step_by_step3000第三冊unit9答案及原文.doc

Unit 9 ways to Travel Part I Warming upA1. This news item is about Boeings 18 billion new orders this year for its new 777 jetliner.2. This news item is about possible mergers between airlines. A2 Tapescript:1. Boeing, the worlds leading commercial airplane maker, announced it has 18 billion dollars in new orders this year for its new 777 jetliner. This figure puts demand for the Boeing aircraft ahead of comparable models produced by rival Airbus of Europe. 2. British Airways and Dutch carrier KLM confirm they are in act of merger talks. Swiss Air won approval for taking majority control of Belgiums Sabena Airlines and there was another flurry of take-over discussions among some major American carriers. They come on the heels of number one United Airlines offer to buy number six U. S. Airways two weeks ago. The nations number two, American Airlines, and the countrys third largest, Delta, have been having what are described as preliminary discussions about a possible combination. American had reportedly been talking with Northwest about a hook up as well. The top three U.S. airlines, United, American and Delta currently control 56 percent of U.S. air traffic. If the mergers go through, theyd control 85 percent. B Monorail1. Monorail systems rely on a very simple technology: rubber-tired cars riding on a narrow concrete guide-way.2. Monorail systems are capable of speeds of 65 miles per hour and offer ride quality comparable to conventional rail transit technologies.3. Monorail systems are safe and more environmentally sensitive than any other elevated transit technology.4. And noise and neighborhood disruption caused by monorail construction are dramatically lower than other forms of mass transit.Maglev1. One of the most exiting recent innovations in railroad technology is magnetic levitation, or Maglev, which relies on the principle of magnetism -- attraction and repulsion.2. This new technology will result in trains that are faster, smoother, more