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 tide C. mixed tide D. abnormal semi-diurnal tide

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When I try to understand（ ）that prevents so many Americans from being as happy as one might expect,it seems to me that there are two causes.

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There are two reasons why understanding attribution may be helpful in leadership situations. These are:

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When two power-driven vessels are meeting head-on and there is a risk of collision, each shall ____ .A. stop her engines B. alter course to starboardC. sound the danger signal D. back down

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When two people feel the same about each other,their feelings are（ ）.

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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

答案解析