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【判断题】
8051 单片机扩展外部存储器时,常用地址锁存器来锁存高 8 位地址。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】通过“程序”命令启动Visual FoxPro 6.0的正确操作步骤是( )。
A.
单击“开始”按钮，选择“程序”，选择命令Microsoft Visual FoxPro 6.0
B.
单击“开始”按钮，选择“程序”，选择Microsoft Visual FoxPro 6.0，选择命令Microsoft Visual FoxPro 6.0
C.
单击“开始”按钮，选择“运行”命令，在“运行”对话框的“打开”框中输入Microsoft Visual FoxPro 6.0
D.
单击“开始”按钮，选择“运行”命令，在“运行”对话框的“打开”框中输入C:\Program Files\Microsoft Visual FoxPro 6.0
【单选题】They keys were __________ to our neighbours during our absence.
A.
given out
B.
given away
C.
given over
D.
given up
【单选题】删除程序操作步骤:(1)选择EDIT方式。(2)"PRGRM"键,输入要删除的程序号,(3)按"( )"键,可以删除此程序内的程序。
A.
DELET
B.
EOB
C.
INSETUP
D.
POS
【单选题】An English speech _____ to the children tomorrow. [ ]
A.
is given
B.
has been given
C.
will be given
【简答题】插入注释的操作步骤:先将光标移至编辑窗口程序段中需要插入的位置,然后点击()⇒()⇒(),弹出()对话框,注释类型选择(),输入注释内容后,点击()完成注释的插入。
【单选题】Each soldier and sailor ____ a rifle. [ ]
A.
are given
B.
was given
C.
being given
D.
were given
【单选题】More than one answer to the question.
A.
have been given
B.
has been given
C.
were given
D.
had given
【单选题】After a long walk, they have ________.
A.
given in
B.
given back
C.
given out
D.
given over
【单选题】Peter had ______ his career in law to become a teacher.
A.
given up
B.
given in
C.
given off
D.
given away
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