试题与答案

在组织人员使用手提式干式灭火器灭火时,要教会灭火人员一手始终压下压把,不能放开,否则

题型:单项选择题

题目:

在组织人员使用手提式干式灭火器灭火时,要教会灭火人员一手始终压下压把,不能放开,否则会中断喷射。当干粉喷出后,迅速对准火焰的()扫射。

(A)焰心;

(B)根部;

(C)内部;

(D)中心。

答案:

参考答案:B

试题推荐
题型:完形填空
Hello, I’m Tom. I’m a middle school student. It’s nice to meet you here. First, let me tell you _  16    about my family. There are five people in my   17  . They are my mother, my father, my sister, my brother and I.
My father is a worker. My mother is an English teacher. My sister is eighteen and my brother is sixteen. I’m fourteen. We  18   go to the same school. We all enjoy _19  football games.
My_  20   is in West Street. There is a big tree and some small trees around my house. The big one is a pear tree and the small ones are apple _ 21  .   22   there  23   any pears or apples on them now.   24 _ a photo of my house. In the photo, you can see three cats in my house. They are all black and white. We_  25   them very much.
小题1:
A.anything B.something C.thingD.anyone
小题2:A school      B. house        C. room     D. family
小题3:
A.twoB.fiveC.threeD.six
小题4:
A.seeingB.looking atC.watching D.looking
小题5:
A.bedB.schoolC.roomD.home
小题6:
A.treesB.riversC.housesD.schools
小题7:
A.ButB.AndC.SoD.Or
小题8:
A.isn’tB.isC.areD.aren’t
小题9:
A.He’sB.Here’sC.It’sD.There are
小题10:
A.are liking B.likesC.likeD.is liking
查看答案
微信公众账号搜索答案