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问题 填空题

面粉厂运进200吨面粉记作+200，那么运出50吨面粉记作______．

答案

“运进”与“运出”相对，所以，若运进200吨面粉记作+200，那么运出50吨面粉应记作-50．

单项选择题

Nineteenth-century art critics judged art by the realism of its method of representation. It was assumed that the realistic method developed from primitive beginnings to the perfection of formal realism. It is one of the permanent gains of the aesthetic revolution of the twentieth century that we are rid of this type of aesthetics.
It can be inferred from the passage above that the artistic revolution of the twentieth century had which of the following effects

A．It deemphasized realistic representation as an evaluative consideration for judging works of art.

B．It permitted modern critics to appreciate the simplicity of primitive art.

C．It repudiated the realistic representation found in the art of the past.

D．It reinforced traditional ways of looking at and judging great art.

E．(E) It allowed art critics to understand the evolution and nature of art.
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单项选择题

建立在清楚的逻辑基础上，并且它的决策方法和决策过程有固定的规律可循，可事先规定明确的决策规则达到的决策是

A．非结构化决策

B．结构化决策

C．半结构化决策

D．以上都不是
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