White pollution refer to plastic pollution.

Generally, there are two kinds of light pollution: ecological pollution and astronomical light pollution. 不属于 common knowledge.

中国大学MOOC: The main types of water pollution are two kinds, which are pollution.

Noise pollution is the worst kind of pollution. A: Right. B: Wrong. C: Doesn’t say.

Noise pollution generally receives less attention than ______ air pollution. A: does B: it does C: receives D: it does over

一方面汽车有用，可另一方面也造成污染(pollution)。 (on the one hand... on the other hand) , cars are useful, but on the other (hand), they cause pollution.

What is the first thing that people ought to do in face of pollution, according to the author A: To see the sky outside in the morning. B: To walk outside to see the colored sun. C: To take care of, and prevent air pollution now. D: To analyse the different layers of air pollution.

酸雨是属于什么污染 A: water pollution B: air pollution C: soil pollution D: noise pollution

If your speech is on environmental problems, what kind of subtopic might be relatively new and novel?( ) A: air pollution B: visual pollution C: noise pollution D: pharmaceutical pollution E: thermal pollution F: water pollution

Make the choice: A: It is the government's responsibility to fight against environment pollution. B: It is the industry's responsibility to fight against environment pollution. C: Every individual, but not the government or industry, has the responsiblilty to fight against environmental pollution. D: Every individual, as well as the government or industry, has the responsiblilty to fight against environmental pollution.