指出下列哪项不是气滞所致()
A.痛经
B.经闭
C.子肿
D.经间期出血
E.盆腔炎
参考答案:D
Some people would rather ride bikes as bike riding has _______ of the troubles of taking buses.
A.nothing
B.none
C.some
D.neither
《评价规程》规定.直流电源的总保险、断路器操作机构的内部连线(指操作箱端子排到操作机构内部)的故障引起的保护拒动或误动,要不要进行评价?为什么?