【题目】阅读理解
Self-driving vehicles will rely on cameras, sensors and artificial intelligence（AI）to recognize and respond to road and traffic conditions, but sensing is the most effective for objects and movement in the neighborhood of the vehicle. Not everything important in a car's environment will be caught by the vehicle's camera. Another vehicle approaching at high speed on a collision （碰撞）track might not be visible until it's too late. This is why vehicle-to-vehicle communication is undergoing rapid development. Our research shows that cars will need to be able to chat and cooperate on the road, although the technical challenges are considerable.
Applications for vehicle-to-vehicle communication range from vehicles driving together in a row, to safety messages about nearby emergency vehicles. Vehicles could alert each other to avoid collisions or share notices about passers-by and bicycles.
From as far as several hundred metres away, vehicles could exchange messages with one another or receive information from roadside units（RSUs）about nearby incidents or dangerous road conditions through 4G network A high level of A1 seems required for such vehicles, not only to self-drive from A to B, but also to react intelligently to messages received. Vehicles will need to plan, reason, strategize and adapt in the light of information received in real time and to carry out cooperative behaviours. For example, a group of autonomous vehicles might avoid a route together because of potential risks, or a vehicle could decide to drop someone off earlier due to messages received, a foreseen crowding ahead.
Further applications of vehicle-to-vehicle communication are still being researched, including how to perform cooperative behaviour.
（1）What is the first paragraph mainly about?
A.The reasons for the accidents by self-driving vehicles.
B.The research about applications for self-driving vehicles.
C.The importance of artificial intelligence of self-driving vehicles.
D.The reasons for developing communication between self-driving vehicles.
（2）What does the underlined word “alert” mean in Paragraph 2?
A.Alarm.
B.Condemn.
C.Ignore.
D.Govern.
（3）What can we learn about roadside units （RSUs）?
A.They classify the vehicles on the road.
B.They can improve bad road conditions.
C.They take over the passing vehicles.
D.They serve as efficient information stations.
（4）What is the best title for the text?
A.When do vehicles communicate?
B.The reasons why a high level of AI is important
C.Vehicle-to-vehicle communication is coming
D.What do applications for vehicle-to-vehicle communication need?
【答案】
（1）D
（2）A
（3）D
（4）C
【解析】本文是一篇说明文，介绍车对车通信即将来临。
（1）考查段落大意。根据第一段中的“This is why vehicle- to-vehicle communication is undergoing rapid development. Our research shows that cars will need to be able to chat and cooperate on the road, although the technical challenges are considerable.”可知第一段讲的是：发展自驾车车辆之间通信的原因。故选D。
（2）考查词义猜测。根据第二段中的“to safety messages about nearby emergency vehicles.”有关附近紧急车辆的安全信息。可知车辆之间可以互相提醒，避免碰撞或分享有关通知。由此可知划线词的意思是“提醒，报警”，故选A。
（3）考查推理判断。根据第三段中的“From as far as several hundred metres away, vehicles could exchange messages with one another or receive information from roadside units (RSUs) about nearby incidents or dangerous road conditions through 4G network.”可知它们是有效的信息站。故选D。
（4）考查主旨大意。根据最后一段中的“Further applications of vehicle-to-vehicle communication are still being researched, including how to perform cooperative behaviour.”可知车对车通信即将来临。故选C。
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