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【单选题】
用于拧紧或拧松狭窄地方或凹槽中的螺栓和螺母的扳手是( )。A.
活动扳手
B.
开口扳手
C.
梅花扳手
D.
套筒扳手
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反馈参考答案：
举一反三
【单选题】We had to read ______ the light of a candle because the light went out.
A.
by
B.
in
C.
with
D.
on
【单选题】--- Did that book give the information you needed? --- Yes, but ______, we had to read it almost entirely.
A.
for finding it
B.
to find it
C.
finding it
D.
by finding it
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