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【单选题】
建筑火灾的发展分为、发展期、最盛期、减弱期和熄灭期。火灾热释放速率随时间的平方非线性发展是 ( )阶段的特征。A.
B.
发展期
C.
最盛期
D.
减弱期
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反馈参考答案：
举一反三
【简答题】n. 丑闻 首字母s
【简答题】物业管理专业学生在学习过程中会有两个重要实习,分别是( )和( ),这两门课同时也是物业管理专业的专业核心课。
【单选题】The main reason why two major airlines went bankrupt recently was that
A.
the recession had reduced the overall number of air passengers.
B.
the companies failed to attract an adequate number of passengers.
C.
competitions from other airliners took away all their trade.
D.
they introduced cheap flights for all categories of passengers.
【简答题】In the meantime, consumers are forced to make a choice between just two US and two UK airlines, which provide 95 percent of transatlantic services from Heathrow.
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