大家熟背本文的这些句子，可以帮助考生们在考试时候灵活地运用，也可以在潜移默化中提升大家造句子的能力，可以说是有利而无害的。
41. Television violence has contributed directly to rising crime , as evidenced by statistics showing a dramatic rise in copycat crimes .
数据显示模仿的犯罪行为有大幅度的增加，这证明电视暴力是犯罪增加的一部分直接原因。
42. The introduction of adcance agronomic techniques has contributed greatly to the development of agriculture , as indicated by statistics showing increased output in each of the past five years .
数据显示在过去的五年中，每一年的产量都有提高，这表明发达的农业技术的引入对农业发展起到了很大的作用。
43. While it may appear that the gap between rich and poor people is narrowing somewhat , recently released evidence suggests that the opposite is true .
贫富之间的差距看似有一定的缩小，但是最近发布的证据表明事实正好相反。
44. While attaining world peace remains within the realm of possibility , the prevailing trend revolves around regional conflicts and internal strife in many countries .
获得世界和平是有可能的，但是普遍的趋势是存在地区冲突和许多国家内部的斗争。
45. Although statistics are quite often far less reliable than one might wish , other reliable information allows one to closely approximate industrial output figures .
尽管数据经常比人们希望的不可靠得多，但是，其他可靠的信息使人们能得到接近工业产量的数字。
46. Although random sampling used for many surveys fails to cover large segments of the population , the procedure nonetheless offers insight into voting and consumption patterns .
虽然许多调查所用的随机取样不能覆盖大部分人口，但是这一过程使人们能更深刻地理解选举和消费的模式。
47. The need for more government services has proved to be the case time and again .
事实多次证明需要更多的政府服务工作。
48. The funny thing about marriage is that the newness soon wears off .
婚姻的一个可笑之处是新鲜感马上就没有了。
49. There are instances when one must abandon the tendency for self-prevention in order to assist a person in grave danger .
存在这样的情况：为了帮助处于严重危险中的人，一个人必需抛弃自保的倾向。
50. There are situations in which it's highly advisable for a person to control his/her temper and keep his/her mouth shut .
有些情况下，一个人控制住自己的脾气并保持沉默是明智的。
大家使用的时候，千万不能生搬硬套，要根据自己的文章和观点恰当使用。
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