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【单选题】
假设小一学期的考试成绩及每门课的学分如下表所示,则本学期的加权平均成绩为 ____ 。A.
81.45
B.
82.55
C.
76
D.
85
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反馈参考答案：
举一反三
【多选题】施工现场空气污染的防治措施有( )。
A.
施工现场垃圾渣土要及时清理出现场
B.
施工现场道路应指定专人定期洒水清扫，形成制度
C.
油毡、橡胶、塑料、皮革、树叶、枯草、各种包装物等废弃物品及时焚烧
D.
车辆开出工地要做到不带泥砂，基本做到不撒土、不扬尘
E.
拆除旧建筑物时，应当适当洒水，防止扬尘
【单选题】This firm is a _________ private company of import and export, _______ in 1981.
A.
high... registered
B.
height of ... to register
C.
highly... registered
D.
highest... to register
【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′′。
A.
正确
B.
错误
【单选题】This firm is a______ private company of import and export, _______ in 1981.
A.
high... Registered
B.
height of .. to register
C.
highly... registered
D.
highest... to register
【单选题】When a firm finds that its ATC of production decreases as it increases production, this firm is said to be experiencing:
A.
profit maximization.
B.
economic profit.
C.
economies of scale.
D.
a barrier to entry.
【单选题】This firm is a ___________private company,__________in 1981.
A.
high; registered
B.
height of; to register
C.
highly; registered
D.
highest; 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.
A.
正确
B.
错误
【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′′。
A.
正确
B.
错误
【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
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