诊断依据是
A．呕吐
B．尿量600ml/天
C．眼球凹陷
D．皮肤干燥
E．血钠128mmol/L
参考答案：E
____ is always right.
A No matter what you say B Whatever you say
C No matter how you say D However you say
处理平衡重块固定螺栓松动故障时应将曲柄停在（）位置。
A、水平
B、垂直
C、任意
D、上45°
