间接标价法是用一定单位的本国货币来计算应收若干单位的外国货币（）。
参考答案：对
— Do you think it's a good idea to make friends with your students?
— _____, I do. I think it's a great idea. [ ]
A. Really
B. Obviously
C. Actually
D. Generally
用十六位机器码1110001010000000来表示定点整数(最高位为符号位)，当它是原码时表示的十进制真值为 (6) 。当它是补码时表示的十进制真值是 (7) ；当它是反码时表示的十进制真值是 (8) 。
A．-12608
B．-7551
C．-7552
D．-25216
