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某班有50个学生,在数学考试中,成绩是在前10名的学生的平均分比全班平均分高12分,那么其余同学的平均分比全班平均分低了多少分?( )

A. 3
B. 4
C. 5
D. 6

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在工业企业中,职工培训工作是十分重要的,从发展的观点来看,它还将变得越来越重要。科学技术在迅速发展,生产和制造方法正经历着急剧的变革,企业里的职工都面临着提高个人素质以适应这种变化的问题。 这段话强调的是( )。

A. 目前企业对员工的培训不十分重视
B. 科学技术迅猛发展推动生产和制造技术不断改进和革新
C. 职工培训工作是十分重要的,必须一直抓下去
D. 随着科学技术的发展,企业职工的素质在不断提高

By 1830 the former Spanish and Portuguese colonies had become independent nations. The roughly 20 million (1) of these nations loved (2) to the future. Born in the crisis of the old regime and Iberian Colonialism, many of the leaders of independence (3) the ideals of representative government, careers (4) to talent, freedom of commerce and trade, the (5) to private property, and a belief in the individual as the basis of society. (6) there was a belief that the new nations should be sovereign and independent states, large enough to be economically viable and integrated by a (7) set of laws.On the issue of (8) of religion and the position of the church, (9) , there was less agreement (10) the leadership Roman Catholicism had been the state religion and the only one (11) by the Spanish crown. (12) most leaders sought to maintain Catholicism (13) the official religion of the new states, some sought to end the (14) of other faiths. The defense of the Church became a rallying (15) for the conservative forces.The ideals of the early leaders of independence were often egalitarian, valuing equality of everything. Bolivar had received aid from Haiti and had (16) in return to abolish slavery in the areas he liberated. By 1854 slavery had been abolished everywhere except Spain’s (17) colonies. Early premise to end Indian tribute and taxes on people of mixed origin came much (18) because the new nations still needed the revenue such policies (19) Egalitarian sentiments were often tempered by fears that the mass of the population was (20) self-rule and democracy. Read the following text. Choose the best word (s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1.12()

A. Since
B. If
C. Unless
D. While

The study of law has been recognized for centuries as a basic intellectual discipline in European universities. However, only in recent years has it become a feature of undergraduate programs in Canadian universities. (46) Traditionally, legal learning has been viewed in such institutions as the special preserve of lawyers, rather than a necessary part of the intellectual euuinment of an educated person. Happily, the older and more eontinental view of legal education is establishing itself in a number of Canadian universities and some have even begun to offer undergraduate degrees in law.If the study of law is beginning to establish itself as part and parcel of a general education, its aims and methods should appeal directly to journalism educators. Law is a discipline which encourages responsible judgment. On the one hand, it provides opportunities to analyze such ideas as justice, democracy and freedom. (47) On the other, it links these concepts to everyday realities in a manner which is parallel to the links journalists forge on a daily basis as they cover and comment on the news. For example, notions of evidence and fact, of basic rights and public interest are at work in the process of journalistic judgment and production just as in courts of law. Sharpening judgment by absorbing and reflecting on law is a desirable component of a iournalist’s intellectual preparation for his or her career.(48) But the idea that the Journalist must understand the law more profoundly than an ordinary citizen rests on an understanding of the established conventions and special responsibilities of the news media. Politics or, more broadly, the functioning of the state, is a major subject for journalists. The better informed they are about the way the state works, the better their reporting will be. (49) In fact, it is difficult to see how journalists who do not have a clear grasp of the basic features of the Canadian Constitution can do a competent job on political stories.Furthermore, the legal system and the events which occur within it are primary subjects for journalists. While the quality of legal journalism varies greatly, there is an undue reliance amongst many journalists on interpretations supplied to them by lawyers. (50)While comment and reaction from lawyers may enhance stories, it is preferable for journalists to rely on their own notions of significance and make their own Judgments. These can only come from a well-grounded understanding of the legal system. Traditionally, legal learning has been viewed in such institutions as the special preserve of lawyers, rather than a necessary part of the intellectual euuinment of an educated person.

阅读短文,完成32~36题。喜马拉雅山是目前地球上最高的山脉。其顶峰珠穆朗玛峰高达8848米,堪称世界之最。近半个世纪以来,地质学家对喜马拉雅山进行了研究,特别是近20年来世界各国学者纷纷对青藏高原进行实地勘测,弄清了喜马拉雅山脉的来龙去脉。科学家们从喜马拉雅山的原层海相沉积层中找到了鱼龙、三叶虫、珊瑚、海藻等古海洋生物的化石标本,从而证明:早在4000~5000万年前,喜马拉雅山脉所处地区是一片湛蓝的大海。众所周知,地球最上层约不到100公里的厚度是一层带有弹性的坚硬岩石,叫做岩石层,岩石层可以发生脆性断裂,形成为数不多的板块,板块之间可以作相对运动。根据板块大地构造假说,科学家们将全球岩石分为6个大板块,即欧亚板块、美洲板块、非洲板块、太平洋板块、印澳板块和南极板块。喜马拉雅山脉的形成就是由于欧亚板块和印澳板块的互相碰撞,使得沉积在海中的巨厚沉积岩褶曲隆起所致。这样古海便渐渐消失,代之以高耸入云的山脉。科学家们经过测量,发现印澳板块至今仍在向北漂移,致使喜马拉雅山脉继续不断升高。近万年来,喜马拉雅山脉升高了500米,即以每年5厘米的速度在上升。一些地质学家认为,地球上的山脉是不会超过万米的。他们曾用生活中的一个例子作解释。()①我们用雪白细嫩的豆腐来“叠罗汉”,()①不需叠上几层,最底层的豆腐必将由于承受不了其上的压力而最终“垮台”。这个例子同样适用于山脉的升高。因为山脉的升高也像是“叠罗汉”,只不过是用泥土、岩石在不断堆积而已。在山体不断抬升之际,山底所承受的压力也是相应增大,一旦达到极限,偌大的山体就会像豆腐那样散架崩塌。经过推算,科学家们认为这个极限负荷是当山脉上升到10000米时的负荷。这一假说同样证明了地球上至今没有万米高山的原因。然而,喜马拉雅山脉还在不断上升,()②上升速度仍保持每年5厘米不变,()②不用25000年,高度将超过万米。到那时,喜马拉雅山脉是散架崩塌,还是继续高耸地球上,可以说至今还是一个谜。 对第三段的大意有几种说法,正确的一项是()。

A. 说明了地球表层的情况
B. .说明了地球的构造
C. 说明了喜马拉雅山是如何形成的
D. 说明了板块大地构造假说是如何形成的

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