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同CD28作用相反的分化抗原是
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Directions: you are required to write about 200 words on the following topic: "Is it better to set up a bridge or a wail between china and the west"
Who won the World Cup 1994 football game What happened at the United Nations How did the critics like the new play 1 an event takes place, newspapers are on the street 2 the details. 3 anything happens in the world, reporters are on the spot to gather the news.Newspapers have one basic 4 , to get the news as quickly as possible from its source, from those who make it to those who want to 5 it.Radio, telegraph, television, and 6 inventions brought competition for newspapers. So did the development of magazines and other means of communication. 7 , this competition merely spurred the newspapers on. They quickly made use of the newer and faster means of communication to improve the 8 and thus the efficiency of their own operations. Today more newspapers are 9 and read than ever before. Competition also led newspapers to 10 out into many other fields. Besides keeping readers informed of the latest news, today"s newspapers entertain and influence readers about politics and other important and serious 11 .Newspapers influence readers" economic choices 12 advertising. Most newspapers depend on advertising for their very 13 .Newspapers are sold at a price that 14 even a small fraction of the cost of production. The main 15 of income for most newspapers is commercial advertising. The 16 in selling advertising depends newspaper"s value to advertisers. This 17 in terms of circulation. How many people read the newspaperCirculation depends 18 on the work of the circulation department and on the services or entertainment 19 in a newspaper"s pages. But for the most part, circulation depends on a newspaper"s value to readers as a source of information 20 the community, city, county, state, nation and world—and even outer space.
Who won the World Cup 1994 football game What happened at the United Nations How did the critics like the new play 1 an event takes place, newspapers are on the street 2 the details. 3 anything happens in the world, reporters are on the spot to gather the news.Newspapers have one basic 4 , to get the news as quickly as possible from its source, from those who make it to those who want to 5 it.Radio, telegraph, television, and 6 inventions brought competition for newspapers. So did the development of magazines and other means of communication. 7 , this competition merely spurred the newspapers on. They quickly made use of the newer and faster means of communication to improve the 8 and thus the efficiency of their own operations. Today more newspapers are 9 and read than ever before. Competition also led newspapers to 10 out into many other fields. Besides keeping readers informed of the latest news, today"s newspapers entertain and influence readers about politics and other important and serious 11 .Newspapers influence readers" economic choices 12 advertising. Most newspapers depend on advertising for their very 13 .Newspapers are sold at a price that 14 even a small fraction of the cost of production. The main 15 of income for most newspapers is commercial advertising. The 16 in selling advertising depends newspaper"s value to advertisers. This 17 in terms of circulation. How many people read the newspaperCirculation depends 18 on the work of the circulation department and on the services or entertainment 19 in a newspaper"s pages. But for the most part, circulation depends on a newspaper"s value to readers as a source of information 20 the community, city, county, state, nation and world—and even outer space.
For years scholars have contrasted slavery in the United States and in Brazil, stimulated by the fact that racial patterns assumed such different aspects in the two countries after emancipation. Brazil never developed a system of rigid segregation of the sort that replaced slavery in the United States, and its racial system was fluid (a situation that is fluid is likely to change) because its definition of race was based as much on characteristics such as economic status as on skin color. Until recently, the most persuasive explanation for these differences was that Portuguese institutions especially the Roman Catholic church and Roman civil law, promoted recognition of the slave"s humanity. The English colonists, on the other hand, constructed their system of slavery out of whole cloth (whole cloth: pure fabrication usually used in the phrase out of whole cloth). There were simply no precedents in English common law, and separation of church and state barred Protestant clergy from the role that priests assumed in Brazil.But the assumption that institutions alone could so powerfully affect the history of two raw and malleable frontier a new field for exploitative or developmental activity. Countries seem, on reexamination, untenable. Recent studies focus instead on a particular set of contrasting economic circumstances and demographic profiles at significant periods in the histories of the two countries. Persons of mixed race quickly appeared in both countries. In the United States they were considered to be Black, a social definition that was feasible because they were in the minority. In Brazil, it was not feasible. Though intermarriage was illegal in both countries, the laws were unenforceable in Brazil since Whites formed a small minority in an overwhelmingly Black population. Manumission for persons of mixed race was also easier in Brazil, particularly in the nineteenth century when in the United States it was hedged about with difficulties. Furthermore, a shortage of skilled workers in Brazil provided persons ofmixed race with the opportunity to learn crafts and trades, even before general emancipation, whereas in the United States entry into these occupations was blocked by Whites sufficiently numerous to fill the posts. The consequence was the development in Brazil of a large class of persons of mixed race, proficient in skilled trades and crafts, who stood waiting as a community for freed slaves to join.There should be no illusion that Brazilian society after emancipation was color-blind. Rather, the large population of persons of mixed race produced a racial system that included a third status, a bridge between the Black caste and the White, which could be traversed by means of economic or intellectual achievement, marriage, or racial heritage. The strict and sharp line between the races so characteristic of the United States in the years immediately after emancipation was simply absent. With the possible exception of New Orleans, no special "place" developed in the United States for persons of mixed race. Sad to say, every pressure of society worked to prevent their attaining anything approximating the economic and social position available to their counterparts in Brazil. The author mentions intermarriage, manumission, and the shortage of skilled workers in Brazil primarily in order to establish which of the following
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