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问题 单项选择题

地下室楼梯间与首层之间应有防火分割措施。一般应在首层采用耐火极限不低于 ( )的隔墙与其他部位隔开；必须在隔墙上开设的门应为( )防火门。

A．2h；乙级

B．2h；甲级

C．1h；乙级

D．1h；甲级

答案

参考答案：A

单项选择题

沥青砂浆一定要在（）的情况下施工，否则，不易操作。

A、常温

B、温度很低

C、温度较高

D、温度不太高
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单项选择题

An analyst does researchabout lease. When compared to a leasor, which of the following is most appropriate adjustment to the balance sheet of a leasee（）

A. increasing assets and liabilities by the sum of future lease payments.

B. increasing assets and liabilities by the present value of future leased payments.

C. decreasing assets and liabilities by the present value of future leased payments.
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