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【多选题】
可直接抑制延髓咳嗽中枢而发挥镇咳作用的药物A.
苯佐那酯
B.
喷托维林
C.
苯丙哌林
D.
可待因
E.
右美沙芬
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】I’m _____ in math . I find it’s too difficult .
A.
weak
B.
good
C.
well
D.
interested
【单选题】- Did you have any difficulty finding our company? --____________.
A.
Yeah. It' s freally too hard.
B.
How far it is.
C.
No. it' s easy to get here by subway.
D.
It' s too time-consuming.
【简答题】This is our company's __________ the history and products of our company.
【单选题】听力原文：M: Cindy, what is happiness in your mind? W: Why ask? It's a difficult question. Different people may have different understandings of happiness. M: You said it. But that is the assignment from m...
A.
It's difficult to obtain happiness.
B.
Happiness is only a state of mind.
C.
Happiness is closely related to material life.
D.
People shouldn't always ask what happiness is.
【简答题】在网页中元素分为块级元素和内嵌元素,两种类型的元素可以通过()属性进行转换
【单选题】图示梁截面 C 左右两侧的弯矩分别为( )。
A.
M C 左 = - 13.5kN·m ， M C 右 = - 1.5kN·m
B.
M C 左 =13.5kN·m ， M C 右 =1.5kN·m
C.
M C 左 = - 1.5kN·m ， M C 右 = - 13.5kN·m
D.
M C 左 =1.5kN·m ， M C 右 =13.5kN·m
【多选题】下列关于固定制造费用效率差异的说法中，不正确的有( )。
A.
固定制造费用效率差异是实际产量标准工时未达到生产能量而形成的差异
B.
固定制造费用效率差异是实际工时未达到生产能量而形成的差异
C.
固定制造费用效率差异是实际工时脱离实际产量标准工时而形成的差异
D.
固定制造费用效率差异是固定制造费用的实际金额脱离预算金额而形成的差异
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