题目

Emily is glad that she _______ for her honesty at the meeting.        A. praise                  B. praised                 C. is praised            D. was praised 答案：D（2001•宁夏）已知⊙O的一条弦AB与直径CD垂直相交于E，并有CE=1，DE=3，那么弦AB的长等于（ ）A．B．C．2D．4