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【判断题】
[判断题]M20x2〜6H/5g6g,其中5g表示外螺纹中径公 差带代号,6g表示外螺纹公差带代号。A.
正确
B.
错误
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举一反三
【单选题】He spoke very fast and very _____ people understood what he said. [ ]
A.
little
B.
a little
C.
few
D.
a few
【单选题】If someone sends a message the size of one gigabyte, ______.
A.
it is large
B.
it is very small
C.
it takes little time for a computer to read
D.
it is the size of a short note
【单选题】The little girl slept very well in one of the little beds.
A.
Right
B.
Wrong
C.
Doesn't say
【多选题】在Window7中,可以完成窗口切换的方法是( )
A.
Alt+Tab
B.
单机要切换窗口的任何可见部位
C.
Win+Tab
D.
单机任务栏上要切换的应用程序按钮
【单选题】Never before _____ so highly successful in his attempts to change the weather slightly on a very small scale. [ ]
A.
man has been
B.
man is
C.
will man be
D.
has man been
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