单选题 The tide is generally semi-diurmal in Malacca Strait It is indicated that you may expert
_____each day.

单选题 It is requested that the ship's personnel be ____the port regulations.

单选题 is the main channel of water exchange between Indian Ocean and South China Sea.

单选题 Port of Singapore is one of the _______ports in the world and extends over many of the islandsforming the Republic of Singapore.

单选题 Malacca Strait is 805 km_____from 64 km in the S to 257 km in the N.

单选题 The Sailing Directions contain information on______.

单选题 Place names used on board ships should be those_____.

单选题 The overall set in Malacca Strait is to the NW, but from May to September there is a tendency for SE sets to prevail in some N and central parts. In this sentence,"set"refers to________.