
4. Preview Sectin C.
选用所给单词或词组填空 already, yet, ever, never, have been t, have gne t1. Tm has _____________ finished his hmewrk. Nw he is playing ftball n the playgrund. 2. Have yu _____ been t the Great Wall?3. She hasn’t cme back ____.4. I have ____ heard f that befre. It is s strange. 5. Has he kept the bk ____?6. –Have yu seen the film? ---Yes. I have ____________ seen it.7. ____ yu ever _______________ Hainan?8. Mr. Wang isn’t here. He _____________ Shanghai.
just / already
There are s many peple!
What a large ppulatin!
形容人口多用large/big修饰，形容人口少用small 修饰
Task 1. Listen t 1a and match the infrmatin.
Make similar cnversatins after the example.
Example:A.: What’s the ppulatin f the wrld?B: It’s abut 7.2 billin.
The wrld has a ppulatin f 7.2 billin and it is increasing by __________ every year. _______ has the largest ppulatin. It has already reached __________ and India is _________ with 1.1 billin. The ppulatin in develping cuntries is ______ and is grwing ________ than that in develped cuntries. Luckily, ur cuntry has carried ut sme plicies t ______the ppulatin.
1.37 billin
Task 2. Watch the vide and fllw it. Then finish 1c.
增长了...增长到...有...人口发展中国家实施采取措施做某事确实如此
increase by...
have a ppulatin f...
develping cuntries
take measures t d sth.
Task 3. Read 1a carefully and find the phrases.
e.g. The ppulatin f this city is nearly 300 000. 这个城市的人口将近三十万。 e.g. 80% f the ppulatin in China are farmers. 中国百分之八十的人口是农民。
e.g. The ppulatin f China is very large. 中国人口众多。 The ppulatin in this area is becming smaller and smaller. 这个地区的人口越来越少。
强调人口的具体分布或构成 (作复数）
集合名词 某地整体人口的数量(作单数）
1. ppulatin 通常用large/ big/ small 来修饰表示人口的多少。
Task 4. Key pints.
常用句式： What’s the ppulatin 意为“……人口是多少？”eg: What's the ppulatin f China ? 中国人口是多少？ have a ppulatin f... 意为“有……人口”e.g. China has a pupulatin f 1.3billin. 中国有13亿人口。
2. increase by + 数字 / 倍数 / 百分数 增加了……e.g. The price f the huse has increased by three times. increase t +数字 增加到……e.g. The price f the huse has increased t 500 000.
3.develp 发展（动词）
develping 发展中的（形容词）develped 发达的（形容词）
(e.g.) China is a __________ (develp) cuntry. America is a _____________(develp)cuntry.
4. carry ut 实行，进行，执行。e.g. It wn’t be an easy plan t carry ut. 那并不是一个容易实施的计划。e.g. This is a new plicy, and they will carry it ut next year. 这是一项新政策，他们将在明年实施它。
The supermarket is very crwded.
S +主语+ be/情态动词/助动词
Lucy dances very well.
She has cleaned the rm.
5. S it is.
A：What a large ppulatin ! The wrld … 6.8 billin. … 80 millin every year.B：Which cuntry …?A：China … reach…, and India …with ….B：… the USA?A：309 millin.B：It shws … develping cuntries … develped cuntries.A：…is grwing faster …B：S it is. The ppulatin prblem … develping cuntriesA：China … carry ut … cntrl the ppulatin.
Task 5. Act ut the dialg.
numbers in ur lives
ne hundred and fifty yuan
thusands f peple
tw pint tw six (2.26) meters tall
tw thusand and eight Olympic Games
Task 6. Learn the numbers.
1,000,000,000 ne billin
1,000,000 ne millin
1,000 ne thusand
3.14three pint ne fur
100 ne hundred
First, try t separate the number in grups f three frm right t left. Then read it in rder frm billin t millin and thusand.
Hw t read numbers?
1 , 0 0 0 , 0 0 0 , 0 0 0
1 0 0 0 0 0 0 0 0 0
Task 7. Listen and read the numbers, paying special attentin t the intnatin. Then read the ther numbers with yur partner.
543.7five hundred and frty-three pint seven 1 562ne thusand, five hundred and sixty-tw6 004 001six millin, fur thusand and ne7 198 764 502seven billin, ne hundred and ninety-eight millin, seven hundred and sixty-fur thusand, five hundred and tw
973nine hundred and seventy-three3 980three thusand , nine hundred and eighty98 721ninety-eight thusand , seven hundred and twenty-ne768 540seven hundred and sixty-eight thusand , five hundred and frty
2 346 780tw millin, three hundred and frty-six thusand, seven hundred and eighty82 346 580eighty-tw millin, three hundred and frty-six thusand, five hundred and eighty405 000 000fur hundred and five millin5 555 555 555five billin, five hundred and fifty-five millin, five hundred and fifty-five thusand, five hundred and fifty-five
Task 8. Wrk in grups and discuss the ppulatin f the wrld. The fllwing chart and questins may help yu.
1. Which f these 5 cuntries has the largest/smallest ppulatin? What’s the ppulatin f it?2. What can yu tell frm the ppulatin in develping cuntries and in develped cuntries?3. What prblems des the large ppulatin cause?4. What measures d yu think shuld be taken t slve the ppulatin prblem?
China has the largest ppulatin. The ppulatin f China is 1.37 billin. Canada has the smallest ppulatin. The ppulatin f Canada is 35 millin.The ppulatin in develping cuntries is larger than that in develped cuntries.The large ppulatin may cause less living space, mre pllutin and s n.
In fact, China is carrying ut the tw-child plicy t slve the prblems caused by the aging (老龄化) ppulatin. Wuld yu like yur parents t have a secnd child? Why r why nt?
Task 9. Discussin.
1. Sme wrds: ppulatin, billin, increase, reach, luckily, plicy, Russia, measure2. Sme phrases: increase by, develping cuntries, develped cuntries, carry ut, the ne-child plicy3. Sme sentences: What a large ppulatin! The wrld has a ppulatin f 6.8 billin. S it is.
1. Read numbers in English.2. Talk abut ppulatin prblems.
Chse the best answer.1. — ______ is the ppulatin f Russia? — 143 millin. A. Hw much B. Hw many C. What D. Hw2. There are ______ students in ur schl. A. three thusands B. three thusands f C. three thusand f D. three thusand 3. — Jenny always helps thers. — ______. A. S is she B. S she is C. S des she D. S she des4. The ppulatin f China is ______ than that f Japan. A. larger B. mre C. fewer D. less
( )1.— ____ is the ppulatin f India? —1.1 billin. A. Hw much B. Hw many C. What D. Hw( )2.The ppulatin f China is ______ than that f Japan. A. larger B. mre C. fewer D. less
( )3.We must ______ the plicy t cntrl the heavy traffic in the city. A. carry ut B. take ut C. bring ut D. lk ut( )4.The price f the rice has _____ 20％. A. increase by B. increase t C. increased by D. increased t
5. — ______ is the ppulatin f Russia? — 143 millin. A. Hw much B. Hw many C. What D. Hw6. There are ______ students in ur schl. A. three thusands B. three thusands f C. three thusand f D. three thusand 7. — Jenny always helps thers. — ______. A. S is she B. S she is C. S des she D. S she des8. The ppulatin f China is ______ than that f Japan. A. larger B. mre C. fewer D. less
2. Read the numbers in Part 2 n P12.
1. Read 1a alud.
3. Finish Sectin B in yur wrkbk.
4. Preview Sectin C.
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