单项选择题
When loading or unloading baled cargo on board,the straps（）to lift or drag the bales.
A.are forbidden B.are allowed C.can be used D.are usually used
单项选择题 Raw materials belong to（）.
单项选择题 Which of the following statements about general cargoes is not correct?（）
单项选择题 （）should be responsible for loading,handling,stowing,carrying,keeping,carring for and discharging the goods carried according to the normal practice.
