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【单选题】
下列关于火焰传播的说法错误的是( )。A.
火焰传播速度以平行于焰面的分速度来表示，称它为法向火焰传播速度或火焰传播基本速度
B.
火焰的传播方式有两种：缓燃和爆燃
C.
缓燃的火焰传播是依靠燃烧层中产生的热量，以热传导的方式传给邻近的未燃气层，使其着火燃烧形成新的焰面，缓燃的传播速度较低，远低于声速，工程上绝大多数情况下的火焰传播属于缓燃
D.
爆燃是由纯热压缩的冲击波所引起的可燃混合物的燃烧，高温烟气的比体积比未燃混合物大，高温烟气骤然膨胀从而产生压力波，使未燃混合物绝热压缩，温度骤然升高并迅速着火
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【多选题】根据《司法解释》,利害关系人是指同时具备以下( )特征的自然人、法人或者其他组织。
A.
合理信赖或使用了会计师事务所出具的不实报告
B.
与被审计单位进行了交易或从事与被审计单位的股票、债券等相关交易活动
C.
在交易或交易活动中遭受了重大经济损失
D.
与被审计单位签订了相关交易协议、合同
【简答题】Passage 2 When you think about the growth of human population over the last century or so, it is all too easy to imagine it merely as an increase in the number of humans. But as we _1_, so do all the ...
【单选题】– What do you think Sally will be when she grows up? – She loves science so much. I think she’ll be an .
A.
engineer
B.
actor
C.
English teacher
【单选题】― Do you want to be a businessman when you ________? ― I don't think so. It's too hard and busy. [ ]
A.
grow up
B.
come up
C.
get up
D.
make up
【单选题】—You should______when you are having a class. —Yes, I think so. [ ]
A.
listen to the teachers carefully
B.
read some sports magazines
C.
listen to music
【简答题】阅读理解。 What should you think about when trying to find your career? You are probably better at some school subjects than others. These may show strengths that you can use in your work. A boy who is goo...
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