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【单选题】
通常活塞行程为曲柄半径的( )倍。A.
1
B.
2
C.
4
D.
8
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】A monopolist produces a good using only one factor, labor. There are constant returns to scale in production, and the demand for the monopolist's product is described by a downward sloping straight li...
A.
marginal cost of labor to the monopolist exceeds the wage.
B.
marginal product of labor times price of output equals the wage.
C.
marginal product of labor times price of output is less than the wage.
D.
marginal product of labor times price of output exceeds the wage.
【单选题】当宿舍内发生火灾时,正确的逃生方法是 ( )
A.
不管楼层高低，立即跳楼
B.
立即利用电梯快速逃离火灾现场
C.
迅速披上浸湿的衣服、被褥等，向安全出口方向逃离
D.
寻找通道，逃离现场
【简答题】____是海伦·凯勒“再塑生命的人”。
【单选题】Because of diminishing returns to capital, doubling the amount of physical capital available for one worker to use will _____ output by _____ a factor of two.
A.
decrease; less than
B.
increase; less than
C.
increase; exactly
D.
increase; more than
【单选题】According to Euler's theorem, if competitive firms pay each factor its marginal product and the production function has constant returns to scale, the sum of all factor payments will equal:
A.
total investment.
B.
total saving.
C.
total profits.
D.
total output.
【简答题】__________________是再塑海伦生命的人。
【单选题】当宿舍内发生火灾时,正确的逃生方法是( )
A.
不管楼层高低，赶紧跳楼逃生
B.
迅速披上浸湿的衣服、被褥等，向安全出口逃离
C.
立即乘坐电梯下楼逃生
D.
寻找通道、逃离现场
【判断题】In a general equilibrium model, a tax on a single factor in its use only in a particular sector can affect returns to all factors in all sectors.
A.
正确
B.
错误
【简答题】《假如给我三天光明》是_______国____________的散文代表作品,她的第一部作品是 __________________是再塑海伦生命的人。
相关题目：
【单选题】当宿舍内发生火灾时,正确的逃生方法是 ( )
A.
不管楼层高低，立即跳楼
B.
立即利用电梯快速逃离火灾现场
C.
迅速披上浸湿的衣服、被褥等，向安全出口方向逃离
D.
寻找通道，逃离现场