题目

如图是超市里购物车的侧面示意图，扶手AB与车底CD平行，∠2比∠3大10°，∠1是∠2的倍，则∠2的度数是_____． 答案：【答案】55°【解析】设∠2=x，则∠3=x-10°，∠1=，因为AB∥CD，所以∠1=∠2+∠3，所以=x+x-10，解得x=55°，故答案为55°.根据首字母填写所缺单词 They were always talking in class. They were very n________.