Part Two Writing
After learning various pollution，please write a short paragraph according to what you have learned.
Topic:
Air Pollution
Topic sentence:
Air pollution is more and more serious in the cities，which have threaten people's life.
Three things to do:
*the present situation of air pollution
*the threat that air pollution caused to people
*the measures we should take
Concluding sentence:
We must realize the seriousness of air pollution，and try our best to stop it.
Other topics:
1.Noise Pollution
2.Light Pollution
3.Soil Pollution
Useful expressions:
...pollution occurs when...
...is becoming more and more serious and has threaten our lives.
It results from...
This has impact on...
...lead to/result in...
We should realize the seriousness of...
We must take measures to...