The height of tide is the （）.
1、The height of the tide is affected by
The height of the tide is affected by all of the following EXCEPT______.A the position of the sunB channels in the sea bottomC the direction of the windD variations in the coast line
2、The ratio of the height of a vessel’s
The ratio of the height of a vessel’s rudder to its width is referred to as the（）.Aaspect ratioBconstriction ratioCrudder ratioDsteering ratio
3、The height of eye correction is smalle
The height of eye correction is smaller than geometrical dip because of （）.A the angle between the horizontal and the line of sight to the visible horizonB index errorC parallaxD terrestrial refractio
4、The meaning of ebb tide is that （）.
The meaning of ebb tide is that （）.Atide is falling from high water to low waterBtide is rising from low water to high waterCtide is reaching to a highest levelDtide is reaching to a lowest level
The tide is（）.AblackBsettingCbeingDhaving
6、The difference between the heights of
The difference between the heights of low and high tide is the（）.AperiodBrangeCdistanceDdepth