【判断题】【消耗次数：1】
储存容器属于气体灭火系统
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【判断题】
气体灭火系统采用的是冷却、窒息（稀释氧气）、隔离（去除燃料）和化学抑制方法中的一种或多种方法。一般包括二氧化碳灭火系统、水蒸气灭火系统、氦气灭火系统和烟雾灭火系统、卤代烷灭火系统等
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正确
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随机题目
【单选题】
2. You should deliberate over the question before you_______it.
①
response to
②
respond to
③
retellfrom
④
delete
【单选题】
Anna was reading a piece of science fiction, completely _____ to the outside world.
①
having been lost
②
to be lost
③
losing
④
lost
【单选题】
7. She is poor ______ she can hardly get anything to eat.
①
as much as
②
too much so that
③
so much so that
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much more than
【单选题】
Of swimming and football he much preferred _____.
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later
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the later
③
former
④
the former
【单选题】
10. ______ radio ______ and try to find out what’s wrong with it.
①
Take…apart
②
Tell…apart
③
Cutting…into pieces
④
Separate…apart
【单选题】
3.Many American people lost their jobs in the economic_________of 1929.
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emergency
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crisis
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time
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stage
【单选题】
Many people complain of the rapid _____ of modern life.
①
rate
②
speed
③
pace
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growth
【单选题】
_____his sister, Jack is quiet and does not easily make friends with others.
①
Dislike
②
Unlike
③
Alik
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Liking
【单选题】
The assistant wrapped it _____ for her as quickly as possible.
①
round
②
about
③
in
④
up