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Review
Review
A：What’s the population of…？
B：It’s…
(Ask and answer in pairs)
4 billion÷ 7.2 billion≈1／2
(half)
50 percent (50%)
Almost half of the people in the world live in Asia.
Before-reading
[p?'sent]
1.37 billion÷7.2 billion≈1 ／ 5
20 percent (20%)
About one fifth of the people in the world
live in China.
one
fifth
Before-reading
人口:21707000
人口:80293000
The population in Beijing is a quarter of that in Jiangsu .
one
fourth
a quarter
Before-reading
25 percent (25%)
21million÷ 80 million ≈ 1 ／ 4
(49+47+48) ÷ 390 ≈ 3 ／ 8
three