电吹风的开关有（）。
A.风速开关
B.电源开关
C.热风档位选择开关
D.照明开关
参考答案：A, C
You can use a plastic bottle , ______cut off , as a pot to grow flowers in
A the top is B with its top C whose top D the top of which
计算机软件分为（）和（）两大类。
