The tide is generally semi-diurnal in Malacca Strait. It is indicated that you may exp erience ___ each day. A. two almost equal high tides and two low tides B. one high and one lowtide C. two uneven tides D. two high tides

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In general ,most areas have two high tides and two low tides each day. When the two highs and the two lows are about the same height, what is the pattern called?A. Diurnal tide B. Mixed Diurnal tideC. Semi-diurnal tide D. Mixed semi-diurnal tide

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The biggest proportion of tide-generating force is from ____ .A. the Moon B. the SunC. the Earth D. Geo-strophic force

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When there are two high and two low waters each tidal day with relatively small inequality in the consecutive high and low water heights, it is ___.A. normal semi-diurnal tide B. normal diurnal tideC. mixed tideD. abnormal semi-diurnal tide

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From _____mariners can know the data of tide.A. the Sea Pilot B. the Cargo Plan C. the Tide Table（潮汐表） D. the Port List

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When there are a single high and a single low water each tidal day, it is ____.A. normal semi-diurnal tide B. normal diurnal tideC. mixed tide D. abnormal semi-diurnal tide

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