Unit 2 Loving Our Planet Topic 2 All these problems are very serious.Section B

课件12张PPT。Unit2 What a large population﹗
Topic 2 Section B学习目标：
1.继续学习现在完成时。
2.学习数字的表达法。
3.提高对人口问题的认识。2a Look at the numbers and read them .
543 3,980 98,721
768,540 6,004,001
2,346,780 82,364,580 405,000,000
5,555,555,555 7,764,198,502
thousandmillionbillion自学指导一:ChinaCanadaa.6,575b.8,844,43c.32 milliond.210 millione.1.3 billionf. 326BeijingTorontoDiscuss :
1.What are the problems
in China ?
2.What is the biggest problem?
How can we deal with it?1b.Listen to the tape ,then fill out the table1.3
billion222 million184
million296
million1.1
billionWork in pairs:
A: What’s the population of … ?
B; It’s …自学指导二 :Points:
1.have a population of +数字 有 …人口
2.increase by 净增
3.China has the largest population with 1.3 billion, and India is the second one with 1.1 billion. (合并为一个含比较级的句子)
4.What ‘s the population of …? …有多少人口?
5.developing/developed country 发展中的/发达国家
6.carry out 执行 The population of China is larger than that of India.Exercise :
1.The country has a p_____________ of 1.1 billion.(填词)
2.Our country carried out the one-child p_______.(填词)
3.I can learn English better now ____________his help .(因为)
4.China is a _________country ,while the U.S.A is a __________country. (develop)
5.______,it didn’t rain yesterday . (lucky)
populationpolicybecause ofdevelopingdevelopedLuckilyChoose the best answer.
1.___ is the population of China ? -1.3 billion.
How many B. How much C. What D. How
2.-You seem to like sweets . -__________.
So I do B. So do I C. So am I D. So I am
3.-I like playing football when I was young . -_________.
So he was B. So was he C. So did he D. so he did
4.The population of France is nearly as ______as that of Britain.
fewer B. large C. more D. many
5.-Mary hasn’t paid for the school things ,has she ?
-__________.Her mother will pay for her.
Yes ,she has B. No, she hasn’t
C. Yes ,she did . D. No, she has.
6.66,374,125,368 can be read ______________.
The population of the world :6.5 billion