| 41. | Recently the New York Animal Medical Center made a study of 132 cats over a period of five months. |
| 最近，纽约动物医疗中心对132只猫进行了为期5个月的综合研究。
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| 42. | On the other hand, your stomach would turn at the idea of frying potatoes in animal fat -- the normally accepted practice in many northern countries. |
| 另一方面，你一想到动物油炸土豆就会反胃，但这在北方许多国家却是一种普通的烹任方法。
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| 43. | Only the Earth provides ideal conditions, and even here it has taken more than four billion years for plant and animal life to evolve. |
| 只有地球提供理想的条件，而即使在这里，植物和动物的进化也用了40亿年的时间。
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| 44. | Scientists discovered that this particular variety of rabbit ( and apparently no other animal ) was susceptible to a fatal virus disease, myxomatosis. |
| 科学家们发现，这种特殊品种的兔子（显然不包括别的动物）易患一种叫“多发性粘液瘤”的致命毒性疾病。
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| 45. | After all, all living creatures live by feeding on something else, whether it be plant or animal , dead or alive, and it is only by chance that such a fate is avoided. |
| 因为一切生物都是靠吃别的东西来活命的，不管这种东西是植物还是动物，死的还是活的，因此，生物偶尔才能避免被吃掉的命运。
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| 46. | and zoomorphic animal shapes ablaze with rea and gold and blue, symbols of courage, power, and cruelty, were portrayed to stir the imaginations of the superstitious sailors of the day. |
| 还有用红色、金黄色、蓝色绘制的光彩夺目的兽形图案，象征着勇敢、力量和残暴，以激起汉时崇尚迷信的水手们的想像。
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| 47. | Apart from moral considerations this is a stupid method of training, for it produces a resentful animal who at a later stage may well turn man-killer. |
| 且不说道义问题，这本身就是一种愚蠢的训练方法，因为这种方法训练会使动物反感，在以后某个时期可能会变成伤人的动物。
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| 48. | The first essential in elephant training is to assign to the animal a single mahout who will be entirely responsible for the job. |
| 驯象中至关生要的是指派一名专门的驯象员，全面负责这项工作。
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| 49. | Ervin, for all his affected distraction and homely manner, was a sharp, resourceful and intensely partisan political animal . |
| 尽管欧文装出一副满不在乎和貌不惊人的样子，但他却是一个敏锐，机智，而且极有门户之见的政治动物。
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| 50. | A pig is a domestic animal . |
| 猪是一种家畜。
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