题目

阅读下面短文,根据短文内容,从下面方框中的A-G选项中,选择适当的选项补全短文A: Excuse me, Molly. Is this pink coat yours?B: No, it isn't. 【1】It might be Julie's. She likes pink.A: It can't be hers. 【2】B: How do you know that?A: 【3】B: I see. Let's see what's in the pocket of the coat. Wow, here's a hair band. A: 【4】Karen has long hair and pink is her favorite color.B: Oh, there're some candies in the other pocket.A: Then it must be Karen's. 【5】B: Yes, you're right. Let's go and ask her. A. I came to school with her this morning.B. It might be Kar若向量=（-1，2），=（-4，3），则在方向上的投影为（ ）A．2B．C．D．10