取分泌物悬滴法查念珠菌,最好使用:
A.生理盐水
B.氢氧化钾
C.过氧化氢
D.蒸馏水
E.小苏打
参考答案:B
临床上常用"管电流与曝光时间的乘积"代表()
A.X线的量
B.X线的质
C.摄影条件中的电流
D.摄影条件中的电压
E.摄影条件中的管电压
Including a contingency reserve in the project budget is intended to ().
A.reduce the probability of scope changes
B.increase the probability of scope changes
C.reduce the probability of a cost overrun
D.increase the probability of a cost overrun