肝在窍为
A.舌B.目C.口D.鼻E.耳
参考答案:B
电压串联负反馈能使放大器的()
A、输出电压稳定,输入电阻加大
B、输出电压稳定,输入电阻减小
C、输出电流稳定,输入电阻加大
D、输出电流稳定,输入电阻减小
I suggested to my father that we ____________ to Dalian for a holiday this summer, but the expression on his face suggested that he ___________ to it.
A.go; shouldn't agree
B.would go; shouldn't agree
C.go; didn't agree
D.would go; didn't agree