《The population of China is about 1.37 billion》Population PPT课件
Teaching aims
1.Grasp the key words and key structure:
noise, prepare, notes, report, grow, problem, birth, billion, fifth; Beijing is a huge city with a large population.
That makes over 131.4 million births a year.
2. Reading aim:
To be able to read and understand large numbers.
3. Affection:
we should care more about the population problems of our country.
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Words and expressions
/nɔIz / 噪声;杂音 n. noise
/prI'peə / 准备；预备 v. prepare
/nəuts / 笔记；随 笔 n.(pl.) notes
/rI'pɔ:t / 报告；汇报 n. report
/ɡrəu / (grew /ɡru:)增长；增大 v. grow
/hju:dʒ/ 巨大的；庞大的 adj. huge
/kɔ:z / 造成；引起 v. cause
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1 Work in pairs. Look at the picture and talk about it. Use the words in the box to help you.
noise people
space traffic
2 Listen and check the correct answer:
1 What is the population of Beijing?
a) About 11 million
b) About 13 million
c) About 20 million
2 What is the population of Chongqing?
a) About 28 million
b) About 33 million
c) About 36 million
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Grammar Focus
(一)数词 Numeral
数词是用来表示事物的数目和顺序的词。
数词的分类：
1.基数词
2.序数词
3.分数词
今天我们先来学习一下基数词。
1. 复习1—100以内的所有数字。
2. 掌握百、千、万、十万、百万的表达法。
1、1-19的基数词
one 1 six 6
two 2 seven 7
three 3 eight 8
four 4 nine 9
five 5 ten 10
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多位基数词读法
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
389 three hundred and eighty-nine
457 four hundred and fifty-seven
890 eight hundred and ninety
608 six hundred and eight
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
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(二)冠词 Articles
一.冠词的定义
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。
冠词分定冠词和不定冠词两大类。定冠词特指一特定名词，不定冠词泛指一般普通名词。
二.不定冠词的用法
不定冠词有a和an两种形式，a用在以辅音开头的名词前，an用在以元音开头的名词前。它的用法如下：
1.表示“一个”的意思，与数词one相同。
例如：Rome was not built in a day.
罗马不是一天建成的；伟业非一日之功
The project(项目，计划) will be carried out（执行，贯策） in a year or two.
2.表示一类人或事物。
例如：A dog is a faithful（忠诚的） animal.
Even a woman can do it.
3.表示“每一”，相当于per，用于某些表示时
间、重量、长度等单位前。
例如：He earns two thousand yuan a month.
The train is running sixty miles(英里)an hour.
4.表示同样的人或事物，相当于the same。
例如：Birds of a feather（羽毛） flock (一群）together./They are people of a kind.
一群同样羽毛的鸟在一起/物以类聚，人以群分。
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Language points
1. Beijing is a huge city with a large population.
That causes a lot of problems, such as too much traffic and noise.
北京是一个人口众多的大城市。那会引起
众多问题，比如交通拥挤，噪音污染等。
(1) population n. 人口,人数
1) 集体名词,无复数形式,在句中作主语时,谓语动词用单数形式.
目前的人口增长很快。
The population today is growing very fast.
2) population 之前若有分数或百分数修饰时,
用于指具体人数作主语时,谓语动词则用复数形式.
这儿大约有五分之三的人口是农民。
About three fifths of the population here are farmers.
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Exercise
一、用英语写出下列数字：
566 five hundred (and) sixty-six
709 seven hundred and nine
983 Nine hundred and eighty-three
98754 ninety-eight thousand seven hundred and fifty-four
二、翻译下列句子。
1. 北京人口是多少？
_______ ____the _________ ____Beijing?
2. 中国的人口大约为13亿。
The _____ ____China _______ _______.
3. 人口太多，空间不够。
There are______ ______people and there is not _______ ______.
4. 增长的人口给一些国家带来众多问题。
An _______ ________ causes_____ ______in some _____.
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Homework
Practice with your classmates to speak and write large numbers.
Write some number cars and put them in your room. Whenever you see, read them quickly.
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