Heroes are catalysts(催化剂) for change. They have a vision from the mountaintop. They have the skill and the charm to move the masses. They create new possibilities. Without Gandhi, India might still be part of the British Empire. Without Rosa Parks and Martin Luther King, Jr., we might still have segregated(实行种族隔离的) buses, restaurants, and parks. It may be possible for large-scale change to occur without leaders with magnetic personalities, but the pace of change would be slow, the vision uncertain, and the committee meetings endless.

　　6. Heroes may come from different cultures, but they_______.
　　A．generally share some inspiring characteristics
　　B．probably share some weaknesses of ordinary people
　　C．are often influenced by their previous generations
　　D． are often pursued by a large number of fans

　　7. According to the passage, heroes are compared to high-voltage transformers in that___________.
　　A．they have a vision from the mountaintop
　　B．they have warm feelings and emotions
　　C．they can serve as concrete examples of noble strengths
　　D．they can make people feel stronger and more enthusiastic

　　8. Madonna and Michael Jackson are NOT considered heroes because_________.
　　A．they do not improve their fans morally
　　B．they are popular only with certain groups of people
　　C．their primary concern is their own financial interests
　　D．they are not clear about what principles they should follow

　　9. Gandhi and Martin Luther King are examples of outstanding leaders who________.
　　A．are good at demonstrating their charming characters
　　B．are capable of meeting all challenges and hardships
　　C．can bring about social changes in their nations
　　D．can change the whole world with their skills and charms

　　10. The author concludes that historical changes would________.
　　A．be delayed without leaders with inspiring personal qualities
　　B．not occur without heroes making the necessary sacrifices
　　C．take place if there were heroes to lead the people
　　D．produce leaders with attractive personalities

　　Passage 3

　　Questions 11 to 15 are based on the following passage.

　　Homing pigeons are placed in a training program from about the time they are twenty-eight days of age. They are taught to enter the loft(鸽房) through a trap and to exercise above and around the loft, and gradually they are taken away for short distances in baskets and released. They are then expected to find their way home in the shortest possible time.

　　In their training flights or in actual races, the birds are taken to pre-arranged distant points and released to find their way back to their own lofts. Once the birds are liberated, their owners, who are standing by at the home lofts, anxiously watch the sky for their return. Since time is of the essence, the speed with which the birds can be directed to enter the loft trap may make the difference between gaining a win and a second place.

　　The head of a homing pigeon is comparatively small, but its brain is one quarter larger than that of the ordinary pigeon. The homing pigeon is very intelligent and some have been known to fly a hundred miles off course to avoid a storm.

　　Some homing pigeon experts claim that this bird is gifted with a form of built-in radar that helps it find its own loft after hours of flight, for the birds have two very sensitive ears hidden under the head feathers, while the sharp, prominent eyes can see great distances in daytime.

　　Why do homing pigeons fly home? They are not unique in this inherent skill; it is found in most migratory birds(候鸟), and in bees, ants, toads and even turtles, which have been known to travel hundreds of miles to return to their homes. But in the animal world, the homing pigeon can be trusted with its freedom and trained to carry out the missions that people demand.

　　11. What is the purpose of this passage?
　　A．To persuade the reader to buy a homing pigeon.
　　B．To inform the reader of homing pigeons and their training. 转贴于：自考_考试大

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