若无向图有K条边,则相应的邻接表中就有()个表结点。注:表结点即边结点
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若有向图有K条边,则相应的邻接表中就有()个表结点。注:表结点即边结点
A. K-1
B. K
C. 2K
D. K2
-Whose pencils are there?-They are ____.
A. my
B. me
C. mine
D. our
It's a dog. I don't know ____ name.
A. its'
B. its
C. it
D. it's
I like ___ new dress.
A. she
B. her
C. hers
D. his