(共33张PPT)
Unit 3
Language in use
Module 9 Population
1.能够辨认并表述大数字；
2.能够正确使用冠词；
3.能够理解、描述图表并学会制作图表，结合图表介绍某一地区的人口和环境问题；
4.在听力中能够听懂主要内容并捕捉细节信息。
Language practice
Beijing is a huge city.
It takes an hour to get there by bus.
That’s almost one fifth of the world’s population.
That makes over 131.4 million births a year.
Look and say.
one 1
two 2
three 3
four 4
five 5
six 6
seven 7
eight 8
nine 9
ten 10
eleven 11
twelve 12
thirteen 13
fourteen 14
fifteen 15
sixteen 16
seventeen 17
eighteen 18
nineteen 19
1、1-19的基数词
Grammar 基数词
twenty 20
thirty 30
forty 40
fifty 50
sixty 60
seventy 70
eighty 80
ninety 90
twenty-one 21
twenty-two 22
………………
其它的十位数照此类推，如：
thirty-one 31
forty-two 42
seventy-five 75
ninety-six 96
2、20—90等十位数
3、百、千、万
百 hundred 100 one hundred
200 two hundred
以此类推······
千 thousand 1 000 one thousand
2 000 two thousand
英语里没有“万”这一单位，万也用thousand
表示。如：
10 000 ten thousand 一万
20 000 twenty thousand 两万
4、十万、百万
十万的说法是：100,000 a (one) hundred thousand
200,000 two hundred thousand
million 百万 a (one) million 1 000 000
two million 2 000 000
········以此类推 ······
8 000 000 eight million
457
890
389
three hundred and eighty-nine
four hundred and fifty-seven
eight hundred and ninety
1) 101~999的三位数由“百位数＋and+两位数组成”。 如：325—three hundred and twenty-five
102 one hundred and two
635 six hundred and thirty-five
多位基数词读法
2) 三位数以上的数，从个位往前数，每三位数加一个逗号，从后往前数的第一个逗号代表thousand, 第二个逗号代表million, 第三个逗号是billion，注意这几个词不能用复数形式，后也不能加and。例如：
2,648
two thousand, six hundred and forty-eight
16,250,064
sixteen million, two hundred and fifty thousand, sixty-four
冠词是一种虚词，没有词义，没有数和格的变化，不能单独使用，只能帮助名词或起名词作用的其他词类说明其意义。
冠词有三种形式：
不定冠词 a(n), 定冠词the和零冠词。定冠词特指某一特定名词，不定冠词泛指一般普通名词。零冠词是指名词前面没有不定冠词(a/an)、定冠词(the)，也没有其他限定词的现象。
冠词的用法
一、不定冠词的用法。
1. 首次提到某人, 不定冠词起介绍作用。
I’m preparing some notes for a report.
我正在为一个报告准备笔记。
2. 表示“每一”的概念，相当于 every。
I go to the cinema once a month.
我一个月去看一次电影。
3. 某些固定短语中，要用不定冠词。
have a good time, in a hurry, have a break
二、定冠词的用法。
1. 指前面提到过的人或物，或特指某人或某物。
I have a dog. The dog is brown.
2. 指谈话双方都知道的人或物。
I had to write the same report last term!
3. 用于序数词以及形容词的最高级之前。
He went to the first floor.
4. 用于世界上独一无二的事物。
The sun is shining brightly.
5. 在江河、海洋、山脉等地理名词前及由普通名词构成的专有名词前。
the Great Wall of China
6. 用于表示方位名词前。
Guangdong is in the south of China.
7. 用在弹奏乐器中。
The boy is playing the piano.
8. 在某些形容词前加定冠词，表示一类人或物。
The old are dancing on the playground.
9. 在姓氏复数形式之前, 表示“一家人”或“夫妇两人”。
The Browns are really a large family.
10. 用于某些固定短语中。
by the way
三、零冠词。
1. 在球类活动、学科名称前，以及节日、月份、星期前不用冠词。
1st June is Children’s Day.
2. 名词前已有指示代词、物主代词、不定代词或数词等作定语的名词前不用冠词。
I have several questions to ask.
3. 在某些固定词组和习惯用语中不用冠词。
by bus at night in trouble
1. China
2. the US
3. Australia
4. New Zealand
d) 1,370,537,000
c) 314,791,000
a) 4,437,000
b) 22,956,000
1 Work in pairs. Match the countries
with their populations.
2 Read your answers to Activity 1 the
whole class.
China has a population of …
Now listen and check.
(million)
5
10
15
20
25
30
35
40
Kolkata
Mumbai
New York
Mexico City
Tokyo
2000
2025
(million)
5
10
15
20
25
30
35
40
Kolkata
Mumbai
New York
Mexico City
Tokyo
2000
2025
Population
3 Read the chart and answer the questions.
1. Which city had the largest population in 2000
2. Which city’s population will increase the most from 2000 to 2025
3. Which city will have a larger increase in its population, New York or Mexico City
4. Which city/cities do you think will have the biggest population problem Why
Tokyo had the largest population in 2000.
Mumbai’s population will increase the most from 2000 to 2025.
Mexico City will have a larger increase in its population.
I think Mumbai will have the biggest population problem because its population will increase the fastest.
Mina is (1) ____ eighteen-year-old girl. She’s got (2) ____ brother and (3) ____ sister. Mina is (4) ____ oldest child in (5) _____ family. She lives in (6) ____ very big city. She has (7) ___ job in (8) ____ hotel. She hopes that one day she will have (9) ___ chance to go to (10) ___ college.
an
the
a
a
the
a
a
a
a
4 Complete the passage with a, an or the
where necessary.
1. We believe the schools in Arnwick are very good, and we’re working to make them even _______.
2. Their flat is too large for two people. They want to find a _______ one.
3. Anna always talks about her ideas. I think she needs to listen ________.
4. There are a lot of parks in this city. I think there are ______ parks in a lot of other cities.
better
smaller
few good much small
5 Complete the sentences with the correct
form of the words in the box.
more
fewer
6 Complete the diagram showing population
problems. Use the words in the box to help
you.
air city countryside hospital increase public service traffic water
Problems of Arnwick
People move from _______________
People arrive in _________
Problems: Population __________
Environmental problems
Examples:
_______________
_______________
______________________________
Health problems
Example:
___________
___________
Problems for the government
Examples:
__________________
__________________
__________________
__________________
the countryside
the city
increases
water pollution
air pollution
not enough hospitals
need more schools and buses; need better public services; need more police to protect people
too much traffic
rubbish (crowed flats)
Our world is facing many problems. Two of the biggest are the increasing population and pollution.
The (1) __________ of the world is increasing quickly. Why is this happening Because more babies are born every year and people also live longer. Many people are leaving the (2) __________ to work in the cities, but there is not enough (3) _____ for so many people.
Another huge problem for the world is (4) ________. There’s so much (5) ______ on the roads that in some cities the air is heavily polluted. We should work harder to protect our world.
population
countryside pollution population space traffic
7 Complete the passage with the words in the box.
pollution
traffic
countryside
space
1. Growing population is a problem ________________.
2. The population of China will grow more slowly
____________.
3. The supermarket ___________ when a bigger one
opened in the town.
4. Usually _________ an hour to get there by bus.
5. The town had a lot of pollution in the past but it’s
_____ a problem _________.
all over the world
all over the world closed down in the future it takes not … any more
in the future
8 Complete the sentences with the expressions in the box.
closed down
it takes
not
any more
a) It’s cheaper to share a car than to have a personal car.
b) People in a car club don’t often take
buses, trains or the underground.
c) There are no car clubs in the US.
d) Joining car clubs is good for you and for the city.
9 Listen and choose the best summary.
Joining a car club is cheaper / more expensive than having a personal car.
People in car clubs pay for / don’t pay for a car when they drive.
People in car clubs sometimes / never take a bus or ride a bike.
People in car clubs probably are / are not healthier.
10 Listen again and choose the correct answer.
Do you think car clubs would be popular in China Why / Why not
11 Work in pairs and discuss this question.
Around the world
Read and answer.
1. How many people die each year from drinking
More than 3.4 million people.
2. What’s the purpose of the passage
Call on people to stop the pollution and save water.
Choose a country or town which interests you. It could be your home town.
Decide the points of time you want to look at — for example, now, ten years ago and ten years from now.
Research the population of your place in those years. Write your notes carefully.
12 Work in groups. Prepare to make your graph.
Decide how you want to make your graph.
Draw it and color it. You can also make it on the computer.
Label it clearly.
13 Make your graph.
15 Present your graph to the class.
14 Write a paragraph to describe your graph.
一、单项选择。
1. I read ______ story. It is ______ interesting story.
A. a, an B. a, a C. the, the D. the, an
2. Britain is ______ European country and China is
_______ Asian country.
A. an, an B. a, a C. a, an D. an, a
3. _____ China is ____ old country with ____ long history.
A. The, an, a B. The, a, a C. /, an, the D. /, an, a
4. Shut _____door, please.
A. a B. the C. an D./
5. Einstein won _____ Nobel Prize in Physics in 1921.
A. a B. an C. the D. /
A
C
D
B
C
6. ____ trees have been planted near here, so the air is very fresh.
A. Two hundreds B. Hundred of C. Hundreds of
7. How do you read 131,400,000 _______.
A. One hundred and thirty one million four
hundred thousand
B. One hundred thirty one million four
hundred thousand
C. One hundred and thirty one million and four
hundred thousand
8. The number 22,135 reads _______.
A. twenty-two thousands one hundred and thirty-five
B. twenty-two thousand one hundred and thirty-five
C. twenty-two thousands one hundred thirty-five
D. twenty two thousand one hundred thirty-five6
A
C
B
1.学习了大数字；
2.练习了冠词的使用；
3.学会制作图表并结合图表介绍某一地区的人口问题。
1. Remember the grammar.
2. Finish the workbook.
