电弧接地过电压属于（）范畴。
A.大气过电压
B.工前过电压
C.谐振过电压
D.操作过电压
参考答案：D
动脉血压检测时常用的穿刺动脉不包括（）。
A.桡动脉
B.股动脉
C.足背动脉
D.胫后动脉
E.腋动脉
When using net present value (NPV) profiles:（）
A. the NPV profile’s intersection with the horizontal x-axis identifies the amount of profit the project will make.
B. the NPV profile’s intersection with the vertical y-axis identifies the project’s internal rate of return.
C. one should accept all independent projects with positive NPVs.
