题目

How does the woman probably feel?A. Embarrassed. B. Surprised. C. Grateful 答案：【答案】A【解析】W: Excuse me, sir. Can you tell me how much this box of sticky notes costs?M: Ma’am, this is a 99-cent store. Everything is the same price.W: Oh, right! How silly of me!此题为听力题，解析略。在四边形ABCD中，对角线AC与BD交于点O，若AO=CO，BO=DO，要使它成为菱形，可以添加的条件是AB=BCAB=BC．（写出一个即可）．