Man has been polluting the earth from th...on to another place.

The air in this area got A: to pollute B: pollute C: polluting D: polluted

Ways must be found to prevent the poisonous gases ________ polluting the air. A: in B: on C: from D: at

We must find ways to prevent the poisonous gases ________ polluting the air. A: in B: with C: from D: of

Many lakes and rivers have been ________by industrial waste. A: polluting B: ruined C: crashed D: polluted

Many lakes and rivers have been___by industrial waste. A: polluted B: polluting C: pollute D: to pollute

中国大学MOOC: Concrete is a polluting material, so all green building materials can be used to replace it.

Concrete is a polluting material, so all green building materials can be used to replace it. A: 正确 B: 错误

The Chinese government has ___________________smog by closing heavily polluting factories.: declare war with|declared war|declared war on|declared war to

Electric vehicles will save a lot of air ______ because there will be no emission of CO2 in the air. A: pollute B: polluted C: pollution D: polluting