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【简答题】
现有两个数字通信系统,在125ms时间内分别传输了19440个十六进制码元和二进制码元,求这两个系统的传信率和传码率。
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举一反三
【单选题】What _____ do next? [ ]
A.
you think should we
B.
you think we should
C.
do you think we should
D.
do you think should we
【简答题】We regret to inform. you that we no longer manufacture the product you are (interest) ______in.
【简答题】We thank you for this order,and hope we may have the pleasure of supplying you again inthenearfuture.
【单选题】Good heavens! There you are! We _____ anxious about you, we _____ you back much earlier all through the night. [ ]
A.
are; expect
B.
were; had expected
C.
will be; are expecting
D.
have been; were expecting
【单选题】Good heavens! There you are! We _____ anxious about you, and we _____ you back throughout the night.
A.
are； expect
B.
were； had expected
C.
have been；were expecting
D.
are； were expecting
【简答题】In order to acquaint you ______ the textiles we handle, we take pleasure ______ sending you by air our latest catalogue for your perusal.
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【简答题】We regret to inform. you that we no longer manufacture the product you are (interest) ______in.
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