哪项不是中度脱水的临床表现()
A．失水量为体重的5%～10%
B．四肢厥冷
C．眼窝、前囟明显凹陷
D．尿量明显减少
E．皮肤弹性较差
参考答案：B
—Hello, may I speak to Mr Green, please?
—Sorry. He a meeting. Can you call him later?
A．has
B．is having
C．will have
D．had
柴油机燃油滤清器如不及时清洗，会使滤芯堵塞，造成供油不足，严重时会产生（）的现象。
A.温度过高
B.排气管冒黑烟
C.排气管冒蓝烟
D.突然停车
