66. Two major factors contributed to devastating summer flooding along the Yangtze River and its tributaries . First ， erosion resulting from excessive deforestation in the upper reaches of the river and ， second ，heavy silting which raised the riverbed in the main channel .
两个主要因素导致了夏季长江及其支流的特大洪水。第一，过度砍伐引起的河流上游的侵蚀，第二，严重的泥沙淤积抬高了主干道的河床。
67. Greed and a total lack of social consciousness have been cited as major reasons for the dramatic rise corruption .
人们认为贪婪和社会意识的彻底缺乏是造成腐败急剧增加的主要原因。
68. There are several reasons for the marked increase in China's crime rate-the dramatic influx of itinerant workers in urban areas ; declining social values ; and widening disparities between the haves and have-nots .
中国的犯罪率显著升高有很多原因――城区大量流动工人的涌入;社会价值的贬低以及贫富之间日益扩大的差距。
69. Why are an increasing number of elderly Chinese parents living apart from their children ? One reason is the increasing upward mobility of the younger generation . Another is expanding social opportunities for the elderly . Perhaps the main reason ， however ， centers on dramatic changes in traditional concepts .
为什么越来越多的中国老人不和他们的孩子住在一起?原因之一是年轻一代的上进心增强了。另一个原因是社会上老人的机会增加了。然而，主要的原因可能是传统观念发生了巨大变化。
70. What has sparked the increasing interest in exercise ? For one thing ， people have gained a greater awareness of the need for physical fitness . For another ， the constantly improving standard of living enables Chinese people to patronize the increasing number of recreational venues . The main thing perhaps centers on the healthcare and psychological benefits exercise provides .
什么引发了人们对锻炼越来越浓的兴趣?一方面，人们更加清楚地意识到保持身体健康的必要性。另一方面，不断提高的生活水平使中国人能够支付增加的娱乐支出。最主要的可能在于锻炼带来的保健和心理上的好处。
71. Identifying the reasons for an emerging phenomenon which involves several complicated factors is far from an easy task . For example ， some scientists attribute environmental deterioration to a series of natural factors ， while others place the blame solely on inappropriate human behavior .
要找到涉及许多复杂因素的新现象的原因远非一件易事。例如，一些科学家把环境的恶化归结为一些自然因素，而另一些人把责任都推在人类不适当的行为上。
72. One doesn't have to look far to realize the direct correlation between smoking and cancer .
人们不用花费很大力气就能发现抽烟和癌症之间的直接联系。
73. The explanation for the phenomenon of the rising teenage suicide rate involves many complicated factors . Some attribute the rise to an overemphasis on early success ， others point to mounting peer pressure ， and still others to confusion over changing social values .
对上升的少年自杀率的解释涉及很多复杂的因素。有的人把上升的原因归结为过分强调少年时期的成功，有的人指出是因为不断增长的同伴之间的压力，还有人认为是对不断变化的社会价值的迷茫造成的。
74. The reasons for antisocial behavior are both complicated and varied . I suggest the phenomenon results from inappropriate role models and the lack of well-defined norms of behavior . However ， the main reason is quite likely the continuing degeneration of social values .
反社会行为的原因既复杂又多样。我认为这种现象是不恰当的角色典型和缺少行为规范的很好的定义造成的。然而，主要原因很可能是不断贬低的社会价值。
75. The causes of racial hatred are not readily definable . Sociologists ， however ， attribute them to the misguided concept of a superior race and an innate mistrust of people of color . Perhaps the main cause is quite simply ignorance .
种族仇恨的起因没有现成的答案。然而，社会学家把原因归结为被误导的更高贵的种族的观念以及天生的对有色人种的不信任。主要原因可能仅仅是因为无知。
76. The scourge of HIV/AIDS currently engulfing the world will quite likely be brought under control within the next few years thanks to the untiring efforts of scientists and researchers worldwide .
现在席卷世界的艾滋病的祸害很有可能由于全世界科学家和研究人员的不懈努力在未来几年内得到控制。
77. The incidence rate of cancer mainly stems from several factors ， including inappropriate diets ， poor healthcare practices and the lack of early detection . Continuing medical advances and rising awareness do ， however ， offer promising hope for the future .
癌症的发病率主要由以下诸多因素引起，包括不适当的饮食、不好的保健习惯以及没有及早发现。然而，医学的不断进步和对此不断增强的关注给未来带来了很大的希望。
78. Increased urban pollution levels and the mounting death toll from motor vehicles accidents can mainly be attributed to the glut of automobiles appearing on city roads in recent years . Detrimental factors will quite likely outweigh the benefits of rising automobile usage .
城市人口的增长和车祸中死亡率的增加主要是由于近年内充斥城市道路的汽车。汽车使用量的增加带来的有害因素很有可能超过它的好处。
79. The rising divorce rate in China can ， at least in part ， be attributed to spousal incompatibility ， disparities in education levels ， changing social attitudes and the increasing upward mobility of the younger generation .
中国上升的离婚率可以，至少部分可以归结为婚姻的不和谐，受教育水平的差异，变化的社会看法以及年轻一代不断增强的上进心。
80. State-owned enterprises are not only failing because of inefficient management ， but also because of their inability to awitch operational modes from the former planned economy to the new market economy .
国有企业失败不仅由于低效的管理，也因为他们不能实现从以前的计划经济到新的市场经济的运作模式的转换。
81. Although we do not know the long-term consequences of separation or deprivation ， we do know that they can produce acute immediate distress .
虽然我们不知道分离和丧失亲人的长期后果，但我们知道它们能立即引起剧烈的悲痛。
82. One can raedily trace the disappearance of dinosaurs to a major cataclysmic event .
人们很容易把恐龙消失的原因归结为重大的灾难性事件。
83. The raesons for poverty are many ， but for the most part center on illiteracy ， the lack of opportunities and in some cases pure laziness .
贫困的原因很多，但主要是因为缺少教育、缺少机会，有的情况下纯粹是由于懒惰。
84. Child development depends on a number of factors ， both physical and psychological . Correct parental nurturing from infancy through adolescence determines both the physical and mental profile of a mature individual .
儿童的发展取决于很多因素，包括生理的和心理的。从婴儿期到青春期的正确的家长教育决定一个成熟的个人的体质及智力的状况。
85. Factors such as self-condidence and ambition ， combined with determination and willpower ， contribute to eventual success or failure .
自信、雄心，加上决心和毅力等因素是造成最终的成功或失败的原因。
86. Various factors will weigh heavily on China's eventual entry into the World Trade Organization ( WTO ) . One centers on the total abandonment of protectionism ， and the other on the adoption of generally accepted international accounting norms .
许多因素对中国最终加入世界贸易组织(WTO)有很大的影响。因素之一是彻底放弃保护主义，另一个因素是采用普遍接受的国际会计规范。
87. One of the most common failures of people today is to avoid telling the truth . People must realize that avoidance and lying have never in the past and ， in fact ， never will right a wrong .
如今人类最常见的一个不足是不说真话。人们必须意识到不说真话、说谎话在过去没有，事实上，将来也永远不会变错误为正确。
88. Central planning has ， at least in part ， been blamed for the current demise of state-owned enterprises . Perhaps ， however ， the greatest blame should be placed on factors such as grossly inefficient management ; the rampant practice of “ guanxi ” ， cronyism and nepotism ; excessively large work forces ; abuses of social benefits ; and without a doubt corruption .
人们认为中央计划至少是现在国有企业失败的部分原因。然而，最主要的原因可能是极低效的管理、关系的普遍运用、任用亲信和裙带关系、大量过剩的劳动力、社会救济金的滥用，当然还包括腐败。
89. A recent survey revealed large disparities in the income levels of male and female workers holding the same position . The determining factor should be qualifications ， rather than gender ， when determining both the salary and position of an individual .
最近的一项调查表明在同样职位上的男性与女性工人的收入水平存在差异。在决定工人工资和职位的时候，决定因素应该是资格，而不是性别。
90. Social finesse ， willingness to relocate and language capacity are also determinant factora in assessing job qualifications .
社交手腕、愿意调动以及语言能力也是评估工作资格的决定性因素。
91. The tumultuous Cultural Revolution was chiefly responsible for the searing desire for change in China .
混乱的文化大革命是引起对中国发生变化的极度渴望的主要原因。
92. Traditional beliefs do not in themselves explain the lingering prevalence of outdated concepts in China .
传统信仰本身不能解释过时观念为何仍然在中国普遍存在。
93. Some lay the blame for falling exports squarely on financial turmoil sweeping many Asian countries . The fact of the matter is ， however ， that proportionate blame should be assigned to the lackadaisical approach to developing new markets ， failure to improve product quality and government inaction in the realm of support .
有的人干脆认为造成出口下降的原因是横扫亚洲许多国家的金融危机。然而，事实是一部分原因应归结为开拓新市场的不得力的方法、改进产品质量的失败以及政府没有表示支持的行动。
94. We often ignore the real problem and instead search for a needle in a haystack . Solving problems of any kind requires one to adopt a direct approach which addresses all relevant issues .
我们经常忽略实际问题，而是大海捞针。解决任何类型的问题都需要一个人采取直接的办法处理所有相关事情。
95. Claiming a lack of opportunities is nothing more than a superficial excuse for justifying failure . The fundamental reason for failure is most often the lack of drive on the part of the individual involved .
声称缺少机会不过是敷衍失败的借口。通常，失败最根本的原因是相关的个人本身缺乏动力。
96. We can ， and quite often do ， blame our contemporaries for personal failures ， but the fact of the matter is that the root causes for most problems go much deeper .
我们可以，而且经常因个人的失败抱怨我们的同时代人，但是，事实是许多问题的根本原因要深刻得多。
97. The rapidly emerging sexual revolution has been accompanied by many disturbing trends . Perhaps the most serious consequences center on the rapid spread of sexually transmitted diseases ( STDs ) ， rising prostitution and the rise in AIDS cases .
伴随着迅速出现的性革命有很多令人烦恼的趋势。最严重的后果可能是性传染病的迅速蔓延、卖淫现象及艾滋病患者的增多。
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