题目内容

基本SR锁存器输入信号的约束条件是。

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与非门和或非门构成的基本SR锁存器输入信号有什么区别？

（）“Fish” in Chinese language is pronounced as “Yu”. It sounds like “余”. “年年有余”means togetherness and abundance.

A. 对
B. 错

( ) The origin of the Spring Festival is associated with a monster called “Nian”.

A. 对
B. 错

（）In the early December of lunar calendar, people begin to sweep the house for the new year.

A. 对
B. 错