根据文章判断正误,请在括号里填写T或 F1.( ) Alcohol can add liquid calorie to yourdaily diet.2.( ) "Me time" is a way of combating stress.3.( ) You can make your healthy food asconvenient as unhealthy food.4.( ) If you want to reach your fitness goals,you mustn't indulge yourself.5.( ) The combination of diet and exercise isnot the only way to get the body and level of health that you want.
PLC在用户程序执行阶段完成的主要工作是( )
A. 执行系统程序
B. 执行用户程序
C. 解释用户程序井产生相应结果
PLC的实际输出状态取决于()。
A. 输出锁存器的状态
B. 输出映像寄存器的状态
C. 程序执行阶段的结果
PLC的输出方式通常有()方式、()方式、()方式。