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1、 1/5 阅读理解 C-高考真题全方位解析+二次开发(学生版)2022 年高考乙卷 Can a small group of drones(无人机)guarantee the safety and reliability of railways and,at the same time,help railway operators save billions of euros each year?That is the very likely future of applying todays“eyes in the sky”technology to making sure that the
2、 millions of kilometres of rail tracks and infrastructure(基础设施)worldwide are safe for trains on a 24/7 basis.Drones are already being used to examine high-tension electrical lines.They could do precisely the same thing to inspect railway lines and other vital aspects of rail infrastructure such as t
3、he correct position of railway tracks and switching points.The more regularly they can be inspected,the more railway safety,reliability and on-time performance will be improved.Costs would be cut and operations would be more efficient(高效)across the board.That includes huge savings in maintenance cos
4、ts and better protection of railway personnel safety.It is calculated that European railways alone spend approximately 20 billion euros a year on maintenance,including sending maintenance staff,often at night,to inspect and repair the rail infrastructure.That can be dangerous work that could be avoi
5、ded with drones assisting the crews efforts.By using the latest technologies,drones could also start providing higher-value services for railways,detecting faults in the rail or switches,before they can cause any safety problems.To perform these tasks,drones for rail dont need to be flying overhead.
6、Engineers are now working on a new concept:the rail drones of the future.They will be moving on the track ahead of the train,and programmed to run autonomously.Very small drones with advanced sensors and AI and travelling ahead of the train could guide it like a co-pilot.With their ability to see ah
7、ead,they could signal any problem,so that fast-moving trains would be able to react in time.2/5 28What makes the application of drones to rail lines possible?A.The use of drones in checking on power lines.B.Drones ability to work at high altitudes.C.The reduction of cost in designing drones.D.Drones
8、 reliable performance in remote areas.29What does maintenance underlined in paragraph 3 refer to?A.Personnel safety.B.Assistance from drones.C.Inspection and repair.D.Construction of infrastructure.30What function is expected of the rail drones?A.To provide early warning.B.To make trains run automat
9、ically.C.To earn profits for the crews.D.To accelerate transportation.3/5 31Which is the most suitable title for the text?A.What Faults Can Be Detected with Drones B.How Production of Drones Can Be Expanded C.What Difficulty Drone Development Will Face D.How Drones Will Change the Future of Railways
10、 4/5 拓展练习 一、词汇积累 1.reliability 词性_ 词义_ 2.operators 词性_ 词义_ 3.worldwide 词性_ 词义_ 4.aspects 词性_ 词义_ 5.personnel 词性_ 词义_ 6.approximately 词性_ 词义_ 7.concept 词性_ 词义_ 8.autonomously 词性_ 词义_ 9.sensor 词性_ 词义_ 10.overhead 词性_ 词义_ 二、核心词汇（或短语）的同义替换 1.approximately=_ 2.inspect=_ 3.precisely=_ 2.The heating is on
11、a time switch.3.The selection of switch and throat arrangement has a great impact on the operation efficiency and is unchangeable like bridge and tunnel engineering.4.Dont touch the machine button,the electric switch,or connecting the electric wire without permission.alone a.adv.独自 b.adv.仅仅 c.adj.独自
12、的 1.They are not alone.2.Human beings are immortal,not because he alone has a say in all things,but because he has a soul,a spirit of compassion,sacrifice,and endurance.3.Until now I have always lived alone.五、作文素材积累 With their ability to see ahead,they could signal any problem,so that fast-moving tr
13、ains would be able to react in time.5/5 三、词形变化（派生词）1.reliability n.可靠性 _adj.可靠的 _v.依赖 2.operator n.运行者 _v.操作 _ adj.操作的 3.regularly adv.定期地 _ adj.定期的 4.autonomously adv.自主地 _ adj.自主的 _ n.自治 5.automatically adv.自动地 _ adj.自动的 _ n.自动化 四、一词多义 switch a.n.开关 b.n.铁路道岔 c.n.电闸 d.v.转变 1.To keep fit,you can switch to morning or lunchtime exercise.【赏析】1.With 伴随结构 2.so that 目的状语从句【译文】_【仿写】1.南瓜放在桌子上，洞口在最上面，我弯下腰，把头压在洞口。_ 2.你能不能为我们搞到些免费的票？_