第1题
Unfortunately, the fire fight found that the extinguisher was not (behaving) well.选择能代替括号里的选项
A、working
B、applying
C、proceeding
D、performing
第2题
听力原文:(A) An extinguisher is being used to put out a fire.
(B) A fire extinguisher is hanging on a wall.
(C) The extinguisher is being recharged.
(D) The fire extinguisher is above the sign.
A.
B.
C.
D.
第3题
第4题
Why does the author mention the fire extinguisher hose in paragraph 2?
A.To emphasize the unsafe working conditions
B.To show the manager's leadership skills
C.To illustrate the factory's modem technology
D.To explain how the fire was eventually put out
第5题
This fire extinguisher is to be used only in case of ___________.
A. urgency
B. crisis
C. immediacy
D. emergency
第6题
A foam-type portable fire extinguisher is most useful in fighting a fire in ______.
A.generators
B.oil drums
C.the bridge controls
D.combustible metals
第7题
A portable dry chemical fire extinguisher discharges by ______.
A.gravity when the extinguisher is turned upside down
B.pressure from a small CO2 cartridge on the extinguisher
C.air pressure from the hand pump attached to the extinguisher
D.pressure from the reaction when water is mixed with the chemical
第8题
The fire extinguisher uses a chemical ______ rather than water.
A.foam
B.foil
C.fraud
D.fuse
第9题
The fire extinguisher uses a chemical ______ rather than water.
A.foam
B.foil
C.fraud
D.fuse
第10题
What type of extinguisher should be used for an electric fire? ________
A.CO2
B.Form
C.Water
D.Water and Form
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!