外研版八年级上册Module9 Population Unit 3-2教学课件(共30张PPT)

(共30张PPT)
Module 9
Population
Unit 3 Language in use 2
Warming-up
Work in pairs and talk about the problems in your home town.
冠词分为不定冠词 a/an、定冠词 the和零冠词三种，零冠词指的是不用冠词的情况。
Presentation
1. 不定冠词有两个：a和an。a用在读音以辅音音素开头的单词前，
an用在读音以元音音素开头的单词前，泛指“一个”。
e.g. a book, an apple
不定冠词通常用于第一次出现的可数名词单数前。
e.g. There is a bag in the room. The bag is heavy.
2. 定冠词the用来特指某人或某物，也用于第二次出现的名词前。
e.g. I have a nice cat. The cat is white.
Grammar
3. 零冠词
1) 在三餐、学科、语言、球类运动、棋类游戏和娱乐运动的名称前，不加冠词。
e.g. have breakfast / math / chemistry / basketball / chess
2) 在季节、月份、节日、假日、日期、星期等表示时间的名词之前，不加冠词。
e.g. We go to school from Monday to Friday.
3) 在表示人名，头衔，职务，称号前，在地名，国名，城市，街道，标题类和字首为Mount的山及大多数湖泊的专有名词前不用冠词。
e.g. Mount Blanc (白朗峰) Lake Baikal (贝加尔湖)
Presentation
4) 泛指、类指的复数名词，抽象名词、物质名词表示一般概念时常不加冠词。
e.g. Books are my best friends.
5) 前面已有物主代词、指示代词、不定代词、数量词等时不再用冠词。
如this, that, these, those, some, any, no, each, every，another, other, most, last, next, a lot of, a kind of等。
6) 固定搭配
e.g. by bus, by plane, got to school, go to bed, in red
Presentation
1) If ______ weather is fine tomorrow, we will go to the park.
2) I prefer playing ______ piano to playing ______ basketball.
3) At ______ age of five, he read a lot of books.
4) Tom and Lucy are of ______ same age.
5) Tomorrow is ______ Teachers’ Day and we’ll make ______ card for our English teacher.
the
/
the
the
the
/
a
Practice
Grammar exercises
6) ______ harder we study, ______ more we learn.
7) The bus is running about seventy miles _____ hour.
8) Mary is interested in ______ science.
9) Some people don’t like to talk at ______ table.
10) Last night I went to ______ bed very late.
The
the
/
an
/
/
Practice
countryside pollution population space traffic
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.
population
Practice
Complete the passage with the words in the box.
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.
countryside
space
pollution
traffic
Practice
all over the world
close down
in the future
not … any more
it takes …
全世界
关闭；倒闭
将来
不再
花费
Practice
Complete the sentences with the expressions in the box.
all over the world closed down in the future it takes not … any more
1) Growing population is a problem .
2) The population of China will grow more slowly .
all over the world
in the future
Practice
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 is
a problem .
closed down
it takes
not
any more
Practice
a) It is cheaper to share a car than to have a personal car.
b) People in a car club do not often take buses, trains or the underground.
c) There are no car in the US.
d) Joining car club is good for you and for the city.
√
Practice
Listen and choose the best summary.
1. Joining a car club is cheaper / more expensive than having a personal car.
2. People in car clubs pay for / don’t pay for a car when they drive.
3. People in car clubs sometimes / never take a bus or ride a bike.
4. People in car clubs probably are / are not healthier.
Practice
Listen again and choose the correct answer.
(1) Do you like to own a car Why or why not
(2) Do you think car clubs would be popular in
China Why/why not
Practice
Work in pairs and discuss this questions.
Around the world
World population and water
With more and more people in the world, more and more water is used. In fact, water use is growing more than twice as fast as the world’s population! As a result, getting good, clean water is becoming a problem in many places.
Practice
A lot of water is polluted and in many areas people have to walk a long way to get clean water for daily use. More than 3.4 million people die each year from drinking and washing with polluted water. So let’s do everything we can to stop the pollution and save water.
Practice
Work in groups. Talk about what we should do to protect our water recourses in daily life.
Practice
Group work
1. With more and more people in the world, more and more water is used.
随着世界上的人越来越多，越来越多的水被使用。
more and more 意为“越来越多的”。
“比较级 + and + 比较级”表示“越来越……”。
“the + 比较级, the + 比较级”表示“越……，就越……”。
e.g. Learning becomes more and more difficult as
we get older.
随着年龄增长，学习变得越来越难。
Practice
Language points
2. As a result, getting good, clean water is becoming a problem in many places.
因此，在许多地方获取优质而干净的水正在成为一个问题。
as a result意为“结果，因此”。
e.g. He got up late today. As a result, he missed the
first bus.
他今天起晚了，结果错过了头班车。
Practice
3. More than 3.4 million people die each year from drinking and washing with polluted water.
每年有超过340万人死于喝污染了的水和用污染了的水洗刷。
die from意为“死于”。
e.g. The old man died from a car accident.
那位老人死于一场事故。
Practice
辨析：die from与die of
die from表示“由于……而死”，主要指外伤、事故等外因或不明原因造成的死亡。
die of表示“因……而死”，主要指由饥饿、害怕、羞愧等内因造成的死亡。
e.g. In some places, people die from traffic accidents.
在有些地方，人们死于交通事故。
She died of hunger.
她死于饥饿。
Practice
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.
Production
Work in pairs. 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.
Production
Make your graph.
Production
Write a paragraph to describe your graph.
Present your graph to the class.
Production
Fill in the banks with the correct form of the words and expression.
billion birth fifth huge increase make notes of problem report
1. Congratulations on the ________of your daughter!
2. Her house is _________.I like it very much.
3. Food prices __________ by ten percent last year.
4. One _______is the same as twenty percent.
birth
huge
increased
fifth
Production
5. Students should _________________their errors and work on them.
6. Many European countries now have economic ___________.
7. According to recent news _________,two of the victims are Americans.
8. Airlines have lost _________of dollars because of the foggy weather.
make notes of
problems
reports
billions
Summary
1. more and more 越来越……
2. as a result 结果，因此
3. 辨析：die from / die of
Homework
1. Review the words and expressions and grammar
in this Module.
2. Preview the Unit 1, Module 10.
Goodbye!