新人教版初三英语下学期lesson50
Lesson 50
The World’s Population
1Standing Room Only
Standing Room OnlyStanding Room Only
Hardly room for anyone
Only enough room to stand
23The diagram of the increa of the
The diagram of the increa of the
population in the past 2000 years
population in the past 2000 years
What can we learn from this diagram
4The new-born babies Time 259 a minute15,540 259x60 an hour372,96015,5408x24 a day372,960x365 a year
How many more mouths do people have to feed in one year?
What is 372,960 multiplied by 365It
What is 372,960 multiplied by 365It
is_____________.
is__1 _3 _6 _,_ 1_ 3_ 0_ ,4 _0 _0 __.
136,130,400
5What can we learn from this diagram?
6
Water and land
Forest
Coal
Oil
7Poverty
Hunger
冬虫夏草的功用8Pollution
9Limited living room and the housing in bad condition More unemployment and more
白菊花的功效
challenge
Crowded
10Whatshall
Whatshall
China’s Family Plan
China’s Family Plan
we do?
we do?
China’s O n e - c h il dF a m i l yP o l i c y has slowed down the
increa of the population.
11World Population Day
World Population Day
July 11
July 11
12DiscussionChina has the largest
population in the world?Do you think it’s good or badWhy do you think so?
红色叉形灯13Population Trend in China
1China's population
growth rate has slowed in the
past five years, although its
population is still increasing14Population Trend in China
2. Family planning in China
started in the early 1970s. It
果林里的小雪enjoys the understanding and
support of the population
and has got good results15Population Trend in China
3. China would have 260 million
more than the prent population
if the family planning program
had not been ud. As a result, life
is much happier. The family
planning policy is unshakeable." 16New babies birth rate
Time New born babies
One year
135,050,000
One day
370,000
15,540中小企业倒闭
One hour
One minute
259
Multipl
17
y …by…The
欢迎词导游
increasing
population
all over the
world
有系统的小说
18The world’s population
19The Increasing of Population 5.In 1970, the __________was more than 3.6 billion.
6. In 1990, it reached over 5 _____.
st
7.At the start of the 21 century, it
_________six billion.
8. ___the year of 2010, it may be ________.
9.There _____be __________ room
only on the earth in 600 years.
20The Increasing of Population
1.The greatest ______may be the
______________today.
2. 2000 years ago , there were
only________people on the earth.
3.Four hundred years ago, the
___________ was over 500 million.
瓜蒌皮th
4.______________ of 20 century,
the world’s population was abou t
________billion.
21Read the passage on page 62 and answer the questions :
1.How many babies are born in one hourOver 15,540.
2. How many new babies do people have to feed
in one dayOver 370,0003. What do you think is the greatest challenge
