Which of the following is NOT the writer'spurpose of knitting?
A.To save money.
B.To make full use of her leisure time.
C.To enrich her life.
D.To show her love for the family.
第5题
PCM30/32系统中,传送帧同步码的时隙为()。
A.TS0
B.TS15
C.TS16
D.TS31
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