A vertex of the navigational triangle

1、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

2、The navigable semicircle of a tropical

The navigable semicircle of a tropical storm in the South Indian Ocean is located on which side of the storm’s track? （）ARearBFrontCLeftDRight

3、Grammar is a description of the（）of a

Grammar is a description of the（）of a language and the way in which linguistic units such as words and phrases are combined to produce sentences in the language.

4、The Navigation Rules state that a vess

The Navigation Rules state that a vessel shall be operated at a safe speed at all times so that she can be stopped within（）.Athe distance ...

5、A vessel navigate in areas near the te

A vessel navigate in areas near the termination of traffic separation schemes shall do（）with particular caution.AitBthatCthisDso

6、In the navigational triangle，the angle

In the navigational triangle，the angle at the elevated pole is the（）.Ameridian angleBaltitudeCright ascensionDazimuth angle