Section A 听力原文:M: Can I help you? W: Well, take this bag to my room please. I'll go to the receptionist to book the ticket back home. Q: Where did the conversation most probably take place? (1)
A.
In a restaurant
B.
In a book store
C.
In a hotel
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【单选题】{ 请参见图示。路由器 R1 无法与直连到 serial 0/0/0 的相邻路由器通信。此问题的原因是什么? }