电子天平的微处理器损坏的正确修理方法是()
A、检修或更换电子天平的微处理器
B、更换保险丝
C、更换电子天平的显示器
D、重新开启电子天平
参考答案:D
I never thought anyone would speak ill of him to his face, _________?
A.did I
B.didn’t I
C.would they
D.wouldn’t they
软件的有效性函数A(t)定义为软件系统在()按照规格说明成功运行的概率。