Module 9 Population Unit 2课件(共46张PPT)外研版英语八年级上册

(共46张PPT)
Module 9
population ②
目录
01.words
02.grammar
03. text
[fl t]
n. 套房，公寓
People used to think the earth is flat.
过去常常
做形容词，意为“平坦的，平的”
New words
[ r b ]
n. 垃圾，废弃物
The street were littered with rubbish.
rubbish bin 垃圾箱
rubbish bag 垃圾袋
不可数名词
New words
[ kwa t]
adj.寂静的，安静的
He lives in a quiet village near the sea.
keep /be quiet 保持安静
他住在海边的一个僻静的村子里。
adv. quietly 安静地
New words
New words
[ l kl]
adj. 当地的，本地的
On the way to the mountain village, we found the local houses different from ours.
可数名词，意为“当地人，本地人”
[p lu n]
n. 污染
Prevent nose pollution, and we live in a quiet environment.
pollute v. 污染
water pollution
air pollution
noise pollution
New words
水污染
空气污染
噪音污染
New words
[ p bl k]
adj. 公共的
Pay attention to your behavior in public places.
in public 公开地，当众
名词：公众，大众
[ s v s]
n. 公共服务
The government tries to improve the public services.
serve v. （给某人）提供，服务
New words
[s lv]
v. 解决问题
He tried many ways to solve the problem. But none of them worked.
常与problem连用，名词：solution“解决方法”
New words
flat
rubbish
quiet
local
pupil
pollution
n. 套房，公寓
n. 垃圾
adj. 安静的
adj. 当地的
n. 学生
n. 污染
Words and expressions
public
service
solve
adj. 公共的
n. 公共服务
v. 解决
中考词汇
Grammar
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
1、1-10的基数词
one 1
two 2
three 3
four 4
five 5
six 6
seven 7
eight 8
nine 9
ten 10
2、20—90等十位数
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
多位基数词读法
457
890
608
389
three hundred and eighty-nine
four hundred and fifty-seven
eight hundred and ninety
six hundred and eight
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
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
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 20 000 twenty thousand ·····
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 1 000 000 a (one) million
2 000 000 two million
········以此类推 ······
8 000 000 eight million
大数的表达与读法
1506112375
thousand
million
billion
1 , 506 , 112 , 375
1 ,
billion
506 ,
five hundred and six million
one billion
112 ,
one hundred and twelve thousand
506 ,
three hundred and seventy-five
thousand
million
billion
million
thousand
1,506,112,375
练一练
345
1001
18,657,421
three hundred and forty-five
one thousand and one
eighteen million, six hundred and fifty-seven thousand, four hundred and twenty-one
The project lasted 5 years and cost 2 billion dollars.
2. The Chinese have been making paper for two thousand years.
3. One thousand pounds is a lot of money.
表示确定数量时
用基数词+ hundred，thousand,million，billion
确切数目与不确切数目的表达：
hundred, thousand, million, billion等前面有基数词，表示确切数目时，用单数，后直接接复数名词；如：
three hundred books
one hundred people
five thousand students
seven million starts
表示不确切数目时，这类词后加-s且与of连用。如：
hundreds of people
thousands of students
millions of birds
billions of lions
注意：这类短语中，名词前如有定冠词、指示代词或形容词性物主代词时，可加of, 但表示的是范围。
如：two hundred of the workers 工人中的二百（人）
Text
Read and find the phrases
居住在
邻近
搬到
成为..的一部分
关闭，关停
必须做某事
7. 很明显…
8. 事实上
9. 全世界
live in
close to
move to
become part of
close down
have to do
it is clear that
in fact
all over the world
Could it be your town
Jo is fifteen and lives in Parkville. When Jo’s grandparents first came to Parkville，it was a quiet village. They had a small house，close to fields and hills.
Parkville was near Arnwick, a city with 200，000 people. People from Parkville moved to Arnwick to find jobs，and they needed places to live. However，it was expensive to live in the city centre，so the government built flats outside the centre. Soon，Parkville became part of Arnwick, and Arnwick became a city with over a million people. Jo’s family lives in one of those flats. It is very crowded, and rubbish is also a problem.
靠近，接近=next to=near
搬去某地
成为…的一部分
It +be+ adj. to do sth 做某事是…
one of+名词复数，…之一
帕克维尔
阿恩威克
The small local school in Parkville closed down five years ago，so Jo now has to go to a school in Arnwick with 2，000 pupils .It takes an hour to get there by bus. There is a lot of traffic and pollution.
It is clear that Arnwick needs more schools，buses and hospitals. It needs fresh air，clean water，and better public services. It also needs more police to protect its people. But to do all these things, it needs more money.
However, can money help solve all these problems Do we need more big cities like this In fact, this is just a story. But it describes what is happening all over the world. Could it be your town some day？
关闭，关停
have to do sth 必须做某事…
It takes (sb.) 时间 to do sth.
不定式表示目的“为了”
solve the problems解决问题
全世界 around the world
That supermarket had to ________ because of the H7N9 bird flu.
A．close up　　　B．close down C．turn off D．close to
close down关闭。
B
用所给词的适当形式填空。
Air ________ (pollute) is becoming more and more serious in this city.
句意：“这个城市的空气污染正变得越来越严重。”空气污染为air pollution。
pollution　
It’s not polite to spit (吐痰) ________．
A．in danger 　　 B．in public C．in need 　　　D．in time
句意判断法，“当众吐痰是没有礼貌的”，故选 B。
B
composition
世界人口增长是一个很大的社会问题。 假设你们班在英语口语课上就此问题进行了分组讨论，请根据下面的思维导图，把你们组讨论的结果汇报给Mr Black，并与大家分享。80词左右
人口多带来的问题
住房紧张
交通拥挤
……
写作提纲
思路点拨:
时态：________________
人称 _________________
一般现在时
第一/三人称
点名主题
问题危害
解决措施
…is one of the most serious problems…
…less and less living space… make the traffic very heavy…don’t have enough medicine or food…
We must think of some ways to …
参考短语
增长的人口 increasing population
由于because of
越来越少less and less
考虑think of
控制人口增长control the increasing population
人口增长是世界上最严重的问题之一。
The increasing population is one of the most serious problems in the world.
第一段
由于这个原因，在很多国家人口居住空间越来越少。
Because of this reason, people have less and less living space in many countries.
第二段
在大多数城市里，越来越多的人和交通工具使交通很繁忙。
More people and more vehicles make the traffic very heavy in most cities.
甚至停车也很困难。
Even parking cars is difficult.
第二段
在世界上很多地方人们没有足够的医药或食物。
In many places of the world, people don’t have enough medicine or food.
一些人没有足够的水。
Some people don’t have enough water.
第二段
我们必须考虑一些方式去控制人口增长。
We must think of some ways to control the increasing population
第三段
经典范文
The increasing population is one of the most serious problems in the world.
Because of this reason, people have less and less living space in many countries. More people and more vehicles make the traffic very heavy in most cities. Even parking cars is difficult. In many places of the world, people don't have enough medicine or food. Some people don't have enough water.
We must think of some ways to control the increasing population.
自主练习
单词4+1遍，短语一遍并背诵
练习册
中考单词