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【单选题】
要显示模块math中的所有函数,使用的命令是:
A.
import math
B.
dir(math)
C.
help(math)
D.
list(math)
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【简答题】沥青路面的结构主要采用的结构形式为:热拌普通沥青混合料路面、( )、改性沥青SMA沥青混合料路面。
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