单项选择题
One precaution to take prior to working in a freshly painted compartment where there are an excessive amount of paint fumes, is to （）.
A.take shallow breaths of air B.ventilate the area C.wear a breathing apparatus while working D.keep a charged fire hose handy
单项选择题 The safe rate of bunkering heavy fuel oil is directly related to the （）.
单项选择题 The term "load on top" is used on many crude oil carriers, is to provide a method for （）.
单项选择题 To avoid excessive pressures in the fuel oil filling system during bunkering, you should （）.
