单项选择题

Water can put out common fires, such as （）.

A.wood，paper
B.textile
C.A+B
D.oil

<上一题 目录 下一题>
热门 试题

单项选择题
For the duties （）in one emergency, one person may do more than one job and one job may be done by more than one person.

A.assigning
B.assign
C.toassign
D.assigned
单项选择题
Seven short blasts continued for one minute means （）.

A. fire alarm
B. boat alarm
C. man overboard
D. emergency alarm
相关试题