数字电平控制口输入输出（）DC数字电平。
A.0~5V
B.0~10V
C.5~10V
D.5~15V
参考答案：A
——What should I wear to attend his wedding party?
——Dress ________ you like.
A．What
B．however
C．whatever
D．how
人格具有绝对的稳定性。
