下列各组中属于同位素关系的是( )
A.1940K与2040Ca
B.T2O与H2O
C.1940K与1939K
D.金刚石与石墨
答案:C
I have to draw some money from the bank before our money ______.
A.runs out of
B.is run out
C.runs out
D.runs up
对“热结旁流”应选用的治疗方法是
A.寒因寒用B.热因热用C.塞因塞用D.通因通用E.反佐