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【单选题】
根据《社会生活环境噪声排放标准》，对于社会生活噪声排放源的测量结果，噪声测量值与背景噪声值相差（）时，噪声测量值不做修正。A.
>5dB
B.
>8dB
C.
>10dB
D.
>15dB
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举一反三
【单选题】The frogs are late in showing up in Vermont because______.
A.
people there don't welcome them
B.
the weather there is not agreeable
C.
they prefer to stay in other places
D.
winter has not gone yet
【简答题】阅读理解。 Dolphins and sharks are showing up in surprisingly shallow water just off the Florida coast. Mullets, crabs, rays and small fish gather by the thousands off an Alabama pier. Birds covered in oil...
【简答题】Dolphins and sharks are showing up in surprisingly shallow water just off the Florida coast. Mullets, crabs, rays and small fish gather by the thousands off an Alabama pirer. Birds covered in oil are ...
【简答题】A．By up a story. B．By constructing a hotel on the hill. C．By showing people around his hotel. D．By inviting a friend to help him.
【简答题】阅读理解。 Dolphins and sharks are showing up in surprisingly shallow water just off the Florida coast. Mullets, crabs, rays and small fish gather by the thousands off an Alabama pier. Birds covered in oil...
【简答题】Showing up with an ________________
could turn out to be an ___________ situation for everyone
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