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问题 多项选择题

下列各项中，属于交通运输企业特点的有（）。

A.生产与销售同时发生

B.属于资本密集型企业

C.营运具有季节性

D.固定成本比重较高

答案

参考答案：A, B, C, D

单项选择题

For many years, the principle goal of computer (73) was to write short pieces of code that would execute quickly. The (74) needed to be small, because memory was expensive, and it needed to be fast, because processing power was also expensive.

A．users

B．programmers

C．computer

D．program
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单项选择题

汽蒸能更有效地保持原料( )和原汁原味。

A．质地脆硬

B．口味香脆

C．营养成分

D．口味脆嫩
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