第6部分：完形填空(第51——65题，每题1分，共15分)
下面的短文有15处空白，请根据短文内容为每处空白确定1个最佳选项。
An Intelligent Car
Driving needs sharp eyes, keen ears, quick brain, and ______ (51) between hands and the brain. Many human drivers have all these and can control a fast-moving car. But how does an intelligent car control itself?
There is a virtual driver in the smart car. This virtual driver has “eyes”, “brains”, “hands” and “feet”, too. The minicameras______ (52) each side of the car are his “eyes”, which ______ (53) the road conditions ahead of it. They watch the traffic to the car’s left and right. There is also a highly______ (54) driving system in the car. It is the built-in computer, which is the virtual driver’s “brain”. His “brain” calculates the speeds of ______ (55) moving cars near it and analyzes their positions. ______ (56) on this information, it chooses the right path for the intelligent car, and gives______ (57) to the “hands” and “feet” to act ______ (58). In this way, the virtual driver controls his car.
What is the virtual driver’s best advantage? He reacts quickly. The minicameras are ______ (59) images continuously to the “brain”. It ______ (60) the processing of the images within 100 milliseconds. However, the world’s best driver ______ (61) needs one second to react. ______ (62), when he takes action, he needs one more second.
The virtual driver is really wonderful. He can reduce the accident ______ (63) considerably on expressways. In this case, can we let him have the wheel at any time and in any place? Experts ______ (64) that we cannot do that just yet. His ability to recognize things is still ______ (65). He can now only drive an intelligent car on expressways.
51. A. coordination B. cooperation C. compensation D. condition
52. A. within B. above C. to D. on
53. A. compete B. observe C. offend D. consent
54. A. mechanical B. movable C. automatic D. electronic
55. A. another B. other C. each other D. one another
56. A. Based B. Bases C. Had basing D. Basing
57. A. space B. locations C. instructions D. time
58. A. accordingly B. cleverly C. virtually D. safely
59. A. bringing B. taking C. sending D. carrying
60. A. selects B. completes C. uses D. tests
61. A. at 1east B. at most C. at last D. at best
62. A. So B. However C. Besides D. Therefore
63. A. count B. amongst C. digit D. rate
64. A. warn B. suggest C. invite D. check
65. A. unknown B. few C. untested D. limited