句子排序。
(____)A.Of course.Here you are.
(____)B.How much is it?
(____)C.Yes.Can I try on this skirt?
(____)D.It's $100.
(____)E.Can I help you?
(____)F.I will take it.
请在图中画出反射光线,并标出反射角的度数
如图,在△ABC中,∠CAB=70º,将△ABC绕点A逆时针旋转到△ADE的位置,连接EC,满足EC∥AB, 则∠BAD的度数为( )
回顾新中国重返联合国的历史,我们不能忘记下列哪些朋友 ( )