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【单选题】
Who did he speak to? Did you see_______?A.
Did you see who did he speak to?
B.
Did you see who he spoke to ?
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举一反三
【单选题】Without doubt the radar is a highly important navigation aid. But duty officer shall aware that___ __when using it.
A.
Its range reading is more accurate than its bearing reading
B.
A low-lying coastline with a long, flat beach will show up properly on the radar
C.
Radar is only aimed at collision avoidance.
D.
The use of radar is necessary only when visibility is restricted.
【多选题】成本无差别点法要求各方案的（），（），（），否则无法使用。
A.
各方案的业务量单位必须相同
B.
各方案的业务量必须相同
C.
方案之间相关固定成本水平与单位变动成本恰好相同
D.
方案之间相关固定成本水平与单位变动成本恰好矛盾
【单选题】——How are you managing to do your work without
A.
28.——How are you managing to do your work without anassistant? ——Well ， I ______somehow. （重庆） A.getalong
B.
come on
C.
watchout
D.
set off
【单选题】Unbelievable as it is, the film 2012 without doubt________ a warning that human beings are faced with potential dangers
A.
belongs to
B.
serves as
C.
exists in
D.
accounts for
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