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【单选题】
误码率是指二进制码元在数据传输系统中被传错的______。A.
比特数
B.
字节数
C.
概率
D.
速率
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反馈参考答案：
举一反三
【简答题】We have duly received your Sales Contract No． 5630 (9) 50 tons walnutmeat we have booked with you． (10) please find the duplicate with our counter-signature．
【简答题】Have you your requirement when you booked the ticket?( mention )
【单选题】I have reserved a room fOr you at the hotel．
A.
preserved
B.
booked
C.
discovered
D.
accepted
【单选题】—Did you forget about my birthday? —________. I should have booked a table at Michel’s restaurant for you.
A.
What then?
B.
How could I?
C.
For sure.
D.
I’m awfully sorry.
【单选题】I have reserved a room tbr you at the hotel．
A.
preserved
B.
booked
C.
discovered
D.
accepted
【单选题】-Have you any________room? -Sorry，but we’re fully booked. [ ]
A.
hollow
B.
bare
C.
blank
D.
vacant
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