【单选题】运算放大器接成图示电路后,其输入输出方式为( )
【判断题】CoolEdit制成的音频文件可以直接压缩为MP3格式。
【单选题】运算放大器接成图示电路后,其输入输出方式为 ( ) 。
【单选题】运算放大器接成图示电路后,其输入输出方式为()
【单选题】When binding price ceilings are imposed in a market
A.
price no longer serves as a rationing device.
B.
the market will be cleared of any shortages or surpluses that existed previously.
C.
buyers and sellers both benefit equally.
D.
the government is attempting to improve market efficiency.