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【单选题】
对商品老化具有显著影响的是（）部分。A.
紫外线
B.
红外线
C.
可见光
D.
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举一反三
【单选题】Some children (want to) challenge (themselves) by learning a language different from (which) their parents speak (at home).
A.
want to
B.
themselves
C.
which
D.
at home
【多选题】口腔颌面及颈部手术后,可因肌松弛、舌后坠、咽或颈部肿胀、血肿压迫而致上呼吸道梗阻。主要预防措施有
A.
完全清醒后拔管．必要时可留管24小时
B.
在舌深部缝一根丝线．必要时牵拉
C.
拔管后病人取坐位，以利于头颈部引流
D.
做好气管插管或切开的准备
【多选题】口腔颌面及颈部手术后，可因肌松弛、舌后坠、咽或颈部肿胀、血肿压迫而致上呼吸道梗阻。主要预防措施有（）
A.
完全清醒后拔管.必要时可留管24小时以上
B.
在舌深部缝一根丝线.必要时牵拉
C.
拔管后病人取坐位，以利于头颈部引流
D.
做好气管插管或切开的准备
E.
术后组织肿胀可持续3天，在此期间均应警惕气道梗阻的危险
【单选题】In the author's opinion, ______.
A.
the human body can't be compared to a car
B.
the older a person is, the more care he needs
C.
too much emphasis has been put on old people's values
D.
it is easy to provide spare parts for old people
【单选题】Some children want to challenge themselves by learning a language different from spoken by their parents at home. [ ]
A.
what
B.
that
C.
which
D.
one
【简答题】在卖出合约后，如果价格上升则进一步卖出合约，以提髙平均卖出价格，一旦价格回落，可以在较高价格上买入止亏盈利，这称为平均买低。()
【单选题】What made some people different from others according to Confucius?
A.
Family
B.
Potential
C.
Knowledge
D.
Community
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