• 2021-04-14
    Generally, there are two kinds of light pollution: ecological pollution and astronomical light pollution. 不属于 common knowledge.
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    • 0

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

    • 1

      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

    • 2

      61.In order to protect our planet, _____. A: all kinds of pollution should be reduced B: we should reduce all kinds of pollution C: the environment should be protected first D: it’s important to protect our environment

    • 3

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

    • 4

      It is generally believed that the (increase) __________ air pollution has caused serious problems such as global warming.