At that moment, with the crowd watching, I was not afraid in the ordinary sense, as I__ if I____ alone（）
A. would have been…had been
B. should be…had been
C. could be…were
D. might have been…were
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That statement, if not properly explained, might__misunderstanding（）
A. get ready for
B. go in for
C. go back on
D. give rise to
货币类别 CNY，全拼是（）
A. Chinese Yuan
B. United States Dollar
C. Euro
D. Great Britain Pound
Among the following options,（）is not the source of the SDH clock
A. External clock source
B. Internal clock source
C. The clock extracted from optical links
D. The clock extracted from network management system
The ZXMP S320 device provides a synchronization scheme based on SSM information. The main function of this scheme is（）
A. Select the effective timing source with the highest synchronization quality
B. Prevent the clock from forming a loop
C. Guarantee the timing synchronization performance of the network
D. All of the above are correct
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