The first paragraph tries to tell us how to control noise pollution by ______. A: taking measures to reduce human exposure to noise B: using or replacing with quieter products C: appealing to Government to set up laws D: people's serf consciousness
The first paragraph tries to tell us how to control noise pollution by ______. A: taking measures to reduce human exposure to noise B: using or replacing with quieter products C: appealing to Government to set up laws D: people's serf consciousness
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