Motoring Technology 1.2 million road deaths worldwide occur each year, plus a further 50 million injuries. To reduce car crash rate, much research now is focused on safety and new fuels, though some electric vehicle and biofuel research aims at going faster. Traveling at speed has always been dangerous. One advanced area of research in motoring safety is the use of digital in-car assistants. They can ensure you don’t miss important road signs or fall asleep. Most crashes result from human and not mechanical faults. Some safety developments aim to improve your vision. Radar can spot obstacles in fog, while other technology "sees through" big vehicles blocking your view. And improvements to seat belts, pedal (脚踏)controls and A. reduce oil consumption B. remove the obstacles on the road C. call for help when one’s car crashes D. help drivers get out of a traffic jam [单项选择]
文化创新的作用,主要表现为() A. ①④ B. ①② C. ②③ D. ①③ [单选题]智能阀门定位器不能进行()组态。
A.报警值 B.作用方向 C.偏差大小 [单选题]关于子宫肌瘤的叙述错误的是( )
A.多发生于子宫平滑肌 B.常见的恶性肿瘤 C.可单发也可多发 D.多见于30岁到50岁女性 [判断题]有冲击地压的矿井应该制定具有针对性的专项预案。()
A.正确 B.错误 [单选题] 采矿权人在取得采矿许可证前,首次缴纳比例不得低于采矿权出让收益的( );剩余部分在采矿权有效期内分年度缴纳。
A. 40% B. 30% C. 20% D. 10% [单项选择]创建线程有两种方法,一种是继承线程类Thread,另一种是______。
A. 建立实现Runnable接口的类 B. 直接创建线程即可,无需实现任何接口 C. 建立实现Collection接口的类 D. 建立实现Thread接口的类 [单选题]导致出现咳声如犬吠,声音嘶哑,吸气困难的病因是
A.风邪与痰热搏结 B.久病肺气虚损 C.燥邪犯肺 D.阴虚疫毒攻喉 E.寒痰湿浊停肺 [单选题]塔式塔式起重机工作时,风速应低于( )级。
A.4 B.5 C.6 D.7 [判断题]涉及褒奖内容时,避免多用“你”而少用“我”。
A.正确 B.错误 [多选题]结肠手术前肠道准备( )
A. 术前2~3日进流质 B. 术前2~3日服用抗生素 C. 术前2日服用泻剂 D. 术前1日禁食 E. 手术前晚清洁灌肠 [判断题]正压式空气呼吸器的气瓶阀手轮顺时针旋转开启。( )
A.正确 B.错误 [单选题]二级重要电力客户至少应采用( )供电。
A.单电源; B.双回路; C.三电源; D.双电源。 [多选题]呼吸机相关性肺炎的诊断主要依
靠
A.胸部X线 B.胸部 CT C.痰菌培养阳性 D.血培养阳性 [单选题]截止阀是利用装在阀杆下面的( ),与阀体凸缘部分相配合来控制阀的启闭。
A.闸板 B.球心 C.阀盘 D.隔膜 我来回答: 提交
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