题目

Winning the match was just a ________ for the effort the team had made. A . reward B . award C . prize D . return 答案：D如图，梯形ABCD中，AD∥BC，AB=DC，∠ABC=720，现平行移动腰AB至DE后，再将 ∆DCE沿DE折叠得 ∆DCˊE则∠EDCˊ的度数是    。