The convention business is very profitable for a hotel.
A. 对
B. 错
The hotel always gives preferential rates to guests who rent rooms on a long-term basis.
A. 对
B. 错
Mongolian hot pot is served only in a Mongolian yurt.
A. 对
B. 错
社会主义核心价值观在公民层面的表达是（ ）
A. 富强、民主、文明、和谐
B. 自由、平等、公正、法治
C. 爱国、敬业、诚信、公正
D. 爱国、敬业、诚信、友善
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