完形填空(共10小题, 每小题2分，共20分)
根据短文内容，从A、B、C、D四个选项中选出一个能正确填入相应空格的最佳答案，并把答题卡上对应题目的答案标号涂黑。
What kind of car will we be driving in 2020? Rather different from the___31___we know today, with the next 12 years bringing greater changes than the past 60. The people who will be___32___the models of tomorrow believe that___33___problems may well increase the speed of the car’s development. Today they are students on the___34___design course at London’s Royal College of Art.
Their imagination is of a machine with three wheels instead of four, 35___powered, environmentally friendly , and able to drive itself along___36___roads equipped with built-in power supplies. Future cars will___37___their fuel during long journeys from power companies built into the road, or store it in small quantities for travelling in the street.
This view of the future car is___38___on a much more super road system, with strips built into motorways to supply power to vehicles passing along them. Cars will not need drivers, because computers will provide safe driving control and route finding. All the driver will have to do is to say where to go and the computer will do the rest. It will become___39___for cars to crash into one another. The___40___already exists for the car to become a true automobile in the future.
31. A. design           B. type                  C. colour                   D. size
32.A. studying         B. selling               C. buying                  D. designing
33. A. social            B. political              C. environmental        D. scientific
34. A. transport       B. industry             C. agriculture             D. spaceship
35. A. specially        B. chemically          C. automatically         D. electrically
36. A. modern         B. wide                   C. safe                      D. intelligent
37. A. take in          B. cut down             C. pick up                 D. gain over
38. A. based            B. built                  C. accepted               D. operated
39. A. possible          B. impossible           C. necessary            D. unnecessary
40. A. result             B. rule                   C. material                D. technology