执行如图所示的程序框图,输出的S值为
如图,正方形ABCD中,AB=4,点E,F分别在AD,DC上,且△BEF为等边三角形,则△EDF与△BFC的面积比为( )
Jim often ____ ____ ____ a prince when he is at a party.
选出句子中出现的单词( )