预后不良是指病情危重尚无有效治疗方法，患病动物可能死亡，或丧失其生产能力和经济价值。
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Did you have to pay for the drinks you ordered from your room? （你在客房里点的饮料需要付费吗？）
A. Yes.
B. No.
Did you have to pay extra fee for checking out late for an hour? (你退房晚了1个小时需要额外付费吗？)
A. Yes.
B. No.
What does “ bell man” mean?
A. 敲钟人
B. 行李员
C. 伴郎
How do you express “信用卡”in English? （信用卡用英语怎么说？）
A. Credit Card
Business Card
C. Post Card
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