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外研版 (新标准)八年级上册Unit 3 Language in use .备课课件ppt
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这是一份外研版 (新标准)八年级上册Unit 3 Language in use .备课课件ppt，共49页。PPT课件主要包含了the，better，smaller，more，fewer，the city，increases，the air，the water，population等内容，欢迎下载使用。
Language practice
Beijing is a huge city. It takes an hur t get there by bus.That’s almst ne fifth f the wrld’s ppulatin.That makes ver 131.4 millin births a year.
冠词和数词基数词的用法1.冠词(1)不用冠词的情况①在专有名词或不可数名词前。China is my hme twn.②名词前有指示代词、物主代词或不定代词 作定语。There are many apples in the basket.
③在一日三餐、球类运动、棋类运动、 学科及季节、日期的名词前。play vlleyball 打排球learn English 学英语have dinner 吃晚饭④在某些固定短语中。at night 在晚上
(2)不定冠词 a/an① a 用在读音以辅音音素开头的名词前； an 用在读音以元音音素开头的名词前。a by 一个男孩 an apple 一个苹果②用于可数名词单数前，表示“一个”相当于ne。This is an apple.
③用在可数的、单数形式的普通名词前，表示价 格、速度、时间、频率等度量上的“每一”。I watch TV nce a week.④首次提到某人或某物，不定冠词起介绍作用。A girl wants t ask fr sme help.
⑤用在序数词前表示“又一、再一”的意思。I want t have a secnd ne.⑥用于固定短语中。have a gd time
(3)定冠词 the①用于谈话双方都清楚的名词前，表示特指。I had t g t the shp at that time.②用于再次被提到的名词前。I have a cat. The cat is black.
③特指某人或某物。The by with shrt hair is my cusin. ④用于形容词最高级或序数词前。the first by⑤用于世界上独一无二的事物或乐器名词前。the sun play the pian [注意] 在某些词组中，名词前用冠词和不用冠词的意义有所不同。
in class 在课堂上in the class 在班里in hspital 生病住院in the hspital 在医院里in frnt f 在……（外部）的前面in the frnt f 在……（内部）的前面
2.数词基数词(1)基数词从 1-12，写法都不同。ne, eleven(2) 13-19 都是以后缀 -teen 结尾。thirteen
(3)十位数和个位数之间添加连字符。21 twenty-ne (4)百位数与十位数之间要用 and 。101 ne hundred and ne
(5)千位数以上的数，从数字的右端向左端数 起，每三位数加一个“,”。 从右开始，第一个 “,”前的数字后添加 thusand ，第二个“,” 前的数字后添加 millin ，第三个“,”前的数字 后添加 billin。然后一节一节分别表示，两个 逗号之间最大的数为百位数形式。
2 , 427 , 155 , 256 读作: tw billn, fur hundred and twenty-seven millin, ne hundred and fifty-fivethusand, tw hundred and fifty-six
1 China a) 4,437,0002 the USA b) 22,956,0003 Australia c) 314,791,0004 New Zealand d) 1,370,537,000
Wrk in pairs. Match the cuntries with their ppulatins.
When yu see a table r a chart, lk carefully at the labels and graphs t make sure that yu understand what they are shwing. Lk at the chart belw. What is it cmparing? What can yu cnclude?
Learning t learn
Read yur answers t Activity 1 t the whle class.
China has a ppulatin f…
Nw listen and check.
Read the chart and answer the questins.
Ppulatin(millin)
1 Which city had the largest ppulatin in 2000?2 Which city’s ppulatin will increase the mst frm 2000 t 2025?
Tky had the largest ppulatin in 2000.
Mumbai’s ppulatin will increase the mst frm 2000 t 2025.
3 Which city will have a larger increase in its ppulatin, New Yrk r Mexic City?
Mexic city.
4 Which city / cities d yu think will have the biggest ppulatin prblem? Why?
I think Mumbai will have the biggest ppulatin prblem because its ppulatin will increase the fastest.
Cmplete the passage with a, an r the where necessary.
Mina is (1) ____eighteen-year-ld girl. She has gt (2) ____ brther and (3) _____ sister. Mina is (4) ___ ldest child in (5) ____ family.
She lives in (6) ____ very big city. She has (7) ______ jb in (8) _____ htel. She hpes that ne day she will have (9) _____ chance t g t (10) _____ cllege.
Cmplete the sentences with the crrect frm f the wrds in the bx.
few gd much small
1 We believe the schls in Arnwick are very gd, and we are wrking t make them even _______.
2 Their flat is t large fr tw peple. They want t find a _______ ne.3 Anna always talks abut her ideas. I think she needs t listen _______.4 There are a lt f parks in this city. I think there are _______ parks in a lt f ther cities.
Cmplete the diagram shwing ppulatin prblems. Use the wrds in the bx t help yu.
air city cuntryside hspital increase public service traffic water
Prblems f Arnwick
Prblems: Ppulatin ___________
Peple arrive in _________
Peple mve frm ______________
the cuntryside.
Envirnmental prblems Examples: _____________________ _____________________ ____________________ _____________________
the traffic
the rubbish
Health prblemsExample: _________________________ _________________________ _________________________ _________________________
nt enugh hspitals
Prblems fr the gvernment Examples: ______________________________ ______________________________ ______________________________
Need mre schls and buses.
Need mre plice t prtect peple.
Need better public services.
Cmplete the passage with the wrds in the bx.
cuntryside pllutin ppulatin space traffic
Our wrld is facing many prblems. Tw f the biggest are increasing ppulatin and pllutin.
The (1) ___________ f the wrld is increasing quickly. Why is this happening? Because mre babies are brn every year and peple als live lnger. Many peple are leaving the (2) __________ t wrk in the cities, but there is nt enugh (3) _________ fr s many peple.
Anther huge prblem fr the wrld is (4) __________. There is s much (5) ________n the rads that in sme cities the air is heavily plluted. We shuld wrk harder t prtect ur wrld.
Cmplete the sentences with the expressins in the bx.
all ver the wrld clsed dwn it takes in the future nt… any mre
1 Grwing ppulatin is a prblem ________________________.
all ver the wrld
2 The ppulatin f China may grw mre slwly . 3 The supermarket when a bigger ne pened in the twn.4 Usually an hur t get there by bus.5 The twn had a lt f ppulatin in the past but it is a prblem .
nt any mre
in the future
It is cheaper t share a car than t have a persnal car.b) Peple in a car club d nt ften take buses, trains r the undergrund.c) There are n car clubs in the US.d) Jining car clubs is gd fr yu and fr the city.
Listen and chse the best summary.
Listen again and chse the crrect answer.
1 Jining a car club is cheaper / mre expensive than having a persnal car.2 Peple in car clubs pay fr / d nt pay fr a car when they drive.
3 Peple in car clubs smetimes / never take a bus r ride a bike.4 Peple in car clubs prbably are / are nt healthier.
TapescriptJining car clubs is a gd way t get arund in cities. There are many car clubs in the US. Yu can use a car when yu want t, and it’s cheaper than having a persnal car.
Yu nly pay fr the car when yu drive it. Yu dn’t always use the car because smetimes yu can take a bus, r walk r ride a bike. This is healthier fr the city, as there will be fewer cars n the rad. It is als healthier fr yu.
D yu think car clubs wuld be ppular in China? Why / Why nt?
In my pinin, car clubs…
Wrk in pairs and discuss this questin.
Arund the w rld
Wrld ppulatin and water
With mre and mre peple in the wrld, mre and mre water is used. In fact, water use is grwing mre than twice as fast as the wrld’s ppulatin!
As a result, getting gd, clean water is becming a prblem in many places. A lt f water is plluted and in many areas peple have t walk a lng way t get clean fr daily use.
Mre than 3.4 millin peple die each year frm drinking and washing with plluted water. S let’s d everything we can t stp the pllutin and save water.
● Chse a cuntry r twn which interests yu. It culd be yur hme twn.● Decide the pints f time yu want t lk at — fr example, nw, ten years ag and ten years frm nw.● Research the ppulatin f yur place in thse years. Write yur ntes carefully.
Wrk in grups. Prepare t make yur graph.
●Decide hw yu want t make yur graph.●Draw it and clur it. Yu can als make it n the cmputer.●Label it clearly.
Make yur graph.
Write a paragraph t describe yur graph.
Present yur graph t the class.
Pssible answerIn the graph, we can see hw the ppulatin in the twn changed between 1900 and 2000. We can see the ppulatin ging up the vertical line and the years ging acrss the hrizntal line.
Language practice
Beijing is a huge city. It takes an hur t get there by bus.That’s almst ne fifth f the wrld’s ppulatin.That makes ver 131.4 millin births a year.
冠词和数词基数词的用法1.冠词(1)不用冠词的情况①在专有名词或不可数名词前。China is my hme twn.②名词前有指示代词、物主代词或不定代词 作定语。There are many apples in the basket.
③在一日三餐、球类运动、棋类运动、 学科及季节、日期的名词前。play vlleyball 打排球learn English 学英语have dinner 吃晚饭④在某些固定短语中。at night 在晚上
(2)不定冠词 a/an① a 用在读音以辅音音素开头的名词前； an 用在读音以元音音素开头的名词前。a by 一个男孩 an apple 一个苹果②用于可数名词单数前，表示“一个”相当于ne。This is an apple.
③用在可数的、单数形式的普通名词前，表示价 格、速度、时间、频率等度量上的“每一”。I watch TV nce a week.④首次提到某人或某物，不定冠词起介绍作用。A girl wants t ask fr sme help.
⑤用在序数词前表示“又一、再一”的意思。I want t have a secnd ne.⑥用于固定短语中。have a gd time
(3)定冠词 the①用于谈话双方都清楚的名词前，表示特指。I had t g t the shp at that time.②用于再次被提到的名词前。I have a cat. The cat is black.
③特指某人或某物。The by with shrt hair is my cusin. ④用于形容词最高级或序数词前。the first by⑤用于世界上独一无二的事物或乐器名词前。the sun play the pian [注意] 在某些词组中，名词前用冠词和不用冠词的意义有所不同。
in class 在课堂上in the class 在班里in hspital 生病住院in the hspital 在医院里in frnt f 在……（外部）的前面in the frnt f 在……（内部）的前面
2.数词基数词(1)基数词从 1-12，写法都不同。ne, eleven(2) 13-19 都是以后缀 -teen 结尾。thirteen
(3)十位数和个位数之间添加连字符。21 twenty-ne (4)百位数与十位数之间要用 and 。101 ne hundred and ne
(5)千位数以上的数，从数字的右端向左端数 起，每三位数加一个“,”。 从右开始，第一个 “,”前的数字后添加 thusand ，第二个“,” 前的数字后添加 millin ，第三个“,”前的数字 后添加 billin。然后一节一节分别表示，两个 逗号之间最大的数为百位数形式。
2 , 427 , 155 , 256 读作: tw billn, fur hundred and twenty-seven millin, ne hundred and fifty-fivethusand, tw hundred and fifty-six
1 China a) 4,437,0002 the USA b) 22,956,0003 Australia c) 314,791,0004 New Zealand d) 1,370,537,000
Wrk in pairs. Match the cuntries with their ppulatins.
When yu see a table r a chart, lk carefully at the labels and graphs t make sure that yu understand what they are shwing. Lk at the chart belw. What is it cmparing? What can yu cnclude?
Learning t learn
Read yur answers t Activity 1 t the whle class.
China has a ppulatin f…
Nw listen and check.
Read the chart and answer the questins.
Ppulatin(millin)
1 Which city had the largest ppulatin in 2000?2 Which city’s ppulatin will increase the mst frm 2000 t 2025?
Tky had the largest ppulatin in 2000.
Mumbai’s ppulatin will increase the mst frm 2000 t 2025.
3 Which city will have a larger increase in its ppulatin, New Yrk r Mexic City?
Mexic city.
4 Which city / cities d yu think will have the biggest ppulatin prblem? Why?
I think Mumbai will have the biggest ppulatin prblem because its ppulatin will increase the fastest.
Cmplete the passage with a, an r the where necessary.
Mina is (1) ____eighteen-year-ld girl. She has gt (2) ____ brther and (3) _____ sister. Mina is (4) ___ ldest child in (5) ____ family.
She lives in (6) ____ very big city. She has (7) ______ jb in (8) _____ htel. She hpes that ne day she will have (9) _____ chance t g t (10) _____ cllege.
Cmplete the sentences with the crrect frm f the wrds in the bx.
few gd much small
1 We believe the schls in Arnwick are very gd, and we are wrking t make them even _______.
2 Their flat is t large fr tw peple. They want t find a _______ ne.3 Anna always talks abut her ideas. I think she needs t listen _______.4 There are a lt f parks in this city. I think there are _______ parks in a lt f ther cities.
Cmplete the diagram shwing ppulatin prblems. Use the wrds in the bx t help yu.
air city cuntryside hspital increase public service traffic water
Prblems f Arnwick
Prblems: Ppulatin ___________
Peple arrive in _________
Peple mve frm ______________
the cuntryside.
Envirnmental prblems Examples: _____________________ _____________________ ____________________ _____________________
the traffic
the rubbish
Health prblemsExample: _________________________ _________________________ _________________________ _________________________
nt enugh hspitals
Prblems fr the gvernment Examples: ______________________________ ______________________________ ______________________________
Need mre schls and buses.
Need mre plice t prtect peple.
Need better public services.
Cmplete the passage with the wrds in the bx.
cuntryside pllutin ppulatin space traffic
Our wrld is facing many prblems. Tw f the biggest are increasing ppulatin and pllutin.
The (1) ___________ f the wrld is increasing quickly. Why is this happening? Because mre babies are brn every year and peple als live lnger. Many peple are leaving the (2) __________ t wrk in the cities, but there is nt enugh (3) _________ fr s many peple.
Anther huge prblem fr the wrld is (4) __________. There is s much (5) ________n the rads that in sme cities the air is heavily plluted. We shuld wrk harder t prtect ur wrld.
Cmplete the sentences with the expressins in the bx.
all ver the wrld clsed dwn it takes in the future nt… any mre
1 Grwing ppulatin is a prblem ________________________.
all ver the wrld
2 The ppulatin f China may grw mre slwly . 3 The supermarket when a bigger ne pened in the twn.4 Usually an hur t get there by bus.5 The twn had a lt f ppulatin in the past but it is a prblem .
nt any mre
in the future
It is cheaper t share a car than t have a persnal car.b) Peple in a car club d nt ften take buses, trains r the undergrund.c) There are n car clubs in the US.d) Jining car clubs is gd fr yu and fr the city.
Listen and chse the best summary.
Listen again and chse the crrect answer.
1 Jining a car club is cheaper / mre expensive than having a persnal car.2 Peple in car clubs pay fr / d nt pay fr a car when they drive.
3 Peple in car clubs smetimes / never take a bus r ride a bike.4 Peple in car clubs prbably are / are nt healthier.
TapescriptJining car clubs is a gd way t get arund in cities. There are many car clubs in the US. Yu can use a car when yu want t, and it’s cheaper than having a persnal car.
Yu nly pay fr the car when yu drive it. Yu dn’t always use the car because smetimes yu can take a bus, r walk r ride a bike. This is healthier fr the city, as there will be fewer cars n the rad. It is als healthier fr yu.
D yu think car clubs wuld be ppular in China? Why / Why nt?
In my pinin, car clubs…
Wrk in pairs and discuss this questin.
Arund the w rld
Wrld ppulatin and water
With mre and mre peple in the wrld, mre and mre water is used. In fact, water use is grwing mre than twice as fast as the wrld’s ppulatin!
As a result, getting gd, clean water is becming a prblem in many places. A lt f water is plluted and in many areas peple have t walk a lng way t get clean fr daily use.
Mre than 3.4 millin peple die each year frm drinking and washing with plluted water. S let’s d everything we can t stp the pllutin and save water.
● Chse a cuntry r twn which interests yu. It culd be yur hme twn.● Decide the pints f time yu want t lk at — fr example, nw, ten years ag and ten years frm nw.● Research the ppulatin f yur place in thse years. Write yur ntes carefully.
Wrk in grups. Prepare t make yur graph.
●Decide hw yu want t make yur graph.●Draw it and clur it. Yu can als make it n the cmputer.●Label it clearly.
Make yur graph.
Write a paragraph t describe yur graph.
Present yur graph t the class.
Pssible answerIn the graph, we can see hw the ppulatin in the twn changed between 1900 and 2000. We can see the ppulatin ging up the vertical line and the years ging acrss the hrizntal line.
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