餐饮系统的照明设备根据其用途可分为基本照明和（）照明。
A.艺术
B.文化
C.学习
D.舞台
参考答案：A
Alice: Hello, Good morning!
Lucy: _____________
A. Hi, Morning. B. Hello, afternoon. C. Hello, Good evening.
_____do you spend on music lesson every day?[ ]
A. How often
B. How many times
C. How long
D. What time
