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【单选题】
结构上某量值的影响线的量纲是A.
该量值的量纲
B.
该量值的量纲 /[ 力 ]
C.
该量值的量纲× [ 力 ]
D.
该量值的量纲 /[ 长度 ]
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举一反三
【单选题】Looked at in this way, the present situation about birds flu doesn't seem so ______. [ ]
A.
disappoint
B.
disappointing
C.
disappointed
D.
disappointment
【简答题】Disease may either be associated with illness or be ______.
【单选题】The manager was absent because of illness； ______，the meeting was put off until tomorrow.
A.
as a result
B.
what's worse
C.
in other words
D.
by the way
【单选题】______at in this way, the present economic situation doesn't seem so gloomy.
A.
Looking
B.
Looked
C.
Having looked
D.
To look
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