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问题 单项选择题

（）是运用计算机科学的基础概念进行问题求解、系统设计以及人类行为理解等涵盖计算机科学之广度的一系列思维活动。

A、科学思维

B、逻辑思维

C、理论思维

D、计算思维

答案

参考答案：D

单项选择题

A student conducts an experiment in biology lab and discovers that the ratio of the number Of insects in a given population having characteristic X to the number of insects in the population not having characteristic X is 5:3, and that

of the insects having characteristic X are male insects. What proportion of the total insect population are male insects having the characteristic X
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单项选择题

PWT是指世界（）定向巡回赛。

A、公园

B、山地

C、野外
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