平板支撑主要塑造腰部、腹部和臀部的线条，更重要的是，它可以帮助维持（）的平衡，让你的背部线条更迷人。
A. 肩胛骨
B. 锁骨
C. 颈部
D. 头部
平板支撑的不适宜人群：
A. 严重脊柱侧弯、急性腰间盘突出以及骨质疏松的人群
B. 不建议45岁以上的中老年人
C. 孕妇
D. 青少年
How to reply if the passenger asks for an extra helping?
A. Well. I need to serve all the passengers first.
B. Sure. Here you are.
C. No, you can’t.
Definitely not.
How to reply if the passenger asks for vegetarian food?
A. Enjoy your meal.
B. Have you mentioned your requirement when booking?
C. Definitely not.
D. I do not know.
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