量子力学奠基性的假说是()
A、电磁效应
B、光电效应
C、波粒二象性
D、黑体辐射假说
参考答案:C
----- Why didn’t you enjoy the concert?
----- It was _____ concert I had ever listened to.
A.more wonderful
B.less wonderful
C.the least wonderful
D.the most wonderful
护士有时要对病人保密,但应除外()
A.使病人悲观失望的预后
B.有心理压力的诊断
C.医护人员姓名和职称
D.医护人员家庭情况