将十进制数37.48转换为八进制数为（），小数点后保留3位。
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Listen to the final part and decide which of the following was the interviewers's question.
A. What new projects are you currently involved in?
B. How can you keep up your performance at such a difficult time for the economy?
C. What are the things a successful international business must do?
D. Where are you planning to expand in the next five years?
在六顶思考帽中,( )代表着创造性。
A. 蓝色帽子
B. 橙色帽子
C. 绿色帽子
D. 黄色帽子
三极管放大区的特征是当基极电流不变时，集电极电流几乎不变，三极管具有（）特性。
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