[听力原文]
W: It’s terrible. I’ve been waiting in this line for 20 minutes.
M: We certainly need a better bus service.
{{B}}
Pushbike Danger{{/B}} Low speed bicycle crashes can badly injure -- or even kill -- children if they fall onto the ends of the handlebars (车把). So a team of engineers is redesigning it to make it safer. Kristy Arbogast, a bioengineer at the Children’s Hospital of Philadelphia in Pennsylvania, began the project with her colleagues. The cases they reviewed about serious abdominal (腹部的) injuries in children in the past 30 years showed that more than a third were caused by bicycle accidents, "The task was to identify how the injuries occurred and come up with some countermeasures," she says. By interviewing the children and their parents, Arbogast and her team were able to reconstruct many of the accidents and identified a common A. "problems"~ B. "approaches". C. "solutions". D. "actions". [多选题]工业车辆要求轮胎具备的特点是( )。
A.承载能力大 B.耐磨性好 C.刚性大 D.强度高 [单选题]严禁用水或泡沫扑救遇湿易燃.易爆物质火灾,严禁使用()扑救可燃粉尘.强腐蚀性物质火灾。
A.泡沫 B.开花水 C.直流水 D.干粉 [单选题] 测量线路绝缘电阻时,应在取得许可并通知( )后进行。 (1.0分)
A. 变电运维人员 B. 工作负责人 C. 监控人员 D. 对侧 [单项选择]中等剂量肾上腺素可:()
A. 收缩压升高 B. 心率明显加快 C. 二者都是 D. 二者都不是 [判断题]RN1型高压熔断器是有填料限流式高压熔断器。( )
A.正确 B.错误 [判断题]硫化氢事故现场应布置警戒线,设定固定安全哨,上风口方向设立两级流动安全哨,并随时汇报。
A.正确 B.错误 [判断题]对于胁从犯,应当按其犯罪情节减轻或者免除处罚。
A.正确 B.错误 [多选题]班(组)指挥员对于火场情况内容包括___。
A.火势发展蔓延的方向、途径、范围和速度 B.被困人员受到高温、烟气、火势威胁的程度 C.物资、设备等受火势威胁程度 D.有无爆炸、沸喷、毒害、触电 E.有无建(构)筑物倒塌的危险 [单选题]磷酸戊糖途径的重要生理功能是生成( )。
A.GTP B.3-磷酸甘油醛 C.NADH+H+ D.NADPH+H+ [多选题] 关于安全绳说法正确的有( )。 (1.0分)
A. 织带式安全绳的织带应加锁边线,末端无散丝 B. 纤维绳式安全绳绳头无散丝 C. 钢丝绳式安全绳的钢丝应捻制均匀、紧密、不松散,中间无接头 D. 链式安全绳下端环、连接环和中间环的各环间转动灵活,链条形状一致 [简答题]如果建材城可以获得国家赔偿,其赔偿请求是否都可以得到支持为什么
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