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问题
解答题
字母式a×6省略乘号后表示为a6.______.
答案
根据题干分析可得:字母式a×6省略乘号后表示为6a,原题说法错误.
故答案为:×.
选择题
— You hate Lee, don't you?
— _____ I just think he's a bit annoying, that's all.
A. Certainly.
B. Not exactly.
C. Of course.
D. Why not?
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填空题
信号分离器的作用是实现音频信号与()的分离。
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