题目内容

关键字是游离于单元之外的特殊数据单元,可以惟一标识一个表页,用于在大量表页中快速选择表页。 ()

A. 正确
B. 错误

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一种没有刻度的专用检验工具,用这种工具不能测出被测量工件的具体尺寸,但可确定被测量工件是否合格,它是()。

A. 游标计量仪
B. 气动式计量仪
C. 极限量规
D. 检验夹具

Old time Australian homes usually had no sliced bread and washing had to be done by hand.

A. Y
B. N
C. NG

Under the leadership of Prime Minister Chifley, Australians gladly accepted socialism.

A. Y
B. N
C. NG

A.He came too early for the appointment.B.He missed the bus here.C.He went to a wrong

A. He came too early for the appointment.
B. He missed the bus here.
C. He went to a wrong address.
D. He felt very bad when he got up.

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