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以下抗癫痫药中，治疗癫痫部分和各种全身发作的一线药物是
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(抗菌药物应用原则) 单一抗菌药物不能控制的需氧菌及厌氧菌混合感染
Public Service Advertising The advertising techniques used to (31) commercial goods and services can be used to inform, educate and motivate the public about non-commercial issues, such as HIV/AIDS, political ideology, energy conservation and deforestation. (32) in its non-commercial guise, is a powerful educational tool capable (33) reaching and motivating large audiences. "Advertising justifies its existence when used in the public interest—it is much (34) powerful a tool to use solely for commercial purposes. " Attributed to Howard Gossage by David Ogilvy. Public (35) advertising, non-commercial advertising, public interest advertising, cause marketing, and social marketing are different terms for (or aspects of) the use of sophisticated advertising and marketing communications techniques (generally associated with commercial enterprise) on (36) of non-commercial, public interest issues and initiatives. In the United States, the granting of television and radio licensed by the FCC is contingent upon the station broadcasting a certain amount of public service advertising. To (37) these requirements, many broadcast stations in America air the bulk of their required public service announcements (38) the late night or early morning when the smallest percentage of viewers are watching, leaving more day and prime time commercial slots available for high-paying advertisers. Public service advertising reached (39) height during World Wars Ⅰ and Ⅱ under the direction of more than one government. During WWⅡ President Roosevelt commissioned the creation of The War Advertising Council (now known as the Ad Council)(40) is the nation’s largest developer of PSA campaigns on behalf of government agencies and non-profit organizations, including the longest-running PSA campaign, Smokey Bear.
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Directions: You will hear some talks given by a single speaker. You will be asked to answer three questions about what the speaker says in each talk. Select the best response to each question and mark the letter (A), (B), (C), or (D) on your answer sheet. The talks will not be printed in your test book and will be spoken only one time. Why is the airport closed
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