【单选题】Consider the following problems: Overcrowded public highways, overfishing in the ocean, polluted air, and the near-extinction of the wild rhinoceros. What do these problems have in common?
A.
Private markets could easily solve them if governments left the markets alone.
B.
They would all go away if the government sponsored an intensive public-information campaign.
C.
They are all the result of a failure to establish clear property rights over something of value.
D.
They are all the result of a failure of corrective taxes.
【单选题】These wild flowers are so special I would do ______I_______ them.
【单选题】铰链四杆机构的最小传动角可能发生在()位置之处。
【单选题】较链四杆机构的最小传动角可能发生在主动曲柄与()的位置之一处。
【单选题】机构的最小传动角 可能发生在 位置之处。
【单选题】铰链四杆机构的最小传动角可能发生在主动曲柄与( )的位置之一处。
【单选题】管理权变理论学派的主要代表人物是( )。