CMS专题
单选题When a fire（）at the National Exhibition, at least then priceless paintings were completely destroyed.A broke offB broke outC broke downD broke up
题目
broke off
broke out
broke down
broke up
相似问题和答案
第1题：
When a fire( )at the National Exhibition, at least ten priceless paintings were completely destroyed.
A. broke off
B. broke out
C. broke down
D. broke up
第2题：
A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the ______．
A.Fire hose might be damaged by cargo operations
B.Vessel is in port
C.Fire-main system is not charged
D.Fire pumps are used for purposes other than supplying water to the fire main
第3题：
发生火情时，客人们能用电梯吗?
A.Can guests use the stairs when a fire appears?
B.Can guests use the elevators when a fire presents?
C.Can guests use the lifts when a fire occurs?
D.Can guests use the ladders when a fire breaks up?
第4题：
When a fire（）at the National Exhibition, at least then priceless paintings were completely destroyed.
- A、broke off
- B、broke out
- C、broke down
- D、broke up
正确答案:B
第5题：
When a fire（）at the National Exhibition, at least then priceless paintings were completely destroyed.
Abroke off
Bbroke out
Cbroke down
Dbroke up
B
略
第6题：
【题目描述】
第59题：When a fire ________ at the National Exhibition in London, at least ten priceless paintings were completely destroyed.
A) broke off
B) broke out
C) broke down
D) broke up
第7题：
An ABC dry chemical fire extinguisher would be LEAST effective against a fire in ______.
A.a mattress
B.spilled liquids such as oil or paint
C.high voltage electrical gear
D.a trash can
干粉灭火机对席子着火的扑救效果最差。
第8题：
A.When is National Day
B.When is Labor’s Day
C.When is Teacher’s Day
D. When is Christmas Day
第9题：
Under what conditions would the use of a Class C fire extinguisher be preferable to a Class A extinguisher? C类火灾灭火器比A类灭火器更适用于以下哪一种情况？（）
- A、A .When the fire involves paper products当火灾和纸制品有关时
- B、B .When the fire is caused by flammable products当火灾由易燃物造成
- C、C .When the fire involves electrical equipment当火灾和电器设备有关时
- D、D .When the fire is in an enclosed area当火灾发生在一个封闭空间内
正确答案:C
第10题：
在船上应当日落时降下国旗.（）
- A、We should lower national flag when the sun sets.
- B、We should lower national flag when the ship is in port.
- C、We should lower national flag when loading and unloading.
- D、We should lower national flag when the sun rises.
正确答案:A