题目

Only when you take great delight in reading and begin reading good books ________ he pleasure of reading. A . did you taste B . you taste C . you will taste D . will you taste 答案：D如图，在锐角三角形ABC中，D为BC边的中点，F为AB边所在的直线上一点，连接CF交AD延长线于E，已知EC=14CF，问：（1）F点此时的位置；（2）求AFAB的值．