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问题
单项选择题
Flash帧频最大能设置到每秒（）帧。
A.12
B.50
C.100
D.120
答案
参考答案：D
选择题
— Would you like to have lunch with me?
— ______.
A. Yes, I'd love to.
B. No, you can go.
C. Yes, I have something to do.
D. You're wrong.
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填空题
一组数据4，7，18，29，1，0，5，2的极差是______．
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