【单选题】Networks use microwave radio to link the computers when ______.
A.
they are close together
B.
they are far away from each other
C.
coaxial cables are used
【简答题】Task 3 Complete the following sentence with the words or phrases given below. Change the form if necessary. 1. I think that salesman is very rude and foolish as he asks us to accept what he offers ___...
【单选题】北斗七星之间相互位置及形状的变化是因为( )
【单选题】A ( ) protocol is used to move a datagram over an individual link.
【简答题】With a link over the Channel, you could buy your fish and chips in England and be able to eat them in France while they were still warm ! ( Passage 3 )
【判断题】It’s no use to cry over split milk. ()
【简答题】I think that salesman is very rude and foolish as he asks us to accept what he offers _____________. 2. OK! I’ll send you our latest catalog and _____________ in two days. 3. _____________ used to mea...
【简答题】Paper money ______ (use)for over a thousand years.