测量实际值为200V的电压时,电压表的指示值为202V时,则该表的绝对误差、相对误差分别为()
A.2V
B.-2V
C.1%
D.-1%
参考答案:A, C
Did you see a Beijing opera ______________?[ ]
A. yesterday
B. next week
C. every Saturday
在顺序表(3,6,8,10,12,15,16,18,21,25,30)中,用二分法查找关键码值11,所需的关键码比较次数为( )。
A.2
B.3
C.4
D.5