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【单选题】
完全垄断厂商达于长期均衡的条件是A.
MR=MC
B.
MR=SMC=LMC
C.
MR=SMC=LMC=SAC
D.
MR=SMC=SAC=LAC
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【简答题】一等边三角形的边长为a，沿其边缘作用有大小均为P的三个力，方向如图所示。该力系向点A简化的主矢F′R和主矩MA(以逆时针向为正)的大小分别为：
【单选题】Which of the following best describes corporate governance?
A.
Corporate governance is the system by which an entity monitors its impact on the natural environment.
B.
Corporate governance is carried out by finance department in preparing the financial statements.
C.
Corporate governance is the system of rules and regulations surrounding financial reporting.
D.
Corporate governance is the system by which companies and other entities are directed and controlled.
【简答题】下图是基于PT4107的LED日光灯驱动电路,请指出降压稳压电路主要两个元器件:___、___。
【单选题】一等边三角形的边长为a，沿其边缘作用有大小均为P的三个力，方向如图所示。该力系向点A简化的主矢R′的大小和主矩MA(以逆时针向为正)分别为( )。
A.
B.
C.
D.
【单选题】Which of the following best describes corporate governance?
A.
Corporate governance is the system of rules and regulations surrounding financial reporting
B.
Corporate governance is the system by which companies and other entities are directed and controlled
C.
Corporate governance is carried out by the finance department in preparing the financial accounts
D.
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A.
Can be defined as the actions of a firm to benefit society beyond the requirements of the law and the direct interests of the firm.
B.
Seeks to serve society's interests by focusing on social, political and economic issues such as poverty, social justice, education, health and the environment.
C.
Can be defined as the system by which business corporations are directed and controlled.
D.
Can be defined as the development that meets humanity's needs without harming future generations.
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