加强运行设备状态检(监)测分析,及时()设备状态变化。
A.准确
B.主动
C.实时掌握
D.动态掌握
参考答案:A, D
现有格式化输入语句,scanf("x=%d],sum]y=%d,line]z=%dL",&x,&y,&z);,已知在输入数据后,x,y,z的值分别是23,56,78,则下列选项中正确地输入格式的是
A) 23,56,78 <Enter>B) x =23,y=56,z=78 <Enter>C) x=23C,sumy=56,z=78 <Enter>D) x=23] ,sum]y=56 ,line]z=78 <Enter>[注]:”]”表示空格,<Enter>表示回车
I walked slowly through the market, where people () all kinds of fruits and vegetables: I studied the prices carefully and bought what I needed.
A. sell
B. were selling
C. had sold
D. have sold