试题与答案

一般情况下,跑道边灯必须是发()发光灯。

题型:填空题

题目:

一般情况下,跑道边灯必须是发()发光灯。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:D

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Crimes are mainly committed by the young, and for this reason merely increasing the number of police officers or expenditures on police services has little effect on reducing the crime rate. In fact, the only factor associated with a crimerate drop is a decrease in the number of People in the community aged fourteen to thirty.
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E.(E) a community’s plan to increase the number of recreational and educational activities in which young adults can participate.

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