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【单选题】
左端固定的直杆受扭转力偶作用，如图所示。杆中最大扭矩|T|max为 kN•m。【图片】A.
6
B.
7
C.
8
D.
9
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举一反三
【单选题】Although she believed that she had a good chance of recovering, the doctors said that few, _____ , could come back to normal after getting this disease. [ ]
A.
if any
B.
if so
C.
if not
D.
if ever
【单选题】The doctors said that there was ______ wrong with Jane's legs. They could not do ______ to help her. [ ]
A.
something; something
B.
something; nothing
C.
nothing; anything
D.
everything; something
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