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2019-2020仁爱科普英语九年级上
unit1topic2sectionB导学案
一单词填一填
1英汉互译
1）电影院
2）俄罗斯
3）天然的，天生的
4）更糟的，更差的
5）当地的，本地的
6）社会
7）probably
8）population
9 ）increase
10 ）policy
11 ） government
2按要求写出单词或词组.
根据提示填上适当的单词完成句子。
Paris is the c_________ of France.
I used to go to the c___________ every week, but now I don’t like to see a film.
The large population has become a ___________(社会的) problem.
The number of students __________(增长) by almost 30%.
The weather got ______ (更糟) during the day.
二选择选一选
单项选择。
1. I have been to England _______. How I wish I could go there one day!
A. never; before B. ever; before
C. already; before D. never; ago
2. The population of Shanghai _______ than _______ Ji’nan.
A. is larger; that in
B. are larger; that of
C. is larger; that of
D. are larger; that in
3. —Tom is good at English.
—_______. He often speaks to foreigners.
A. So is he. B. So He is.
C. So was he. D. So he was.
4. In fact, many countries have _____ some effective (有效的）policies to control the population.
A. carry out B. taken out
C. carried out D. thought out
三重点攻一攻。
三、根据汉语提示完成句子。
1. 不到半年，食品的价格增加了10%。
Food prices ______ ______ 10% in less than half year.
2. 你能分辨出苹果和西红柿吗？
Can you ______ ______apples and tomatoes?
3.中国是个拥有13.7亿人口的亚洲古国。
China is an old Asian country ______ ______ ______ ______1.37 billion.
4. 我们必须立刻执行那个政策来控制污染。
We must ______ ______ the policy to ______ the pollution at once.
参考答案及解析
一单词填一填
1英汉互译
cinema
Russia
natural
worse
local
social
可能，大概
人口
增加，增大
政策
政府
2按要求写出单词或词组.
capital
cinema
social
increased
worse
二选择选一选
1. A 由后一句“我多么希望有一太难我能去那呀！”可知之前从来没有去过，故选A。
2. C population为不可数名词，作主语时，谓语动词用单数。表示一个地方的人口用介词of。
3. B So he is.句意为“是这样的。”表示同意某人的观点。
4. C carry out实施；施行。
三重点攻一攻。
1. increased by
2. tell from
3. with a population of
4. carry out; control
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2019-2020仁爱科普英语九上unit1topic2sectionB精美课件
Lead in
学习目标：
1.掌握本课的重点词汇和短语，复习形容词比较级的用法，继续学习数字表达。
2.能听懂高位数字，并做出正确判断。
3. 能通过整合对话内容，提升综合语言运用能力。
重点，难点：能更快更好的听懂和朗读高位数字。
能正确使用数字表达各国的人口现状。
probably adv.很可能，大概 [?pr?b?bli]
cinema n.电影院 [?s?n?m?]
department store 百货公司
nearby adj.附近的，邻近的adv.在附近， ['n??ba?]
population n.人口，人数 [?p?pj??le???n]
billion num．十亿 ['b?lj?n]
increase v.(使)增加，(使)增大n.增加 [?n'kri?s]
population n.人口，人数 [?p?pj??le???n]
billion num．十亿 ['b?lj?n]
increase v.(使)增加，(使)增大n.增加 [?n'kri?s]
New words
numbers in our lives
one hundred and fifty yuan
thousands of people
two point two six (2.26) meters tall
two thousand and eight Olympic Games
Let’s review
1,000,000,000
one billion
1,000,000
one million
1,000
one thousand
3.14
three point one four
100
one hundred
Look,read and learn
Let’s learn
First, try to separate the number in groups of three from right to left.
Then read it in order from billion to million and thousand.
How to read numbers?
1 , 0 0 0 , 0 0 0 , 0 0 0
billion
million
thousand
1 0 0 0 0 0 0 0 0 0
2 Listen and read the numbers, paying special attention to the intonation. Then read the other numbers with your partner.
1 , 0 0 0 , 0 0 0 , 0 0 0
billion
million
thousand
543.7
five hundred and forty-three point seven
1 562
one thousand, five hundred and sixty-two
6 004 001
six million, four thousand and one
7 198 764 502
seven billion, one hundred and ninety-eight million, seven hundred and sixty-four thousand, five hundred and two
973
nine hundred and seventy-three
3 980
three thousand , nine hundred and eighty
98 721
ninety-eight thousand , seven hundred and twenty-one
768 540
seven hundred and sixty-eight thousand , five hundred and forty
1 , 0 0 0 , 0 0 0 , 0 0 0
billion
million
thousand
2 346 780
two million, three hundred and forty-six thousand, seven hundred and eighty
82 346 580
eighty-two million, three hundred and forty-six thousand, five hundred and eighty
405 000 000
four hundred and five million
5 555 555 555
five billion, five hundred and fifty-five million, five hundred and fifty-five thousand, five hundred and fifty-five
1 , 0 0 0 , 0 0 0 , 0 0 0
billon
million
thousand
6800
80
80
80
The population is increasing by 90 million every year.
= The world has a population of 7.2 billion.
What a large population!
1b Listen to 1a and match the information.
1. the world 2. China 3. India 4. the USA
A. 321 million B.7.2 billion C. 1.37 billion D. 1.31 billion
Make similar conversations after the example.
Example:
A.: What’s the population of the world?
B: It’s about 7.2 billion.
1. the world 2. China 3. India 4. the USA
A. 321 million B. 7.2 billion C. 1.37 billion D. 1.31 billion
Drills
1c Read 1a and fill in the blanks.
The world has a population of 7.2 billion and it is increasing by __________ every year. _______ has the largest population. It has already reached __________ and India is _________ with 1.1 billion. The population in developing countries is ______ and is growing ________ than that in developed countries. Luckily, our country has carried out some policies to ______the population.
90 million
China
1.37 billion
second
larger
faster
control
Exercise
1a Listen，look and say.
P11-1a视频
The supermarket is very crowded.
So it is.
So +主语+ be/情态动词/助动词
Lucy dances very well.
She has cleaned the room.
So she does.
So she has.
So it is.
确实如此。
Language points
1 population意为“人口”,“居民”，常用形容词large或small来表示人口的多少。
China has the largest population in the world.
中国拥有世界上最多的人口。
注: 常用句式：What’s the population of...? 意为“……人口是多少？”
拓展：have a pupulation of... 意为“有……人口”
e.g. China has a pupulation of 1.3billion. 中国有13亿人口。
e.g. The population of this city is nearly
300 000. 这个城市的人口将近三十万。
e.g. 80% of the population in China are
farmers. 中国百分之八十的人口是农民。
e.g. The population of China is very large. 中国人口众多。
The population in this area is becoming smaller and
smaller. 这个地区的人口越来越少。
强调人口的具体分布或构成 (作复数）
population
集合名词 某地整体人口的数量(作单数）
通常用large/ big/ small 来修饰。
increase by + 数字 / 倍数 / 百分数 增加了……
e.g. The price of the house has increased
by three times.
increase to +数字 增加到……
e.g. The price of the house has increased
to 500 000.
250
250
250
250
250
250
500
BACK
用法 例句
作主语时,谓语动词常用单数 The world's population is increasing faster and faster.世界人口增长得越来越快。
前面有分数或百分数等修饰时,谓语动词用复数 About seventy percent of the population in China are farmers.中国大约百分之七十的人口是农民。
表示人口"多"或"少",用large/big/small India has a large population.印度人口众多。
表示"某地有多少人口"的常用句型:
某地+has a population of +数词
The population of +某地+be+数词 The USA has a population of 309 million.
The population of the USA is 309 million.
美国有3.09亿人口。
询问某国、某地有多少人口时,不用"How much/How many…?",
而用"How large/What…?" 。如:
How large is the population of your hometown?你们家乡有多少人口?
What is the population of Canada?加拿大的人口有多少?
2 increase v.
(使)增加，（使)增大，增多。
increase by＋倍数或百分数，表示“增加了……倍或百分之……”。
e.g. Compared with last year, our pay has increased by three times.
与去年相比，我们的工资增长了3倍。
increase to＋具体的增长后的数字，表示“增加到了……”。
e.g. Our rice output has increased to 6 million tons this year.
我们的水稻产量今年增长到了600万吨。
3 carry out 实行，进行，执行。
e.g. It won’t be an easy plan to carry out.
那并不是一个容易实施的计划。
e.g. This is a new policy, and they will carry it out next year.
这是一项新政策，他们将在明年实施它。
4 What problems do you think China’s large population has caused?
解析：你觉得中国的庞大的人口数目引起了什么问题？
此句中do you think是插入语，what problems 作cause的宾语,所以do you think之后接陈述句语序。e.g. Who do you know is on duty today? 你知道今天谁值日吗？这里do you know是插入语，who在句中作主语。
A：What a large population ! The world … 7.2 billion.
… 90 million every year.
B：Which country …?
A：China … reach…,
and India …with ….
B：… the USA?
A：321 million.
B：It shows … developing countries … developed countries.
A：…is growing faster …
B：So it is. The population problem … developing countries
A：China … carry out … control the population.
Act out the dialog
Drills
3 Work in groups and discuss the population of the world. The following chart and questions may help you.
1. Which of these 5 countries has the largest/smallest
population? What’s the population of it?
2. What can you tell from the population in developing
countries and in developed countries?
3. What problems does the large population cause?
4. What measures do you think should be taken to solve the
population problem?
China has the largest population. The population of China is 1.37 billion. Canada has the smallest population. The population of Canada is 35 million.
The population in developing countries is larger than that in developed countries.
The large population may cause less living space, more pollution and so on.
Choose the best answer.
1. — ______ is the population of China?
— 13.7billion.
A. How much B. How many
C. What D. How
2. There are ______ students in our school.
A. three thousands B. three thousands of
C. three thousand of D. three thousand
3. — Lucy always helps others.
— ______.
A. So is she B. So she is
C. So does she D. So she does
4. The population of China is ______ than that in other countries.
A. larger B. more
C. fewer D. less
C
D
D
A
Exercise
We learn:
1. Read numbers in English.
2. Talk about population problems.
We can:
1. Some words:
population, billion, increase, reach, luckily, policy,
Russia, measure
2. Some phrases:
increase by, developing countries, developed
countries, carry out, the one-child policy
3. Some sentences:
What a large population!
The world has a population of 6.8 billion.
So it is.
Summary
2. Read the numbers in
Part 2 on P12.
1. Read 1a aloud.
3. Finish Section B in
your workbook.
4. Preview Section C.
Homework
Thank you.
谢谢
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