当用MIRROR命令对文本属性进行镜像操作时,要想让文本具有可读性,应将变量MIRRTEXT的值设置为:
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A. Tells the truth, B. Talkative, C. Shares, D. Keep in touch, E. Appreciate, F. Together, G. In common, H. Advice I. Supports, J. There, K. Enjoy, L. Friends, M. Betray, N. Close, O. Rely, P. Honest, Q. For agesIn my opinion lucky are the people who have_____. My_____friend is Jane. We have known each other_____ and we have a lot_____It’s always a fun to be _____whatever we do: we always_____each other’s company. Besides we both are fond of travelling but we always_____no matter how far we are. Another good thing is that I can talk with her about everything: she is very clever and ready to give me good _____and also Jane never_____my secrets with anybody though she is very_____ and teachers at school often say that she is a real chatterbox. Jane is a friend indeed as when I’m in trouble she is always _____ for me, she always _____ me with words and actions and I’m sure that in any difficult situation I can always_____on her; I know that she won’t _____me. My best friend is a very_____person and she always_____no matter how unpleasant it is, that’s what I _____most of all.
二进制数111111000的八进制表示为:()
A. (770)8
B. (780)8
C. (870)8
D. (880)8
十六进制数AFH的十进制值是( )。
A. 175
B. 176
C. 174
D. 165
设任意一个十进制整数为d,转换成二进制数为b,下列叙述中正确的是( )。
A. 数字b的位数<数字d的位数
B. 数字b的位数≤数字d的位数
C. 数字b的位数≥数字d的位数
D. 数字b的位数>数字d的位数