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【单选题】
在曲轴连杆机构中,连杆比λ通常是指——。A.
活塞直径D与曲柄半径R之比
B.
曲柄半径R与连杆长度L之比
C.
连杆长度L与曲柄半径R之比
D.
连杆长度L与活塞直径D之比
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举一反三
【单选题】Pictures in the British papers this week of Prince William, Prince Charles's 18-year-old son, cleaning toilets overseas, have led to a surge of altruism (利他主义). Raleigh International, the charity that...
A.
are getting older and older
B.
are becoming fewer
C.
are inexperienced and unqualified
D.
are mostly students
【单选题】The royal wedding of William , __________ Britain’s prince , and kate , __________ ordinary girl , draws the worldwide attention .
A.
/ ; an
B.
/ ; the
C.
the ; the
D.
a ; the
【单选题】The royal wedding of William, ________ Britain's prince, and Kate, ________ ordinary girl, draws the worldwide attention.
A.
/; an
B.
/; the
C.
the; the
D.
a; the
【单选题】In relation to management attitude to absenteeism the study at the Prince William Hospital found similar results to the two 1989 studies.
A.
Y
B.
N
C.
NG
【单选题】In relation to management attitude to absenteeism the study at the Prince William Hospital found similar results to the two 199 studies.
A.
Y
B.
N
C.
NG
【单选题】It can be inferred that Prince William ______.
A.
will have difficulty in adapting to the normal world
B.
will be the richest man in the world
C.
easily suffers from mental problems than common children
D.
will bear the burden of ruling a country
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