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【单选题】Python中,集合支持数学意义上的交集、并集、差集、补集等运算。假设现有集合S和集合T。 下列运算中,属于集合的补集运算的是( )
A.
S&T
B.
S|T
C.
S-T
D.
S^T
【单选题】Volumes have been written about technology’s ability to connect people. But burying one’s nose in a book has always been somewhat isolating—with its unspoken assertion that the reader does not want to...
A.
Because they imply that they don’t want to be disturbed.
B.
Because they like to bury their faces in the books.
C.
Because they are lonely people in nature.
D.
Because they make contact with others.
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【单选题】Python中,集合支持数学意义上的交集、并集、差集、补集等运算。假设现有集合S和集合T。 下列运算中,属于集合的补集运算的是( )
A.
S&T
B.
S|T
C.
S-T
D.
S^T
【单选题】Volumes have been written about technology’s ability to connect people. But burying one’s nose in a book has always been somewhat isolating—with its unspoken assertion that the reader does not want to...
A.
Because they imply that they don’t want to be disturbed.
B.
Because they like to bury their faces in the books.
C.
Because they are lonely people in nature.
D.
Because they make contact with others.
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