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【单选题】
在Excel97中单元格的格式（）更改。A.
一旦确定，将不可
B.
可随时
C.
依输入数据的格式而定，并不能
D.
更改后，将不可
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【单选题】A century ago in the United States, when an individual brought suit against a company, public opinion tended to protect that company. But perhaps this phenomenon was most striking in the case of the r...
A.
Farwell was injured because he negligently ran his engine off the track.
B.
Farwell would not have been injured if the switchman had been more careful.
C.
The court argued that the victim had accepted the risk since he had willingly taken his job.
D.
The court decided that the railroad should not be held responsible.
【单选题】A century ago in the United States, when an individual brought suit against a company, public opinion tended to protect that company. But perhaps this phenomenon was most striking in the case of the r...
A.
Farrell was injured because he negligently ran his engine off the track.
B.
Farrell would not have been injured if the switchman had been more careful.
C.
The court argued that the victim had accepted the risk since he had willingly taken his job.
D.
The court decided that the railroad should not be held responsible.
【单选题】1 A century ago in the United States, when an individual brought suit against a company, public opinion tended to protect that company. But perhaps this phenomenon was most striking in the case of the...
A.
Farwell was injured because he negligently ran his engine off the track.
B.
Farwell would not have been injured if the switchman had been more careful.
C.
The court argued that the victim had accepted the risk since he had willingly taken his job.
D.
The court decided that the railroad should not be held responsible.
【单选题】When an individual buys a car in a congested urban area, it generates
A.
a positive externality.
B.
a technology spillover.
C.
an efficient market outcome.
D.
a negative externality.
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