【判断题】按三级导线的要求测得一个四边形的闭合导线的四个内角分别为79°36'38”、99°33'48′′、127°48'35”、53°00′'34′′,则其角度闭合差为,一42′′。
【单选题】When a firm finds that its ATC of production decreases as it increases production, this firm is said to be experiencing:
【单选题】This firm is a ___________private company,__________in 1981.
B.
height of; to register
【判断题】The CIO of a firm is a middle manager who is responsible for monitoring the use of IT in this firm.
【判断题】按三级导线的要求测得一个四边形的闭合导线的四个内角分别为79°36′30′′、99°33′40′′、127°48′30′′、53°00′40′′,则其角度闭合差为-40′′。
【单选题】The firm in a perfectly competitive market is a price taker. This designation as a price taker is based on the assumption that______.
A.
the firm has some, but not complete, control over its product price
B.
there is easy entry into or exit from the market place
C.
each firm produces a homogeneous product
D.
there are so many buyers and sellers in the market that any individual firm cannot affect the market