单项选择题
An uncontrolled flow of gas，oil，or other well fluids into the atmosphere is called a（）.
A.flow B.breakout C.kick D.blowout
单项选择题 All the traces are（）old ones.
单项选择题 A man was sighted as he fell overboard. After completing a Williamson turn，the man is not sighted. What type of search should be conducted?（）
单项选择题 （）the visibility to reduce to one mile by heavy rain，it（）be impossible to rescue the vessel in distress.
