数据库中用于实现对数据库的基本操作，如查询、插入、删除和修改的语言是()。A．DDL

先通读下面的短文，然后根据短文内容和所给字母，在空格内填入一个适当的词，使短文意思完整。所填单词必须在横线上完整写出。（本大题共5分，每格0.5分）

We are beautiful red-crowned cranes. We have red caps on top of our heads. You may (1) t____ the caps are our feathers. In fact, they are combs (冠). We are one of the l____ birds in size in the world. We are the heaviest cranes. An adult red-crowned crane can w____ up to 11 kilograms. We are good at dancing. I think we are the most beautiful dancers of all the birds. We are also good s_____. We sing loudly and b____. We are good at flying as well, we fly to warm East Asia (亚洲) when (6) s_   comes. We give birth to baby cranes there. We like to live together on w____ in Southwest China and some other places.

We live on worms and small fish. We like to live in long grasses. Water and grasses are i____ for us. But sometimes, life is harder these years. We are one of the most endangered birds in the world now. People keep  c____ our living areas into farms and buildings. We don’t have enough space to live. And we don’t have enough food to feed our babies because people fish and h_____ too much.

Sometimes an Englishman is______enthusiastic, emotional, excited, etc than any other na tionality, but tends to display his feelings far less.

A．no more

B．not much

C．no less

D．much less

大豆提油套利是大豆加工商在市场价格关系基本正常时进行的。( )

螺旋扫描方式的概念中，错误的是

A．层厚与非螺旋扫描方法一致
B．螺旋扫描采集到的是一个容积采集区段
C．有效扫描层厚增宽
D．扫描投影数据产生不一致
E．不能采用常规标准方法重建

"Universal history, the history of what man has accomplished in this world, is at bottom the History of the Great Men who have worked here," wrote the Victorian stage Thomas Carlyle. Well, not any more it is not.

Suddenly, Britain looks to have fallen out with its favourite historical form. This could be no more than a passing literary craze, but it also points to a broader truth about how we now approach the past: less concerned with learning from forefathers and more interested in feeling their pain. Today, we want empathy, not inspiration.

From the earliest days of the Renaissance, the writing of history meant recounting the exemplary lives of great men. In 1337, Petrarch began work on his rambling writing De Viris Illustribus—On Famous Men, highlighting the virtus (or virtue) of classical heroes. Petrarch celebrated their greatness in conquering fortune and rising to the top. This was the biographical tradition which Niccolo Machiavelli turned on its head. In The Prince, the championed cunning, ruthlessness, and boldness, rather than virtue, mercy and justice, as the skills of successful leaders.

Over time, the attributes of greatness shifted. The Romantics commemorated the leading painters and authors of their day, stressing the uniqueness of the artist’s personal experience rather than public glory. By contrast, the Victorian author Samual Smiles wrote Self-Help as a catalogue of the worthy lives of engineers, industrialists and explores. "The valuable examples which they furnish of the power of self-help, if patient purpose, resolute working and steadfast integrity, issuing in the formulation of truly noble and many character, exhibit," wrote Smiles. "what it is in the power of each to accomplish for himself" His biographies of James Walt, Richard Arkwright and Josiah Wedgwood were held up as beacons to guide the working man through his difficult life.

This was all a bit bourgeois for Thomas Carlyle, who focused his biographies on the truly heroic lives of Martin Luther, Oliver Cromwell and Napoleon Bonaparte. These epochal figures represented lives hard to imitate, but to be acknowledged as possessing higher authority than mere mortals.

Communist Manifesto. For them, history did nothing, it possessed no immense wealth nor waged battles: "It is man, real, living man who does all that. "And history should be the story of the masses and their record of struggle. As such, it needed to appreciate the economic realities, the social contexts and power relations in which each epoch stood. For: "Men make their own history, but they do not make it just as they please; they do not make it under circumstances chosen by themselves, but under circumstances directly found, given and transmitted from the past. "

This was the tradition which revolutionized our appreciation of the past. In place of Thomas Carlyle, Britain nurtured Christopher Hill, EP Thompson and Eric Hobsbawm. History from below stood alongside biographies of great men. Whole new realms of understanding—from gender to race to cultural studies—were opened up as scholars unpicked the multiplicity of lost societies. And it transformed public history too: downstairs became just as fascinating as upstairs.

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