There are many kinds of pollution around us. They are bad for our h【小题1】 in many ways.

Burning gas, oil and c【小题2】 creates air pollution. People may have t【小题3】 breathing in spring in the north of China. People throw away mountains of rubbish everywhere, which makes our environment very dirty. Noise pollution sometimes can make people deaf (聋的), so some people may lose their hearing. Working for a long time in strong, changeable light may cause some kinds of i【小题4】. It may make people feel terrible and is especially bad for the eyes.