妊娠期, * * 少量出血,色淡质稀,头晕耳鸣,腰膝酸软,小便频数,中医辨证为()
A.气虚
B.肾虚
C.血热
D.血虚
E.虚寒
参考答案:B
---What’s the matter?
--- I have stomachache. Maybe I have eaten _____________ tonight.
A.too much
B.too many
C.much too
D.many too
已知一工件的斜度为1:50,小端厚度为12mm,长度为250mm,求刨削时大端厚度的控制尺寸。