呼吸衰竭引起代谢性酸中毒时,不可能出现下列哪种情况()
A.细胞内K+外移
B.肾小管排K+减少
C.HCO3-降低
D.血Cl-增高
E.血Cl-降低
参考答案:E
用502胶固定指针和指针轴套时,应在()进行。
A.未装入齿轮轴前
B.装入齿轮后
C.装配结束后
D.检定前
There is _________in today's newspaper.
A.new anything
B.new something
C.anything new
D.something new