单项选择题

听力原文：When would be most appropriate for us to reach you?
(A) No, such a topic is out of my reach.
(B) Yes, that was a proper response.
(C) Tomorrow at your convenience.
(4)
A．
B．
C．

A.
(B)
B.
(C)
C.
(4)
A．
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多项选择题
建筑节能墙体的种类（）

A.外墙内保温
B.外墙外保温
C.外墙结构自保温
D.外墙夹心保温
单项选择题
听力原文：Why do you admire this printer so much?(A) I told the printers to deliver the brochure.(B) Please have 150 copies ready by 2.(C) You'd also be amazed at the incredible speed.(6)A． B． C．
A.
(B)
B.
(C)
C.
(6)
A．
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