多项选择题

根据《龙门架及井架物料提升机安全技术规范》4.1.2条（JGJ88-2010），结构设计时应考虑的偶然荷载包括：（）

A、风、雪
B、冰
C、温度变化
D、运行偏斜引起的荷载

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热门试题

单项选择题

To：All department managersFrom：Molly StuartDate：16October 2009Subject：In-service English classesC.C：Dallen Hook，the general managerFrom Monday 2November English classes will be held in the Training Center （Room 317）.There will be two groups：intermediate level （8：30—10：00a.m.）and advanced level （10：30—12：00a.m.）.Please encourage your staff to attend one of the sessions.All teaching materials will be provided but students will be expected to do homework and preparation outside working hours.Please send me the names of all interested staff by noon on Wednesday 21October.They will be given an informal oral test during the last week of October so that we can decide which of the classes is best for them.The size of each class will be limited to 12participants.What is the main purpose of writing this memo？（）

A．Enrolling students for an advanced English class
B．Informing department managers of the opening of in-service English classes
C．Asking all department managers for proposal on in-service classes
D．Reporting the information of in-service classes to Dallen Hook

未分类题

How long time does Jane Gates have before she leaves for Montreal?A．5 daysB．0 daysC． daysD．5 days