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【单选题】
访问片外部数据存储器时，不起作用的信号是（）A.
R/D
B.
W/E
C.
RSEN
D.
A. ALE
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】要在桌面上创建一个文件夹,下列步骤正确的操作顺序是()
A.
桌面空白处右击 ②输入文件名字
B.
择“新建→文件夹”菜单 ④按回车键
C.
①②③
D.
②③④
E.
①②③④
F.
①③②④
【简答题】活塞哪一个方向是承压面?( )A. 垂直于活塞销之方向
【单选题】Which state does Washington D.C. belong to?
A.
New York
B.
Maryland
C.
no state
D.
Washington
【简答题】When did Strauss go to California? A.1847 B.1848 C.1849 D.1850A.1847 B.1848 C.1849 D.1850 B.1848 C.1849 D.1850 C.1849 D.1850 D.1850
【单选题】—Thank you very much for helping me when I was in trouble. — _____. [ ]
A.
Don't mention it
B.
With pleasure
C.
That's right
D.
You said it
【单选题】What is the meaning of the word “ROGER” when used in radio communication?__________.
A.
Please repeat your message
B.
Not readable
C.
Correct
D.
I have received your transmission satisfactorily
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