2. 职称英语
  3. Horses are used in guarding herbs, carrying men in lands where there are no

Horses are used in guarding herbs, carrying men in lands where there are no

游客2024-12-01  7
问题     Horses are used in guarding herbs, carrying men in lands where there are no roads, and helping farmers work their land. Pigeons have long been used to carry messages. Wild animals from the jungles, forests and seas are very popular performers in circuses and moving pictures. People realize that, although animals may not have the same intelligence as human beings,they are smart enough to know certain things.
    Horses are also able to learn many things. Horses that are used for guard or police duty must learn never to be frightened of noises, traffic, and other disturbances. Racing horses are able to run much faster than other horses, but they are also quite high strong. Therefore, it is necessary for those people who train them to be very patient and understanding.
    Pigeons have a natural instinct to return home, even if they are very far away and the trip is hard or dangerous. Men utilize this homing instinct to send messages on small pieces of paper which are fastened to the pigeons’ backs or legs. In war time, pigeons have been known to fly as fast as 75 miles an hour and to cover distances of 500 to 600 miles. These homing pigeons begin their training when they are about four weeks old. After a few weeks they can begin flying and carrying messages. If all goes well, their flying career lasts about four years.
    Animals can learn to do many things that, while not necessarily useful, are very amusing to watch. In circuses, animals are taught to do the tricks that are most suitable for their physical and temperamental make - up. Lions and tigers can be taught to leap and spring gracefully when told to do so, or to stay in place on command. Elephants learn to walk in line, to stand on their hind legs, to lie on their sides, and to stand on their heads. They can also learn to dance.
    Once a trainer had an elephant and a tiger. After many weeks of living in the same cage, the two animals became accustomed to each other. Then the tiger was taught to jump on the elephant’s back. Both animals became so interested in the act as well as the praise and food they received after the act, that they forgot they were natural enemies. Later a lion was added to the act. This also took a lot of patient training. However, when the three animals grew accustomed to each other they made a most successful circus act. [br] Many animals can make circus act together not because ______.
选项 A、they become interested in the act
B、they can receive praise and food after the act
C、they become accustomed to each other
D、they are not the natural enemies
答案 D
解析 只要抓住文章中的关键词句，答案就容易找到。本题主要考查对文章最后一段的理解。A、B两项从文中“Both animals became…the act”找到，C项从文中最后一句可知正确，D项可很明显从文中判断错误，互为天敌的动物经过训练后也可以表演马戏，只是它们忘记了对方是自己的天敌。故选D。
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