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【单选题】
下列关于气体灭火系统的模拟喷气试验的有关说法中，不正确的是（）。A.
IG541灭火系统采用其充装的灭火剂进行模拟喷气试验
B.
低压二氧化碳灭火系统采用二氧化碳灭火剂进行模拟喷气试验
C.
卤代烷灭火系统宜采用卤代烷灭火剂
D.
模拟喷气试验宜采用自动启动方式
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【单选题】______information provided by members of the public, the police would have a much more difficult job.
A.
Supposing
B.
Provided that
C.
If it were not for
D.
On condition that
【单选题】关于血友病，下列错误的是( )
A.
血友病A，即因子Ⅶ缺乏症
B.
血友病A，即因子Ⅷ缺乏症
C.
血友病B，即因子Ⅸ缺乏症
D.
血友病C，即因子Ⅺ缺乏症
E.
因子Ⅷ又称为抗血友病球蛋白
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【简答题】The National Trust in Britain plays an increasingly important part in the preservation for public enjoyment of the best that is left unspoiled of the British countryside. Although the Trust has receiv...
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【简答题】血友病甲为____因子缺乏，血友病乙为_____因子缺乏，血友病丙为____因子缺乏。
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