There are many _______ of pollution around us, such as air pollution, light pollution and so on. They are _______ to our health in many ways. Air _______ can cause sore eyes and breathing problems, especially to ______ and old people.
Noise pollution can make people deaf. For example, people may become deaf if they work in _______ conditions for a long time. Loud noises can cause high blood pressure as _______ .
_______ for a long time in strong, changeable light may cause some kinds of illnesses. It makes people _______ terrible and is especially bad for the eyes.
Without pollution, our planet will become _______ and our health will be better. Let’s be greener people, shall _______ ?