【单选题】When the machinery spaces are in the periodic unmanned condition, ____ shall be immediately available and on call to attend the machinery space
B.
the designated engineer from shipyard
C.
the designated duty officer in charge of the engineering watch
D.
the designated surveyor from classification society
【单选题】Everyone stood up______ the hero came into the lecture hall.
【单选题】Mr. Green ______ goes to the park for a walk with some friends after supper.
【单选题】These natural disasters have warned us that everyone should start to protect the_________ immediately.
【多选题】高分子材料的老化以外界因素的作用影响最大,这些因素是( )。
【单选题】If a crew member is exposed to phenol by way of skin or eye contact, you should IMMEDIATELY ______.
B.
treat victim for shock
C.
flush skin and eyes with water