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What problems does population increase cause in big cities？
Pollution
rubbish
Population increase causes many problems
in big cities. For example,
Module 9
Unit 2
Arnwick was a city with 200,000 people
Could it be your town?
Arnwick
Read the text quickly and answer the question
What has happened to Arnwick?
Population increase in Arnwick
causes many problems.
Read the text again find out what problems Arnwick has
problems and solutions
problems
solutions
traffic
education
medical care
pollution
safety
a lot of traffic
not enough schools
closed down
has to
It takes …to