在“探究杠杆的平衡条件”实验中：
——Mr Li, I can't understand everything in class.——Don't worry! I'll _____ _ the main points at the end.
已知：△ABC≌△DEF，AB=DE，∠A=70°，∠E=30°，则∠F的度数为（ ）
Mickey Mouse by Walt Disney, and children it very much.
