以下公务员职务仅对应两个级别的有（）。
A. * *
B.国务委员
C.副部长
D.处长
E.主任科员
参考答案：B, C
25℃时，将某强酸和某强碱溶液按10∶1的体积比混合溶液恰好呈中性，则混合前此强酸与强碱溶液的pH之和是
A．12
B．13
C．14
D．15
Nursing implications for a client taking central nervous system (CNS) stimulants include monitoring the client for which of the following conditions（）
A. Hyperpyrexia, slow pulse, and weight gain.
B. Tachycardia, weight loss, and mood swings.
C. Hypotension, weight gain, and listlessness.
D. Increased appetite, slowing of sensorium, and arrhythmias.
