皮皮学，免费搜题
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【单选题】
毛果芸香碱的作用机制是A.
激动M受体
B.
激动N受体
C.
阻断M受体
D.
阻断N受体
E.
阻断M受体和N受体
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皮皮学刷刷变学霸
举一反三
【单选题】A( ) agent may be a firm or a person who acts exclusively for one foreign principal with sole agency rights to sell on a commission basis certain commodities in a certain area under some kind of agr...
A.
special
B.
sole
C.
exclusive
D.
general
【简答题】Commodities with a high ______ relationship can sustain this high transport cost.
【单选题】commodities with flaws,buyer can file claims against sellers.
A.
Received
B.
Receiving
C.
Having received
D.
Receive
【单选题】Commodities with a _________ relationship can sustain this high transport cost.
A.
high value-to-density
B.
low value-to-density
C.
high value-to-weight
D.
low value-to-weight
【简答题】管理信息系统的开发存在着_______ 、投资大、______的特点。
【单选题】International commodities price will fluctuate with ( )
A.
national value
B.
international value
C.
supply-demand relationship
D.
the average of the unit of world labour
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