题目

在右栏中找出左栏中每个句子的答语 ⑴What's your name?⑵A blue balloon for you.⑶Happy New Year.⑷Thank you!A. Happy New Year!B. Not at all.C. Thank you. I love this blue one.D. My name is Stanley. 答案：【1】D【2】C【3】A【4】B10．如图，BD是菱形ABCD的对角线，点E是边BC上的动点，连接AE，点F在线段AE上，连接BF，DF，且∠AFB=60°，AB=BD（1）若AB=6，求四边形ABCD的面积；（2）求证：AF=DF+BF．