大学英语四级阅读难点关键句140句

47、磨擦的结果是，在叶面上服从正态分布的地方就会产生两种分布方式，顶点上主要是小块，其他的地方是小块，其他的地方是大块的地方。

48、圣经没有告诉我们罗马的数据统计者们怎样达到我们今天的经济预测的可靠性的，我们进一步思考的话，其中的意见上有很大的不同。

49、在英国进行的一项调查证实经常接受X光照射的脊椎关节炎患者癌症的百分比高得不正常。 50、然而，穿过太空的港湾，那里的意识对于我们的来说就像我们的意识比动物的意识一样，冷酷广博而无情的智慧，用嫉妒的眼睛看作地球，慢慢地肯定会制定针对我们的计划。

51、即使是学术界被长时间认作必须“同盟卡”的博士学位，现在也因为仅仅为了学习本身和知识的累积而学习，却不把知识应用到教授的教学职责中去而受到了严厉的批评。

52、尽管收集必要的信息对于两者来说都是需要的，但官员必须以中立和清晰的态度来提供事实的画面，而艺术家从已设字的信息或者态度开始，并将其过用激发读者共鸣和情绪反应的词语描写的动用细节描述出来。

53、流行期刊中甚至有文章批评国民生产总值，因为它并不是一个福利目录，一方面忽视了它从来就没有这种倾向，另一方面的建议是通过正确的改变它才能被转化过来。

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54、其他的实验揭示神经细胞的大小、数量、排列和连接的细微变化，但就神经关联而言，这些感觉区域的相似性比那些细微的区别更有意义可言。

55、中国向农民和其它农村住户发放了宣传刊物，指导他们观察动物，以便每户人家都能参与帮助地震预报。

56、星球大战防御系统的支持者们希望它不仅能保护一个遭受核攻击的国家，也希望它能成为使核攻击永不发生的足够威胁。

57、它也不能防止轨道在地球大气层以内的洲际导弹和轰炸机命中目标。

58、人民活动家一直认为黑人和拉丁美人难以在生意上立足的原因是因为他们难以取得大公司的大宗定单和分包合同。

59、她认为十九世纪给家庭经济作出贡献的孩子才“有用”的概念慢慢改变了，今天提到那些没有挣取收入的“无用”孩子，甚至还要花销很多，仍然在情感上被认为是无价的。

60、这种关于孩子的观点到19世纪时已在中上阶级中建立，并于19世纪末20世纪初在社会上广泛传播，当时改革者们推行童工规定和义务教育法，部分来源于孩子的情感价值的假设，这都使得使用童工被禁止了。

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61. Of course, it would be as dangerous to overreact to history by concluding that the majority must now be wrong about expansion as it would be to re-enact the response that greeted the suggestion that the continents had drifted.

62. While the fact of this consumer revolution is hardly in doubt, three key questions remain: who were the consumers? What were their motives? And what were the effect of the new demand for luxuries?

63. Although it has been possible to infer from the goods and services actually produced what manufacturers and servicing trades thought their customers wanted, only a study of relevant personal documents written by actual consumers will provide a precise picture of who wanted what.

64. With respect to their reasons for immigrating, Grassy does not deny their frequently noted fact that some of the immigrants of the 1630's, most notably the organizers and clergy, advanced religious explanations for departure, but he finds that such explanations usually assumed primacy only in retrospect.

65. If we take the age-and sex-specific unemployment rates that existed in 1956 (when the overall unemployment rate was 4.1 percent) and weight them by the age- and sex-specific shares of the labor force that prevail currently, the overall unemployment rate becomes 5 percent.

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66. He was puzzled that I did not want what was obviously a “ step up” toward what all Americans are taught to want when they grow up: money and power.

67. Unless productivity growth is unexpectedly large, however, the expansion of real output must eventually begin to slow down to the economy's larger run growth potential if generalized demand pressures on prices are to be avoided.

68. However, when investment flows primarily in one direction, as it generally does from industrial to developing countries, the seemingly reciprocal source-based restrictions produce revenue sacrifices primarily by the state receiving most of the foreign investment and producing most of the income—namely ,the developing country partner.

69. The pursuit of private interests with as little interference as possible from government was seen as the road to human happiness and progress rather than the public obligation and involvement in the collective community that emphasized by the Greeks.

70. The defense lawyer relied on long-standing principles governing the conduct of prosecuting attorneys: as quasi-judicial officers of the court they are under a duty not to prejudice a party's case through overzealous prosecution or to detract from the impartiality of courtroom atmosphere.

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