两个中继器连接的10Base-2网络结构中网络最长布线长度为______。
A. 555 m
B. 740 m
C. 2000 m
D. 1500 m
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George, like all boys,()cars very much.
A. like
B. liking
C. are liking
D. likes
It is of no use() with him.
A. to argue
B. argue
C. arguing
D. to have argued
Which of the following adverbs can NOT be used to complete "Please come () I have something to tell you. "
A. over
B. here
C. close
D. closely
No matter how frequently(), the works of Beethoven always attract large audiences.
A. performing
B. to be performed
C. performed
D. being performed