Unit1__Topic2__SectionB__精品课件
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1 ,1000000,0000000, 0 0 0
billion million thousand
1,000,000,000
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
= The world has a population of 6.8 billion.
80 80 80
6800
The population is increasing by 80 million every year.
What a large population!
1b Listen to 1a and match the information.
two point two six (2.26) meters tall
3.14 three point one four
100 one hundred 1,000 one thousand
1,000,000 one million
1,000,000,000 one billion
2 Listen and read the numbers, paying special attention to the intonation. Then read the other numbers with your partner.
A. three thousands B. three thousands of
C. three thousand of D. three thousand D 3. — Jenny always helps otheSo is she
B. So she is
C. So does she
3. What problems does the large population cause? The large population may cause less living space, more pollution and so on.
4. What measures do you think should be taken to control the population?
1. the world 2. China
3. India
4. the USA
A. 309 million B. 6.8 billion C. 1.3 billion D. 1.1 billion
1c Read 1a and fill in the blanks.
The world has a population of 6.8 billion and it is increasing by _8_0__m_i_ll_io_n__ every year. _C_h__in_a__ has the largest population. It has already reached _1_._3_b_i_ll_io_n__ and India is _s_e_c_o__n_d__ with 1.1 billion. The population in developing countries is _l_a_rg_e_r_ and is growing _f_a_s_te_r___ than that in developed countries. Luckily, our country has carried out the __o_n_e_-_c_h_il_d__ policy to control the population.
So it is. 确实如此。
SSooSssohheietdihsoa.ess..
TLShuheceyshudapasenrccmlesarnvkeredyt is vetrhyewcrerololo.wmd.ed.
So +主语+ be/情态动词/助动词
A：What a large population ! The world … 6.8 billion. … 80 million every year.
1. the world 2. China
3. India
4. the USA
A. 309 million B. 6.8 billion C. 1.3 billion D. 1.1 billion
Make similar conversations after the example.
Example: A.: What’s the population of the world? B: It’s about 6.8 billion.
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? China has the largest population. The population of China is 1.3 billion. Canada has the smallest population. The population of Canada is 34 million.
1,000,000,000
billon
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
D. So she does
A 4. The population of China is ______ than that of Japan.
A. larger
B. more
C. fewer
D. less
1. Some words: population, billion, increase, reach, luckily, policy, Russia, measure
1,000,000,000
billion million thousand
973 nine hundred and seventy-three 3 980 three thousand , nine hundred and eighty 98 721 ninety-eight thousand , seven hundred and twentyone 768 540 seven hundred and sixty-eight thousand , five hundred and forty
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.
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
How to read numbers?
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.
2. What can you tell from the population in developing countries and in developed countries? The population in developing countries is larger than that in developed countries.
1. Read numbers in English. 2. Talk about population problems.
Homework
B：Which country …? A：China … reach…,
and India …with …. B：… the USA? A：309 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.
Choose the best answer.
C 1. — ______ is the population of Russia?
— 143 million.
A. How much
B. How many
C. What
D. How
D 2. There are ______ students in our school.
Unit 1 Topic 2 The population in developing countries
is growing faster.
Section B
one hundred and fifty yuan
two thousand and eight Olympic Games
thousands of people
billion million thousand
1,000,000,000
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
= The world has a population of 6.8 billion.
80 80 80
6800
The population is increasing by 80 million every year.
What a large population!
1b Listen to 1a and match the information.
two point two six (2.26) meters tall
3.14 three point one four
100 one hundred 1,000 one thousand
1,000,000 one million
1,000,000,000 one billion
2 Listen and read the numbers, paying special attention to the intonation. Then read the other numbers with your partner.
A. three thousands B. three thousands of
C. three thousand of D. three thousand D 3. — Jenny always helps otheSo is she
B. So she is
C. So does she
3. What problems does the large population cause? The large population may cause less living space, more pollution and so on.
4. What measures do you think should be taken to control the population?
1. the world 2. China
3. India
4. the USA
A. 309 million B. 6.8 billion C. 1.3 billion D. 1.1 billion
1c Read 1a and fill in the blanks.
The world has a population of 6.8 billion and it is increasing by _8_0__m_i_ll_io_n__ every year. _C_h__in_a__ has the largest population. It has already reached _1_._3_b_i_ll_io_n__ and India is _s_e_c_o__n_d__ with 1.1 billion. The population in developing countries is _l_a_rg_e_r_ and is growing _f_a_s_te_r___ than that in developed countries. Luckily, our country has carried out the __o_n_e_-_c_h_il_d__ policy to control the population.
So it is. 确实如此。
SSooSssohheietdihsoa.ess..
TLShuheceyshudapasenrccmlesarnvkeredyt is vetrhyewcrerololo.wmd.ed.
So +主语+ be/情态动词/助动词
A：What a large population ! The world … 6.8 billion. … 80 million every year.
1. the world 2. China
3. India
4. the USA
A. 309 million B. 6.8 billion C. 1.3 billion D. 1.1 billion
Make similar conversations after the example.
Example: A.: What’s the population of the world? B: It’s about 6.8 billion.
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? China has the largest population. The population of China is 1.3 billion. Canada has the smallest population. The population of Canada is 34 million.
1,000,000,000
billon
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
D. So she does
A 4. The population of China is ______ than that of Japan.
A. larger
B. more
C. fewer
D. less
1. Some words: population, billion, increase, reach, luckily, policy, Russia, measure
1,000,000,000
billion million thousand
973 nine hundred and seventy-three 3 980 three thousand , nine hundred and eighty 98 721 ninety-eight thousand , seven hundred and twentyone 768 540 seven hundred and sixty-eight thousand , five hundred and forty
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.
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
How to read numbers?
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.
2. What can you tell from the population in developing countries and in developed countries? The population in developing countries is larger than that in developed countries.
1. Read numbers in English. 2. Talk about population problems.
Homework
B：Which country …? A：China … reach…,
and India …with …. B：… the USA? A：309 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.
Choose the best answer.
C 1. — ______ is the population of Russia?
— 143 million.
A. How much
B. How many
C. What
D. How
D 2. There are ______ students in our school.
Unit 1 Topic 2 The population in developing countries
is growing faster.
Section B
one hundred and fifty yuan
two thousand and eight Olympic Games
thousands of people