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【单选题】
曳引驱动电梯上符合标准规定条件的轿厢上行超速保护装置,关于该保护装置说法不正确的是()。
A.
该装置动作后,应能自动释放;
B.
该装置释放时,应不需要接近轿厢或对重
C.
释放后,该装置应处于正常工作状态;
D.
如果该装置需要外部的能量来驱动,当能量没有时,该装置应能使电梯制动并使其保持停止状态
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【简答题】Consider the firm in terms of a value chain. What is the difference between primary activities and support activities? Provide examples of each. 从价值链的角度考虑公司。主要活动和支持活动之间有什么区别?提供每个例子。
【单选题】在《秋水》中,庄子用“夏虫不可以语于冰者”作喻来说明
A.
人的认识受空旬限制
B.
人的认识受时间限制
C.
人的认识受先天素质限制
D.
人的认识受后天教育限制
【单选题】Polaris Inc. has a significant amount of bonds outstanding denominated in yen because of the attractive variable rate available to the firm in yen when the loan was made. However, Polaris does not hav...
A.
doing nothing to offset the need for yen
B.
developing a currency swap of paying dollars and receiving yen
C.
developing an interest rate swap of receiving a variable rate while paying a fixed rate
D.
Polaris may engage in any of the strategies to a varying degree of effectiveness.
【判断题】颗粒度可以通过机械筛分,沉降和显微镜观察等测定,最常用的为机械筛分
A.
正确
B.
错误
【判断题】静态工作点对应的参数U BEQ 为0.7V。
A.
正确
B.
错误
【判断题】电流互感器铭牌上所标额定电压是指一次绕组的额定电压
A.
正确
B.
错误
【单选题】In determining the benefit of additional investment to the representative firm, we consider the marginal product of
A.
current capital.
B.
future capital
C.
current labor.
D.
future labor.
【多选题】变更或者确认违法的有( )
A.
主要事实不清、证据不足的行政行为
B.
违反法定程序的行政行为
C.
超越或者滥用职权的行政行为
D.
适用依据错误的行政行为
【单选题】Consider a firm called T&T Corporation, whose earnings per share are $15. Assuming the market capitalization rate is 18% per year. Which of the following investment strategies will result in the highe...
A.
reinvests 60% of its earnings each year into new investments that yield a rate of return of 18% per year
B.
reinvests 80% of its earnings each year into new investments that yield a rate of return of 18% per year
C.
reinvests 20% of its earnings each year into new investments that yield a rate of return of 20% per year
D.
reinvests 40% of its earnings each year into new investments that yield a rate of return of 20% per year
【单选题】Consider a firm that produces peanut butter. An increase in the price of peanuts will cause the firm to lower its output because______
A.
fixed costs will rise
B.
marginal cost will rise
C.
the price of peanut butter will rise
D.
marginal revenue will fall
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