当客人离座或更换饮料品种时，须将不用的杯具及时收回。
查看答案
中国茶服务时，要注意不同茶种的冲泡温度，使用合适的水温泡茶。
A. 对
B. 错
西式正餐服务程序较多，包括餐前小食服务、冷荤服务、主菜服务、餐中酒水服务及甜点、餐后服务等等
A. 对
B. 错
________ is imaginable that computer can be used to compose and play music.
A. It
B. What
C. That
D. Which
It is thought that good actors would never forget their lines on the stage. Yet ________ is not always the case.
A. this
B. which
C. what
D. /
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