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【单选题】
听力原文：W: Good morning. I see that you have flat for rent in Baker Street. M: I should tell you that there is another person interested in it. Q: What can we infer from the conversation? (17)A.
The flat in Baker Street has already been rented.
B.
The flat is in a very good location.
C.
The woman might not be able to rent the flat in Baker Street.
D.
Finding a flat in Baker Street is very difficult.
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【多选题】公路供配电系统具有( )功能。
A.
提供稳定、可靠的电源，保证公路运营正常
B.
保证人身安全、供电可靠、技术先进
C.
确保电压质量、满足用电设备的供电要求
D.
仅满足开通时用电设备的供电要求
E.
具有控制和调节功能，实现降损节能运行
【简答题】广播电视事业最基本、最主要的社会功能是（）。