【简答题】Please revise your essay and submit yoursecond draft online. (Deadline: May, 26th )
【简答题】Please revise
your essay and submit your second draft online. (Deadline: June, 16th )
【单选题】______ the essay a second time, and you will probably have quite different interpretations of the arguments discussed in it.
【判断题】PLC输入接口采用光电耦合电路将PLC与现场设备隔离起来,提高PLC的抗干扰能力.