【正确答案】 C

【答案解析】[听力原文]10-12
M: I'd like a single room for tonight.
W: Yes, sir. Have you booked a room?
M: I'm scary I haven't.
W: Let me see. With or without a bath?
M: I'd prefer a room with a bath.
W: We have a room at front with a bath on the 5^th floor. If you prefer a room at back, it's on the 7^th floor, but without a bath.
M: How much are they?
W: The room with a bath is seventy dollars and the one without is fifty dollars. The cost is lower by the week.
M: Thanks, but I'm planning to stay only overnight. I'll take the room with a bath. What time do I have to check out?
W: 11 o'clock, sir. Will you please write down your name here? The bell-boy will take your bags and show you your room, which is 509. Here is the key.

[解析] 事实细节题。由If you prefer an outside room，it's on the7^thfloor， but without a bath．可知如果你要外景的房间，七层还有，但不带浴室。所以正确答案为[C]。

【正确答案】 A

【答案解析】[解析] 词义理解题。从男士的话I'm planning to stay only overnigh中可直接得知。overnight：过一夜。

【正确答案】 B

【答案解析】[解析] 事实细节题。女士说The ball-boy will take your bags and show you your room，which is 509．可知男士打算住在509房间。