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【单选题】
,男,30岁,出租车司机。现患感冒,来药店咨询购买治疗感冒的药品,在患者工作期间,不宜向患者推荐含有下列何种成分的抗感冒药?A.
伪麻黄碱
B.
麻黄碱
C.
人工牛黄
D.
氯苯那敏
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【简答题】Don't mention your current situation to her when ______ to her. (talk)
【单选题】With respect to a reversing current, slack water occurs when there is ( ).
A.
little or no horizontal motion of the water
B.
little or no vertical motion of the water
C.
a weak ebb or flood current
D.
when winds cause water to back up in a river mouth
【单选题】It conducts as a wire when the DC current flow through it; but restrains the current varying when the AC current used. “It” represents( ).
A.
resistor
B.
capacitor
C.
inductor
D.
current source
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