异位ACTH综合征较常见的水电解质及酸碱平衡紊乱是()
A.稀释性低钠血症伴代谢性碱中毒
B.低血钾性碱中毒
C.高血钾性碱中毒
D.低血钾性酸中毒
E.高血钾性酸中毒
参考答案:B
Only when you are old enough ________ that you didn't make most of your time. [ ]
A. you will realize
B. will you realize
C. have you realized
D. do you realize
双履带行走装置的优点是()
A、对地比压小
B、机动性好
C、通过性好
D、有较大的附着力