To study the distribution of disease within an area, it is useful to plot the cases on a map.

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问题 To study the distribution of disease within an area, it is useful to plot the cases on a map.

选项 A、mark
B、allocate
C、erase
D、pose

答案B

解析 题干:要研究地区内疾病的分布情况,在地图上定位病例的位置是很有用的。plot划分,策划;allocate分派,分配;mark做标记于,打分数;pose摆好姿势,形成。根据题干,B为正确选项。
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