【简答题】A heart attack can happen to anyone. Let’s say it’s 5:20 pm and you’re driving home alone after an unusually hard day on the job. You’re really tired, upset and frustrated. Suddenly, you start experie...
【简答题】If you haven’t seen or heard anything about Road Rage in the last few months, you’ve probably been avoiding the media. There have been countless stories about this new and scary phenomenon, considered...
【单选题】《燕歌行》除高适之外,下列诗人中()也写过。
【单选题】It's I who (am, is) to leave at once.
【单选题】It's I who (am, is) to leave at once.
【单选题】It's I who ____ to leave at once.
【简答题】It's I who (am, is) to leave at once.
【单选题】XX高速公路XX高架桥4号墩2号上立柱的(高11.4m)混凝土浇筑到10.4m时,立柱模板突然倾斜,致使立柱21m高工作平台上的4人坠落致死。经现场调查,模板连接螺栓断裂、螺帽崩掉,混凝土外泄,模板侧向受压倒塌;模板钢板有夹层且已生锈;由于多次流转,模板的连接螺杆及刻丝刚度疲劳损伤,性能降低;螺栓未设置垫片、螺栓安装孔过大;简易爬梯附着在模板上。施工组织不合理,混凝土浇筑的泵送时间、方式和输送量没...