In the diurnal type of tidal oscillation, the alternate rise and fall of sea level, a single high water and a single low water o

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问题 In the diurnal type of tidal oscillation, the alternate rise and fall of sea level, a single high water and a single low water occur ______ tidal day.

选项 A、each
B、each of
C、each of the
D、of each

答案A

解析
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