完形填空
Newspapers have one basic purpose, to get the news as quickly as possible from【A1】______ source, from those who make it to those who want to【A2】______ it. Radio, telegraph, television, and other inventions brought competition for newspapers. So【A3】______ the development of magazines and other means of communication.【A4】______, this competition merely spurred the newspapers on. They quickly made use of the newer and faster 【A5】______ of communication to improve the speed and thus the efficiency of their own operations. Today more newspapers are【A6】______ and read than ever before. Competition also led newspapers to branch out into so many other fields. Besides keeping readers【A7】______ of the latest news, today’s newspapers【A8】______ and influence readers about politics and other important and serious matters. Newspapers influence readers’ economic choices 【A9】______ advertising. Most newspapers depend on advertising for their very 【A10】______ Newspapers are sold at a price that fails to cover even a small【A11】______ of the cost of production. The main【A12】______ of income for most newspapers is commercial【A13】______. The success in selling advertising depends on a newspaper’s【A14】______ to advertisers. This【A15】______ in terms of circulation. How many people read the newspaper? Circulation depends【A16】______ on the work of the circulation department and on the services 【A17】______ entertainment【A18】______ in a newspaper’s pages. But for the most part, circulation depends on a newspaper’s value to readers【A19】______ a source of information about the community, city, country, state, nation, and world—and even outer【A20】______ .
【答案解析】结合上下文可知， 报纸不仅可以使读者了解到最新的咨询， 还能“influence readers about politics and other important and serious matters”。 所以此处应该填入一个与influence有一定词义联系而且适用于政治和和其他重要活动的动词， 只有C选项educate符合题意。