The ______ of accidents on that road gives the doctors a lot of work.A、figureB、

游客2025-04-04 5

问题 The ______ of accidents on that road gives the doctors a lot of work.

选项 A、figure
B、number
C、occurrence
D、frequency

答案 D

解析 frequency n．次数，频繁；频率，出现率。

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