如图所示，在水平向左的匀强电场中，一个质量为m 带电小球用绝缘轻绳（不伸缩）悬于O点，平衡时小球位于A点，此时绳与竖直方向的夹角θ=53°，绳长为l，B、C、D到O点的距离均为l，BD水平，OC竖直．BO=CO=DO=l．

根据情景选择句子补全对话（有两项是多余的）

A: ____

B: Yes, please. I want a skirt for my daughter.

A:____

B: Green or blue.

A: Look at the skirts over there. We have different colors. Which would you like?

B: I think the green one is nice.____

A: It's 150 yuan.

B: Oh, it's too expensive.

A:____ It's only 60 yuan.

B: It's cheap, but it is big.____

A: Yes. Here you are.

y=sinx﹣|sinx|的值域是（　　）

____