皮皮学，免费搜题
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【单选题】
颈部蜂窝患者需行气管切开,以防患者A.
脓毒血症
B.
血栓性静脉炎
C.
纵隔脓肿
D.
吞咽困难
E.
窒息
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】A severe drought over the past months has left 7.5 million people without ________ drinking wate
A.
32. A severe drought over the past months has left 7.5 million people without ________ drinking water in two southwestern Chinese provinces. A．frequent
B.
private
C.
permanent
D.
adequate
【单选题】函数 y= 1-lnx 1+lnx 的导数为（ ）
A.
y′=- 2 (1+lnx) 2
B.
y′= 2 x (1+lnx) 2
C.
y′=- 1 x (1+lnx) 2
D.
y′=- 2 x (1+lnx) 2
【简答题】简述中国银联电子支付提供的支付业务。
【单选题】You should try to make some ______ of your differences so that you can work together without quarrels
A.
adjustment
B.
arrangement
C.
development
D.
improvement
E.
movement
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