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【单选题】
Directions: This section is to test your ability to understand short conversations. There are 2 recorded conversations in it. After each conversation, there are3 recorded questions (08-10). Both the conversations and questions will be spoken two times. When you hear a question, you should decide on the correct answer from the 4 choices marked A), B), C) and D). 8. Why can't the woman talk to Mr. Adams?A.
The telephone is out of order.
B.
The line is busy.
C.
He is at a meeting.
D.
He won't be back until next Monday.
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【简答题】学习课件【 第3讲(第3章) 信息表示和逻辑运算 - 精简.pptx 】内容,进行下面的计算 1、完成下面的进制转换: [1101001.1101] 2 =[ (1) ] 10 [345.67] 8 =[ (2) ] 10 [34EF.ED] 16 =[ (3) ] 10 [57.625] 10 =[ (4) ] 2 =[ (5) ] 8 =[ (6) ...