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问题详情：Regularsafetychecksandmaintenanceofescalators(手扶电梯)andelevatorshavebeenurgedinthewakeofatragedyinCentralChina’sHubeiprovince.Awomanfell  76agapatthetopofanescalatoratadepartmentstore. ...

问题详情：WordoftheDayWritingCompetitionDaysaregettingcolder,andeveryoneisslowlybackingtothewarmcomfortoftheirhomes.It’sthebestopportunitytomakegooduseofthequietnessandpeaceoftheseasonbytakingpenandpap...