99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

單項選擇題

When action to avoid a close quarter situation is taken,a course change alone may be the most effective action provide that().

A.it is done in a succession of small course changes
B.It is not done too early
C.It is a large course change
D.the course change is to starboard

微信掃碼免費(fèi)搜題