酸雨是属于什么污染
A: water pollution
B: air pollution
C: soil pollution
D: noise pollution
A: water pollution
B: air pollution
C: soil pollution
D: noise pollution
举一反三
- 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
- Pollution refers primarily to the of air, water, and land by wastes._
- The most important environmental risk factor in low- and middle-income countries is?() A: None of the above B: Unsafe water C: Outdoor air pollution D: Indoor air pollution
- Which of the following titles is a proper one? A: What should we do to prevent air pollution? B: An Exploration into the Measures to Prevent Air Pollution C: How does air pollution happen? D: Computer Retrieval
- Pollution in the air reduced the _________ near the airport.