故障维修修复时限的内部管控要求是城镇用户24小时，农村用户48小时，客户另行预约时间除外。
参考答案：错
He __ go to bed late.But now he __ going to bed early and getting up early. [ ]
A. was used to, used to
B. used to, is used to
C. is used to, use to
D. use to, was used to
呼气带有烂苹果气味见于哪一患者( )。
A．尿毒症B．有机磷农药中毒C．肺脓肿D．糖尿病酮症酸中毒E．肝性脑病
