【正文】 transmission speeds and improve voice quality. Other services China Tele, Jitong and China Mobile offer account transfer services. Users can transfer the remaining sum of money on one card to another card. Jitong and Net link their services with bank cards. One can enjoy IP39。s service without an IP card. Bank card users can make IP phone calls with their bank card numbers, so they needn39。t buy new IP cards and remember the new numbers again and again. As for customer service, China Tele, China Uni and China Mobile provide free hot line service, while Jitong and Net charge for their services. 60. What does the passage mainly talk about? A Organization of the five IP firms. B Difference between the five IP firms. C Foundation of China39。s five IP firms D Development of China39。s five IP firms 61. Which of the following is mentioned in the passage? A China Uni charges IDD calls more than the other four firms. B China Mobile39。s coverage is the least of the five firms. C China Tele accesses many more cities nationwide than the other four D China Net is the only one to be allowed to operate IP service 62. When enjoying IP service, A Jitong users needn39。t buy IP cards B China Tele users neeedn39。t buy new IP cards C Net users have to link with a bank D China Mobile users have to pay for their hot line service 63. If you want to access more foreign countries and regions with better voice quality, you39。d better choose IP card. A China Tele39。s B China Mobile39。s C China Net39。s D China Uni39。s (E) The purpose of the information superhighway is to provide remote electronic banking, schooling, shopping, taxpaying, chatting, game playing, video conferencing, movie ordering and medical diagnosing. Here39。s what it won39。t do: It won39。t remove the need to shop at stores, drive a car, visit friends, or do most of the things you normally do now. It might make many things you do easier and more convenient. Movies you now can get only at video stores will be available on your TV 24 hours a day. The information superhighway will carry all kinds of personal matters from your tastes in movies to your buying habits. How this information will be protected is one of the great unknowns. Computer hackers represent another threat (威脅 ). Last February, high tech marauders were able to steal thousands of passwords from Inter。 this would allow them to read hundreds of personal files, including Email. Such a breakin could result in anything from a small inconvenience to a loss of privacy. On the other hand, puterized systems give financial institutions (金融機構 ) and police stations much better tools for picking out patterns of criminal behavior. 64. According to the passage , the information superhighway can39。t be used for A education B conversation C going out dining D medical service of the following can be inferred from the passage? A The information superhighway will get rid of the need to shop at stores. B It is possible to do shopping through the information superhighway C The information superhighway can perform the operation in hospital D The information superhighway will do most of the things you normally do now. 66. From the passage we can learn that A it is hard to protect the privacy of superhighway users B superhighway has a thousand passwords C financial institutions can deal with criminal behavior D nobody knows your buying habits from the superhighway 67. In the fifth paragraph, the underlined word marauders means A operators B engineers C thieves D managers (F) The expression burning your bridges means acting in such a way that you destroy any chance of turning back or changing your decision. You can burn your bridges when you are offered a new job. Suppose, for example, that you decide to take the new job. You tell your old boss about your decision. You also tell him how glad you are to leave. With these words, you have burned your bridges. Your boss will never let you return to your old job. The expression burning your bridges gets its name from similar expression, burning your boats. Long ago, military ( connected with armies ) manders wanted to make it clear to their troops that victory was expected. To make this point, an invading (入侵 ) force would burn its boats after landing on an enemy shore. This made it impossible to retreat a withdraw (撤退 ) Only by defeating the enemy would the invading troops be able to return safely to their home country. In burning their boats, the invaders had burned their bridges home. Most people who burn their bridges today do not belong to the military. But like those armies, they move in a new direction with on chance of turning back. One part of a perso