题目内容

A．ISDNB．OSIC．DDND．DSP

A. ISDN
B. OSI
C. DDN
DSP

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A．atB．inC．after

A. at
B. in
C. after

A．specificB．disseminationC．protocolsD．communication

A. specific
B. dissemination
C. protocols
D. communication

The health centre in the hotel has a new swimming pool.

A. Right
B. Wrong
C. Doesn't say

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A. swallowing
B. gorging
C. licking
D. digesting