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
参考答案：C
下列物质中前者是氧化物，后者是混合物的是
A．金刚石、石灰石
B．氧化铁、生铁
C．自来水、天然气
D．生石灰、干冰
This girl is ready to help people any time. When she is on the bus,
she always _______ her seat to someone in need. [ ]
A. gives
B. give
C. gave
D. giving
