单项选择题
The set of the current is the（）.
A.speed of the current at a particular time B.maximum speed of the current C.direction from which the current flows D.direction in which the current flows
单项选择题 The north equatorial current flows to the（）.
单项选择题 The navigational term SET OF CURRENT means（）.
单项选择题 The movement of water away from the shore or downstream is called a(n)（）.
