【单选题】一I just can’t help worrying about the result of my medical examination. 一 .You can do nothing but wait.
【多选题】激活补体活化的经典途径中必不可少的补体成分是
【单选题】—Why are you making so much noise? —I just can't help . [ ]
【多选题】为了解全国铁路货运状况,有关单位向铁路枢纽站发出调查表,此项调查属于( )
【单选题】导体处于静电平衡状态时()
C.
导体内部任何一点处的电场强度为零,导体表面处电场强度的方向都与导体表面垂直
【判断题】处于静电平衡时,导体内的电场强度都为零 .
【判断题】导体处于静电平衡时,导体内部的电场强度为零,导体表面的电场强度与表面垂直。因此,在导体内部或导体表面上任意两点间移动电荷时,电场力都不做功。
【单选题】-Why are you make much noise? -I just can’t help _____.
【单选题】I know it has gone past but I just can't help______ about it.