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【多选题】
下列关于指令格式的描述中,正确的是【 】A.
对采用定长操作码的计算机而言，若需要支持98条指令，则其操作码字段最少需要7位
B.
若指令中每个地址字段位均为4位，则对RR型指令而言，可以使用16个寄存器
C.
指令字长确定的情况下，指令的地址字段越多 ，则其位数就越少
D.
计算机硬件是影响指令格式设计的因素之一
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【单选题】—I like pop music, but if you hate it, I ’ll play something else, ___? — How about some classics?
A.
Why not change it
B.
They are so cool
C.
It’s noise to me
D.
What do you want to hear
【单选题】I enjoy Shakespear’s works, up to now I _________ three of his plays.
A.
had read
B.
have read
C.
was reading
D.
am reading
【简答题】Up to now I ( )(read) more than 50 pages of the novel.
【单选题】You hate some chores. I hate some chores ______. [ ]
A.
too
B.
either
C.
nor
D.
neither
【判断题】VRP界面下,使用命令delete或unreserved vrpcfg.zip 无法删除文件,必须在回收站中清空,才能彻底删除文件。A. A. 正确 B. 错误
A.
正确
B.
错误
【简答题】A I never believed in lucky coins. But one day as I was mowing the lawn ( 修剪草坪 ) , I noticed a shiny object some five yards away. I stopped the machine to go and see 1 had caught my eye. Just as I ben...
【单选题】—Jenny, I hate to say it, but you really must go! —________. [ ]
A.
All right, if you insist
B.
Not likely
C.
Mind your own business
D.
You must be kidding
【简答题】补全对话。 A: You're in Grade Nine now. Is your life quite different? B: Yes, 1 But now I have to get up at six to read English. A: When did you go to bed? B: About nine. But I have to stay up until eleven...
【简答题】按钮的触点有常闭、 和复合触点3种,复合触点包括一闭、一开触点。按钮可做成单式(一个按钮)、复试(两个按钮)、三联式(三个按钮)三种
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