【判断题】()Apache构建的web平台能够发布多个站点,但是这些站点必须绑定于同一个F地址
【单选题】触点型特殊辅助继电器的线圈由PLC自动驱动,用户只可使用其触点,下面属于触点型特殊辅助继电器的是 。
【单选题】触点型特殊辅助继电器的线圈由PLC自动驱动,用户只可使用其触点,下面不属于触点型特殊辅助继电器的是( )
【单选题】单项选择(每题1分) He often speaks of the trouble he _______ to help the orphan.
【判断题】Apache构建的web平台能够发布多个站点,但是这些站点必须绑定于同一个IP地址。
【单选题】触点型特殊辅助继电器的线圈由PLC自动驱动,用户只可使用其触点,下面属于触点型特殊辅助继电器的是( )。
【单选题】He was often seen _________ with charity work last year.
【单选题】Not only his lesson, but also he often help others with their lessons. [ ]
【单选题】My friend Tom is always ready _____ others. He often teaches______ English.
【简答题】He often (help) people in his work.