- 搜标题
- 搜题干
- 搜选项
单项选择题
The main causes of fire on board ships are _____.
The main causes of fire on board ships are _____.
A.oil leakage in engine-room
B.hot work (welding, cutting, etc.)
C.static electricity
D.All of the above
A.
A.oil
B.hot
C.)
C.static
D.All
A.oil
B.hot
C.)
C.static
D.All
