Joe Coyne slides into the driver’s
seat, starts up the car and heads to town. The empty stretch of interstate gives
way to urban congestion, and Coyne hits the brakes as a pedestrian suddenly
crosses the street in front of him. But even if he hadn’t stopped in time, the woman would have been safe. She isn’t real. Neither is the town. And Coyne isn’t really driving. Coyne is demonstrating a computerized driving simulator that is helping researchers at Old Dominion University (ODU) examine how in-vehicle guidance systems affect the person behind the wheel. The researchers want to know if such systems, which give audible or written directions, are too distracting—or whether any distractions are offset by the benefits drivers get from having help finding their way in unfamiliar locations. "We’re looking at the performance and m A. If Coyne had stopped the car in time, he wouldn’t have hit the woman. B. The woman would have been knocked over, if Coyne had followed the traffic regulations. C. Coyne is not really driving so it is impossible for him to have hit the woman. D. If the woman had not crossed the street suddenly, Coyne would not have hit her. [单选题]压力表是指示容器内介质压力的仪表,是压力容器的重要安全装置,压力容器广泛采用的是各种类型的()压力计。
A.液柱式 B.活塞式 C.弹性元件式 D.电量式 [判断题]复曲线两曲线轨距加宽按2‰递减,其终点间的直线长度不应短于10m。不足10m时,如直线部分的两轨距加宽相等,则直线部分保留相等的加宽,如不相等,则直线部分从较大轨距加宽向较小轨距加宽均匀递减。
A.正确 B.错误 [单选题]经过复议后,谁不可能作为原告提起行政诉讼?()
A.如果维持原决定,申某有权提起行政诉讼 B.如果维持原决定,崔某有权提起行政诉讼 C.如果改变原决定,土地管理员刘某有权提起行政诉讼 D.如果改变原决定,吴某有权提起行政诉讼 [单选题]中枢神经系统的组成包括
A.脑神经和脊神经 B.B.脑和脊髓 C.C.大脑和小脑 D.D.脑和脑神经 E.E.延髓和脊髓 [单选题] 关于传声器的技术指标,下面_( )____叙说是不正确的。
A.全向形传声器适宜用在不特意拾取某种特定方向声音的场合 B.专业动圈式传声器比专业电容式传声器的频率响应低 C.采用高灵敏度的传声器,可获得较高的信噪比 D.高阻抗传声器灵敏度较高,适合远距离使用 [单项选择]若空调毛细管过长过细,将造成()。
A. 高压过高,低压过低 B. 高压过低,低压过高 C. 高压过低,低压过低 D. 高压过高,低压过高 [单项选择]钩虫病的主要症状()
A. 慢性贫血 B. 胆道并发症和肠梗阻 C. 肛门周围及会阴部奇痒 D. 发热、皮疹、水肿、肌痛 E. 腹泻,便血 [多选题]辅助线包括()渡线、安全线、存车线等
A.折返线 B.联络线 C.备用线 D.出入段线 E.维修线 [单选题]差分GPS基准台由______组成。(89748:第07章航海仪器:283)
A.注入站、通信站与协调站 B.接收机部分、数据处理部分与发射机部分 C.跟踪站、注入站与协调站 D.注入站、主控站与跟踪站 我来回答: 提交
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