If you rake over something, you want to keep talking about it.
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If you reciprocate, you respond to someone by doing the same thing.
A. 对
B. 错
The rules of etiquette are legal requirements.
A. 对
B. 错
An expletive is an expression of thanks.
A. 对
B. 错
下列不是RISC指令系统特点的是
A. 大量使用寄存器
B. 采用固定长度指令格式
C. 使用多周期指令
D. 寻址方式少
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