在OSI的不同层次中,所传输的数据形式是不同的,物理层所传的数据单位是____、数据链路层的数据单位是____、网络层的数据单位是____、运输层传输的数据单位是____。
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She sat down beside me and ____________ about her working day.
A. consoled
B. groaned
C. imprisoned
D. clustered
Do you want to ___________ your friend who is broken-hearted?
A. saturate
B. degrade
C. console
D. groan
I am sorry your life is so _________________; I only wish I could help in some way.
A. dense
B. finite
C. trivial
D. burdensome