Question

根据短文内容，从下面方框中选择适当的选项补全短文。

Don’t be too surprised if you see a car going down the road without a driver in Beijing these days.  1.Last month, Baidu began to test its self-driving cars on open roads in Beijing.

Self-driving cars began to develop in 2010. Since then, companies like Tesla, Uber and Baidu have been working to produce and test their own self-driving cars.

Self-driving cars are safer than regular cars. 2.They can remove the stress of driving and allow disabled or blind people to get around more easily.

3.In one test, researchers pointed a laser pointer(激光棒) at the car's sensors(传感器) while it was moving. The car mistakenly thought that the laser beam was in its way and slowed down or changed the direction. The software that is used to direct the cars may not be safe enough. 4.When we use our computers or smart phones, they sometimes crash (崩溃)  without any reason. But if this happened to a self-driving car, the results could be deadly. Improvements to the software could be a solution to this problem.

A．At times, it may break down.

B．But self-driving cars have their own problems as well.

C．And they are more environmentally friendly than regular cars.

D．It might be one of Baidu’s self-driving cars

Answer

1.D

2.C

3.B

4.A

【解析】

这篇短文给我们介绍的是自动驾驶汽车，这种汽车里安装有软件，可以指导汽车的运行。与普通汽车相比，它有很多的好处，如更加安全、环保、让残疾人可以更加轻松地四处活动等。但同时它也有它的不足之处。

1.根据下句话Last month，Baidu began to test its self-driving cars on open roads in Beijing.可知，上个月百度开始在北京的开放道路上测试其自动驾驶汽车。由此可知，前一句话提到的you see a car going down the road without a driver in Beijing指的就是百度的自动驾驶汽车，故应选D。

2.根据前后文Self-driving cars are safer than regular cars.和They can remove the stress of driving and allow disabled or blind people to get around more easily.可知这一段主要介绍无人驾驶车比常规的车子更好。结合语境，故选C。

3.根据后文The car mistakenly thought that the laser beam was in its way and slowed down or changed the direction. The software that is used to direct the cars may not be safe enough.可知这一段主要介绍无人驾驶车的缺点，故选B。

4.根据上句话The software that is used to direct the cars may not be safe enough.可知，这里说的是”用于引导汽车的软件可能不够安全”；下文提到When we use our computers or smartphones，they sometimes crash（崩溃）without any reason.But if this happened to a self-driving car，the results could be deadly.，我们的手机或者电脑有时候会崩溃，这对于自动驾驶汽车来说是致命的，所以自动驾驶汽车也可能会出故障，故这里应选A。