SCADA点的类型有()和()两种。
参考答案:模拟量;状态量
As a good student, he’s seldom late for school in the morning, ___ he?
A.was
B.wasn’t
C.is
D.isn't
对前来门诊的患者,护士应首先进行
A.预检分诊B.健康教育C.心理安慰D.卫生指导E.消毒隔离