下列哪些项属于CPU224XPCN型PLC本机上的I/O点()
A.I1.1
B.Q1.1
C.I1.2
D.Q1.2
E.I1.3、Q1.3
参考答案:A, B, C
You should read the ____________ in the car repair manual (手册) carefully before you start to work on it.
A.instruction
B.introductions
C.instructions
D.explanations
胸外心脏按压抢救心脏骤停,下列哪项表现最常提示治疗有效()
A.上肢血压达7.9kPa(60mmHg)
B.心音清晰规则
C.瞳孔变小
D.触及颈动脉搏动
E.神志恢复