阅读理解。 Researchers in Britain are driving the environmental movement to a new level. A team from the University of Warwick has built what it calls the world's first completely environmentally friendly Formula Three racing car. The car is made mainly of renewable materials, like plants and vegetables. The structure around the car is made from natural plant fibers and potatoes. The steering wheel (方向盘) is made from root vegetables like carrots. The engine uses bio-fuel made from vegetable oil and waste chocolate. The new racing car is extremely fast. The car has a top speed of two hundred fif kilometers an hour. And it can go from zero to ninety-five kilometers an hour in just two and a half seconds. The racing car meets all of the Formula Three racing requirements except for its biodiesel (生物柴油) engine. Automobile racing is one of the most widely watched sports in the world. But it is also considered one of the least friendly sports to the environment. Racing cars burn a lot of fuel, and create a lot of air pollution. In recent years, the racing industry has taken steps to protect the environment. More racing companies are now producing cars that use less energy. These cars produce less pollution than cars that depend on traditional fuel, like gasoline. Last month, the new racing car was set to run in its first competitive race at the Formula Three Championship Final at Brands Hatch. It would have been the first biodiesel-powered car to race at Formula Three. Current Formula Three rules let only gasoline-powered car to compete. Officials needed permission from all of the Formula Three racers for the biodiesel-powered car to compete. They were unable to contact one of the drivers, so the new racing car didn't appear in the . In test runs, the new racing car was the fifth fastest among the Formula Three race cars. Supporters are hoping to have the fuel problem solved in time to compete in the next season. 1. What's the second paragraph mainly about? A. What materials the new racing car is made of. B. Why researchers built the new racing car. C. The characteristics of the new racing car. D. The process of the new racing car being designed. 2. According to the passage, the of the new racing car doesn't meet the Formula Three racing requirements. A. speed B. appearance C. weight D. engine 3. It can be inferred from the passage that _____. A. the new racing car is the first environmentally friendly car B. automobile racing could be forbidden in the near future C. many people like to watch automobile racing D. the new racing car will be allowed to compete in the next season of Formula Three racing 4. In recent years, racing companies are producing cars that _____. A. burn more fuel B. go more quickly C. produce less pollution D. cost less money 5. Why didn't the new racing car compete at the Formula Three Championship Final last month? A. Because the new racing car still needs testing. B. Because officials needed each racer's permission but failed to contact one. C. Because there're some technical problems to be solved. D. Because few drivers think it is fast enough.