【外研版】八上 Module9 Unit3 Language in use 模块阅读能力提升 习题课件

(共17张PPT)
、阅读理解。
There are more than 7 billion people on the
earth now. The world's population is a big problem
because it will cause lots of
problems In
future. More people will need more food and will
need more room to live in as well
The worlds population growth rate rose from
about 1. 5 percent per year during 1950-1951 to
over
2 percent in the early 1960s. Although the
growth rate thereafter started to fa
1 1 due to people
getting married later as well as the development of
technology, the rate is on the rise again now
The important thing is not how large the
population of the world is, but is how fast the rate
increase. The worlds population increased from 3
billion in 195 9 to6 billion by 1999. The world's
population will grow from 6 billion in 1999 to 9
billion by 2050. This great growth of the
population will create a big problem by the year
2100 there will be over ten billi
on people in the
world then
a )1. The population of the world is more than
now and may be over
by2100
a.7 billion 1o billion
B. 7 billion: 10 million
6 billion lo billie
on
d.6 billion 9 million