Which is true about stereotypes?
A. They are general statements.
B. Some of them might be partly true.
C. They are far beyond the facts.
D. They apply the same criteria to all the people from a culture.
查看答案
A person’s life experience and a culture’s history also mold an individual’s .
如果移位寄存器74194工作在左移的工作模式，串行数据应该由哪个输入端接入（）
A. DSL
B. DSR
C. D0D1D2D3
D. 以上均可以
实验过程中，下载成功后，实验箱上没有出现十二进制计数或四路彩灯控制实验的现象，有哪些可能原因？
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