题目

From Tuesday to Friday Mr. White goes to night school. He wants to learn English. It’s Wednesday morning. Mr. White is going to the bus stop. Now he’s waiting for the bus. The bus is coming. Mr. White gets on the bus. He stands next to two old women. The men in front of them are sitting. Two men get up and give the women their seats（座位）. The old women take the seats and say, “Thank you very much. It’s very nice of you.” 1. Mr White does not go to night school on ______.    A. Tuesday          B. Friday         C. Wednesday        D. Monday 如图，直角梯形ABCD中，AD∥BC，∠B=90°，∠D=45°．（1）若AB=6cm，，求梯形ABCD的面积；（2）若E、F、G、H分别是梯形ABCD的边AB、BC、CD、DA上一点，且满足EF=GH，∠EFH=∠FHG，求证：HD=BE+BF．