【单选题】They soon began to investigate the cause of the fire.
【简答题】.A fire broke out in a neighbouring street yesterday,but it was soon_______by the firemen. A,gone out B, put out C,given out D,made out
【单选题】As a duty engineer, as soon as your hear the fire emergency signal, you should ensure that the
A.
ring buoys are thrown overboard
C.
fire pumps are started
D.
life preservers have been issued to everyone
【多选题】下列关于信念说法正确的是( )。
C.
信念有高层次信念也有低层次信念即 信念是一种复合物
【单选题】The firemen arrived ___ the fire broke out.