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Pushbike Peril{{/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 the humble handlebar in a bid to make it safer. Kristy Arbogast, a bioengineer at the Children’s Hospital of Philadelphia in Pennsylvania, began the project with her colleagues after a study of serious abdominal (腹部的) injuries in children in the past 30 years showed that more than a third were ca,used by bicycle accidents. "The task was to identify how the injuries occurred and come up with some countermeasures (对策)", she says. By interviewing the Children and their parents, Arbogast and her team were able to reconstruct (重建;重构) many of the accidents and identified a common mechanism A. it is not easy to persuade manufacturers to adopt the new design. B. the team of engineers has not found any countermeasures. C. children like to ride bicycles at a very low speed. D. a lot of children were killed in bicycle accidents in the past 30 years. [单选题]非图定列车（ ）为列车基本径路
A.列车运行图规定的运行线 B.文件、电报规定的运行线 C.日（班）计划或调度命令确定的运行线 D.调度自行铺画运行线 [单项选择]M5卷烟机盘纸拼接后剔出的拼接头可在（）中找到。
A. MAX出口处取样盘 B. NTRM废烟收集盘 C. 输入鼓下废烟收集盘 D. SE后身废烟箱 [单项选择]They should have gone earlier, ______
A. have they B. didn't they G. haven't they D. shouldn't they [单选题]列车进入电气化铁路区段,发现货车上有人爬乘时,要提醒他们上面有高压电,要()慢慢 爬下车,必要时应操纵隔离开关,使接触网停电后再使其下车
A.俯卧式 B.直立式 C.跳跃式 D.随意式 [判断题]起重作业前，应做好安全预测，对可能出现事故，采取有效预防措施，制定应急处置对策.
A.正确 B.错误 [填空题]What was the most popular mix about the United States in the 19th century was that of the free and simple life of the farmer. It was said that the farmers worked hard on their own land to{{U}} (36) {{/U}}whatever their families’ needed. They might sometimes trade with their neighbors, but in general they could get along just fine by relying on themselves, not on{{U}} (37) {{/U}}ties with others. This is how Thomas Jefferson{{U}} (38) {{/U}} the farmers at the beginning of the 19th century. And at that time, this may have been close to the truth especially on the{{U}} (39) {{/U}}. But by the mid century sweeping changes in{{U}} (40) {{/U}}were well under way as farmers began to specialize in the raising of crops such as cotton or corn or wheat. By late in the century {{U}} (41) {{/U}}inventions in farm{{U}} (42) {{/U}}has vastly increased the production of specialized crops and {{U}} (43) {{/U}}network of railroads had linked farmers throughout the country to market in the
[单项选择]下列说法中，正确的一项是
A. Java语言是以类为程序的基本单位的 B. Java语言是不分大小写的 C. 多行注释语句必须以//开始 D. 在Java语言中，类的源文件名和该类名可以不相同 [判断题]固定资产的人账价值中应当包括企业为取得固定资产而交纳的契税、耕地占用税、车辆购置税等相关税金。（ ）
[单选题]尺寸链中封闭环公差等于（ ）。
A.增环公差 B.减环公差 C.各组成环公差之和 [单选题]下列选项中，（ ）不是直流穿墙套管的组成部分。
A.导体（杆） B.绝缘部分 C.金属法兰 D.分接开关 [多选题]测量光纤损耗的方法有（ ）
A.插入法 B.后向散射法 C.截断法 D.以上都可以 [填空题]如将额定电压为220/110V的变压器的低压边误接到220V电压，则激磁电流将（），变压器将（）
[多项选择]如果被审计单位的某项不属于旨在减轻特别风险的控制在上次审计时被认为设计合理、执行有效，注册会计师在本期审计中可以根据职业判断决定减少或不对该项内部控制进行测试而加以直接利用。但当出现下列( )情况时，注册会计师应当缩短再次测试控制的时间间隔或完全不信赖以前审计获取的审计证据。
A. 执行控制程序的人员发生变动 B. 所控制的业务性质发生了变化 C. 重大错报风险较前期有所降低 D. 对控制的拟信赖程度有所降低 [判断题]生产经营单位必须为从业人员提供符合国家标准或者行业标准的劳动防护用品,并监督、教育从业人员按照使用规则佩戴、使用。( )
A.正确 B.错误 [多项选择]关于国际开发机构发行人民币债券，下列说法错误的有( )。
A. 发行人发行人民币债券所筹集的资金，应用于中国境内项目，不得换成外汇转移至境外 B. 发行人应在人民币债券发行目前1个月内，为发债募集的资金开立居民人民币专用账户 C. 发行人须在每季度末向国家外汇管理局报送运用人民币债券资金发放及回收人民币贷款、投资明细表 D. 国际开发机构发行人民币债券工作文本语言应为英文 E. 国际开发机构在中国境内发行人民币债券，发生违约或其他纠纷时，适用中国法律 F. 人民币债券发行结束后，经相关市场监督管理部门批准，可以交易流通 [判断题]供电方作业人员应检查客户工作票中所列技术措施是否正确完备，是否符合现场实际条件，必要时予以补充完善。
A.正确 B.错误 我来回答: 提交
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