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【简答题】
设计的源泉是 A消费者的需求 B由消费者需求转换而来的通用型的标准 C市场的需求 D设计者的构思
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反馈参考答案：
举一反三
【简答题】要将电流转换为电压,选用()负反馈;要将电压转换为电流,选用()负反馈。
【简答题】在模拟信道中,常用带宽表示信道传输信息的能力,带宽即传输信号的()与()之差。
【单选题】听力原文：M: The University Bookstore opens at nine in the morning. W: Oh dear, I need a textbook for my eight o'clock class today. Q: What does the woman mean? (15)
A.
She won't be able to get the book before class.
B.
The books there are too expensive.
C.
She hopes to get a good deal on some second-hand books.
D.
The textbook she needs isn't in yet.
【简答题】箍筋和弯起钢筋称为 或 。
【简答题】箍筋和弯起钢筋统称为 或 。
【单选题】听力原文：W: Oh, dear! I'm exhausted. I can't walk any further. M: Let's go to the cafe opposite the China bank and have a rest. Q: Where does this conversation most probably take place? (13)
A.
At a bank.
B.
On the street.
C.
At home.
D.
In a cafe.
【简答题】在模拟信道中,常用带宽表示信道传输信息的能力,带宽即传输信号的____________和____________之差。
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