An Intelligent Car
Driving needs sharp eyes, keen ears, quick brain, and coordination between hands and the brain. Many human drivers have all ____1____ and can control a fast-moving car. But how does an intelligent car control itself?
There is a virtual driver1 in the smart car. This virtual driver1 has “eyes”, “brains”, “hands” and “feet”, too. The minicameras ____2____ each side of the car are his “eyes”, which observe the road conditions ahead of it. They watch the ____3____ to the car’s left and right. There is also a highly ____4____ driving system in the car. It is the built-in computer, which is the virtual driver’s “brain”. His “brain” calculates the speeds of ____5____ moving cars near it and analyzes their positions. Basing on this information2, it chooses the right ____6____ for the intelligent car, and gives ____7____ to the “hands” and “feet” to act accordingly. In this way, the virtual driver controls his car.
What is the virsual driver’s best advantage3? He reacts ____8____. The minicameras are ____9____ images continuously to the “brain.” It ____10____ the processing of the images within 100 milliseconds. However. the world’s best driver ____11____ needs one second to react. ____12____, when he takes action, he needs one more second.
The virtual driver is really wonderful. He can reduce the accident ____13____ considerably on expressways. In this case, can we let him have the wheel4 at any time and in any place? Experts ____14____ that we cannot do that5 just yet6. His ability to recognize things is still ____15____. He can now only drive an intelligent car on expressways.
詞匯：
coordination / k??,?:d?'ne??n / n.協(xié)調(diào)，協(xié)同
virtual / 'v??tj??l / adj.虛擬的
minicamera n.微型相機(jī)
accordingly / ?'k??d??l? / adv.相應(yīng)地
millisecond / 'm?l?,sek?nd / n.毫秒
expressway / ?k'spreswe? / n.高速公路
注釋：
1.virtual driver：虛擬駕駛員
2.Basing on this information：基于這些信息。Basing on this information是現(xiàn)在分詞短語(yǔ)，用作狀語(yǔ)。
3.best advantage：的優(yōu)點(diǎn)
4.have the wheel：掌握方向盤(pán)，也就是“駕駛汽車(chē)”的意思。
5.that：that替代上一句的“l(fā)et him have the wheel at any time and in any place”。
6.just yet：迄今還。yet意為“迄今還”，常用于否定句中。just修飾yet，起強(qiáng)調(diào)的作用。
練習(xí)：
1. A these B them C this D that
2.A within B above C to D on
3.A police B traffic C trucks D buses
4.A mechanical B movable C automatic D electronic
5.A another B other C each other D one another
6.A line B lane C track D path
7.A space B locations C instructions D time
8.A quickly B cleverly C virtually D safely
9.A bringing B taking C sending D carrying
10.A selects B completes C uses D tests
11.A at least B at most C at last D at best
12.A So B However C Besides D Therefore
13.A count B amount C digit D rate
14.A warn B suggest C invite D check
15.A unknown B few C untested D limited