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 .

　　兩個(gè)主要因素導(dǎo)致了夏季長江及其支流的特大洪水。第一，過度砍伐引起的河流上游的侵蝕，第二，嚴(yán)重的泥沙淤積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 .

　　人們認(rèn)為貪婪和社會意識的徹底缺乏是造成腐敗急劇增加的主要原因。

　　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 .

　　中國的犯罪率顯著升高有很多原因——城區(qū)大量流動(dòng)工人的涌入；社會價(jià)值的貶低以及貧富之間日益擴(kuò)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 .

　　為什么越來越多的中國老人不和他們的孩子住在一起？原因之一是年輕一代的上進(jìn)心增強(qiáng)了。另一個(gè)原因是社會上老人的機(jī)會增加了。然而，主要的原因可能是傳統(tǒng)觀念發(fā)生了巨大變化。

　　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 .

　　什么引發(fā)了人們對鍛煉越來越濃的興趣？一方面，人們更加清楚地意識到保持身體健康的必要性。另一方面，不斷提高的生活水平使中國人能夠支付增加的娛樂支出。最主要的可能在于鍛煉帶來的保健和心理上的好處。

　　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 .

　　要找到涉及許多復(fù)雜因素的新現(xiàn)象的原因遠(yuǎn)非一件易事。例如，一些科學(xué)家把環(huán)境的惡化歸結(jié)為一些自然因素，而另一些人把責(zé)任都推在人類不適當(dāng)?shù)男袨樯稀?/p>

　　72. One doesn't have to look far to realize the direct correlation between smoking and cancer .

　　人們不用花費(fèi)很大力氣就能發(fā)現(xiàn)抽煙和癌癥之間的直接聯(lián)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 .

　　對上升的少年自殺率的解釋涉及很多復(fù)雜的因素。有的人把上升的原因歸結(jié)為過分強(qiáng)調(diào)少年時(shí)期的成功，有的人指出是因?yàn)椴粩嘣鲩L的同伴之間的壓力，還有人認(rèn)為是對不斷變化的社會價(jià)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 .

　　反社會行為的原因既復(fù)雜又多樣。我認(rèn)為這種現(xiàn)象是不恰當(dāng)?shù)慕巧�典型和缺少行為�?guī)范的很好的定義造成的。然而，主要原因很可能是不斷貶低的社會價(jià)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 .

　　種族仇恨的起因沒有現(xiàn)成的.然而，社會學(xué)家把原因歸結(jié)為被誤導(dǎo)的更高貴的種族的觀念以及天生的對有色人種的不信任。主要原因可能僅僅是因?yàn)闊o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 .

　　現(xiàn)在席卷世界的艾滋病的禍害很有可能由于全世界科學(xué)家和研究人員的不懈努力在未來幾年內(nèi)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 .

　　癌癥的發(fā)病率主要由以下諸多因素引起，包括不適當(dāng)?shù)娘嬍场⒉缓玫谋＝×?xí)慣以及沒有及早發(fā)現(xiàn)。然而，醫(yī)學(xué)的不斷進(jìn)步和對此不斷增強(qiáng)的關(guān)注給未來帶來了很大的希望。

　　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 .

　　城市人口的增長和車禍中死亡率的增加主要是由于近年內(nèi)充斥城市道路的汽車。汽車使用量的增加帶來的有害因素很有可能超過它的好處。

　　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 .

　　中國上升的離婚率可以，至少部分可以歸結(jié)為婚姻的不和諧，受教育水平的差異，變化的社會看法以及年輕一代不斷增強(qiáng)的上進(jìn)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 .

　　國有企業(yè)失敗不僅由于低效的管理，也因?yàn)樗麄儾荒軐?shí)現(xiàn)從以前的計(jì)劃經(jīng)濟(jì)到新的市場經(jīng)濟(jì)的運(yùn)作模式的轉(zhuǎn)換。

　　81. Although we do not know the long-term consequences of separation or deprivation ,we do know that they can produce acute immediate distress .

　　雖然我們不知道分離和喪失親人的長期后果，但我們知道它們能立即引起劇烈的悲痛。

　　82. One can raedily trace the disappearance of dinosaurs to a major cataclysmic event .

　　人們很容易把恐龍消失的原因歸結(jié)為重大的災(zāi)難性事件。

　　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 .

　　貧困的原因很多，但主要是因?yàn)槿鄙俳逃�、缺少機(jī)會，有的情況下純粹是由于懶惰。

　　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 .

　　兒童的發(fā)展取決于很多因素，包括生理的和心理的。從嬰兒期到青春期的正確的家長教育決定一個(gè)成熟的個(gè)人的體質(zhì)及智力的狀況。

　　85. Factors such as self-condidence and ambition ,combined with determination and willpower ,contribute to eventual success or failure .

　　自信、雄心，加上決心和毅力等因素是造成最終的成功或失敗的原因。

　　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 .

　　許多因素對中國最終加入世界貿(mào)易組織（WTO）有很大的影響。因素之一是徹底放棄保護(hù)主義，另一個(gè)因素是采用普遍接受的國際會計(jì)規(guī)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 .

　　如今人類最常見的一個(gè)不足是不說真話。人們必須意識到不說真話、說謊話在過去沒有，事實(shí)上，將來也永遠(yuǎn)不會變錯(cuò)誤為正確。

　　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 .

　　人們認(rèn)為中央計(jì)劃至少是現(xiàn)在國有企業(yè)失敗的部分原因。然而，最主要的原因可能是極低效的管理、關(guān)系的普遍運(yùn)用、任用親信和裙帶關(guān)系、大量過剩的勞動(dòng)力、社會救濟(jì)金的濫用，當(dāng)然還包括腐敗。

　　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 .

　　最近的一項(xiàng)調(diào)查表明在同樣職位上的男性與女性工人的收入水平存在差異。在決定工人工資和職位的時(shí)候，決定因素應(yīng)該是資格，而不是性別。

　　90. Social finesse ,willingness to relocate and language capacity are also determinant factora in assessing job qualifications .

　　社交手腕、愿意調(diào)動(dòng)以及語言能力也是評估工作資格的決定性因素。

　　91. The tumultuous Cultural Revolution was chiefly responsible for the searing desire for change in China .

　　混亂的文化大革命是引起對中國發(fā)生變化的極度渴望的主要原因。

　　92. Traditional beliefs do not in themselves explain the lingering prevalence of outdated concepts in China .

　　傳統(tǒng)信仰本身不能解釋過時(shí)觀念為何仍然在中國普遍存在。

　　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 .

　　有的人干脆認(rèn)為造成出口下降的原因是橫掃亞洲許多國家的金融危機(jī)。然而，事實(shí)是一部分原因應(yīng)歸結(jié)為開拓新市場的不得力的方法、改進(jìn)產(chǎn)品質(zhì)量的失敗以及政府沒有表示支持的行動(dòng)。

　　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 .

　　我們經(jīng)常忽略實(shí)際問題，而是大海撈針。解決任何類型的問題都需要一個(gè)人采取直接的辦法處理所有相關(guān)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 .

　　聲稱缺少機(jī)會不過是敷衍失敗的借口。通常，失敗最根本的原因是相關(guān)的個(gè)人本身缺乏動(dòng)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 .

　　我們可以，而且經(jīng)常因個(gè)人的失敗抱怨我們的同時(shí)代人，但是，事實(shí)是許多問題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 .

　　伴隨著迅速出現(xiàn)的性革命有很多令人煩惱的趨勢。最嚴(yán)重的后果可能是性傳染病的迅速蔓延、賣淫現(xiàn)象及艾滋病患者的增多。

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