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【单选题】
Compass error is equal to .A.
variation plus compass course
B.
combined variation and deviation
C.
difference between true and magnetic heading
D.
deviation minus variation
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【简答题】高分子材料需要具备哪些特征？
【简答题】创新型领导需要具备哪些特征？
【单选题】When economic profits are positive in a perfectly competitive industry,
A.
we would expect the market supply curve to shift to the left as a result.
B.
we would expect the market supply curve to shift to the right as a result.
C.
we would not expect any change in the market supply curve to result.
D.
we would expect that the market demand curve to shift right as a result
【判断题】If there are implicit costs of production, accounting profits will exceed economic profits.
A.
正确
B.
错误
【单选题】When free entry is one of the attributes of a market structure, economic profits are:
A.
generally driven to zero in long-run equilibrium.
B.
generally negative for all firms.
C.
generally zero in the short run.
D.
always positive.
【简答题】企业微观营销环境又称营销直接环境 包括 ________ 、 、________、 、 等。
【简答题】姑苏城外寒山寺夜半钟声到客船出自哪首诗？
【单选题】When economic profits are negative in a perfectly competitive industry,
A.
we would expect the market supply curve to shift to the left as a result.
B.
we would expect the market supply curve to shift to the right as a result.
C.
we would not expect any change in the market supply curve to result.
D.
we would expect that the market demand curve to shift left as a result
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