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If the information in the table were converted into a circle graph (pie chart), then the central angle of the sector for Gomez would measure how many degrees?
A. 54°
B. 72°
C. 90°
D. 108°
E. 144°
检索过程中当检索结果偏少时,简述进行扩检的方法?至少举出4种方法。
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