脘腹冷痛，呕吐腹泻，多见于
A．风淫证B．暑淫证C．寒淫证D．湿淫证E．火淫证
参考答案：C
-How did you find the film Harry Potter and the Deathly Hallows?
-____. I can't think too highly of it.[ ]
A．It makes no sense
B．It's really amazing
C．It's awful
D．It's up to you
连接DDC的（）信号实现对AI点的测控，用下位机可以用来观察DDC的测量值。
A、模拟量输入
B、数字量输入
C、模拟量输出
D、数字量输出
