2. 外语
  3. In a set of measurements, the range is defined as the greatest measurement minus the least measurement. According to the table a

In a set of measurements, the range is defined as the greatest measurement minus the least measurement. According to the table a

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问题
In a set of measurements, the range is defined as the greatest measurement minus the least measurement. According to the table above, during the first four days of which month was the range of temperatures at noon the greatest?
选项 A、January
B、April
C、June
D、August
E、November
答案A
解析 在某一组测量集中，测量的值域被定义为测量的最大值与测量的最小值的差。根据上表，哪个月前4天中午的温度变化范围最大?
解：本题的正确答案为(A)。由表可知各月份的温度变化范围分别为：
January：32-14=18；
April：58-45=13
June：80-74=6
August：100-84=16
November：48-39=9
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