单项选择题
A vessel shall be deemed to be overtaking when she can see at night（）.
A.only the sternlight of the vessel B.a sidelight and one masthead light of a vessel C.only a sidelight of the vessel D.any light except the masthead lights of the vessel
单项选择题 The temperature at which the air is saturated with water vapor and below which condensation of water vapor will occur is referred to as the（）.
单项选择题 Foul ground（）2 cables fromits E side.
单项选择题 Top and inner graduated borderlines of the chart are（）.
