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【多选题】
通风空调系统应设置防火阀的部位有（）A.
在送风、排风管穿过机房隔墙或楼板处
B.
在穿越防火分区隔墙处的送、回风管道上
C.
在每层送、水平管与垂直总管的交接处
D.
直接接室外的新风管
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反馈参考答案：
举一反三
【简答题】编写程序,用二维数组存储矩阵元素,从键盘输入数据,将矩阵转置后按行输出。
【单选题】-- Shall I wait here for three hours? --Yes. Three hours _____ to wait for such a doctor.
A.
was not long enough for you
B.
are not very long for you
C.
is not long enough for you
D.
will be too long for you
【单选题】—Shall we leave for home now? —No, I ______ here until Tom comes back. [ ]
A.
won’t wait
B.
will leave
C.
will wait
D.
won’t stay
【判断题】从西方历史学家的角度看,唐朝比当时任何一个国家都开放,它也因此成为中华文明的象征。 (3 puntos) 答案: Desde el punto de vista de los historiadores occidentales, la dinastía Tang fue más abierta que ninguna otra nación de su época, por lo cual se...
A.
正确
B.
错误
【单选题】---How long shall we wait here? -The first bus set out earlier than usual today and _______ be here any time, I think.
A.
should
B.
might
C.
can
D.
must
【单选题】------shall I stay here or wait there ? ------________.
A.
It makes no difference
B.
It is no problem
C.
It depends
D.
It's Ok
【单选题】-- Shall I wait here for three hours? --Yes. Three hours ___to wait for such a doctor.
A.
are not very long for you
B.
is not long enough for you
C.
was not long enough for you
D.
will be too long for you
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