单选题The particular bird they were watching______.

单选题 {{I}}Questions 22-25 are based on the following conversation. You now have 20 seconds to read the questions 22-25.{{/I}}

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单选题{{I}} Questions 18 ～ 21 are based on the following monologue.{{/I}}

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单选题Most radio and television stations in the United States are commercial stations, (26) is to say, they earn their money from (27) or commercials. Private companies purchase radio and television (28) from the commercial stations in order to (29) their products. Cable television stations are also (30) stations, though they do not usually have advertisements. (31) watch cable stations, people must pay the cable TV company a certain amount of money each (32) . Public radio and television stations, on the (33) hand, do not have advertisements and people do not have to (34) to watch them. These stations gain their money (35) the government, private companies, and from some of the (36) who watch or listen to their programs. The (37) government and some large corporations give (38) , large gifts on money, to the public stations. Small businesses and people also (39) money to their local public radio and television stations. ABC, CBS, and NBC are the three (40) commercial radio and television (41) in the United States. Most local commercial radio and TV stations (42) their programs from one of these national networks. (43) example, each network has a TV news program in the evening, (44) the local stations broadcast in addition to their (45) local news programs.

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单选题Whatarethesetwotalkingabout?

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单选题What does the woman think about Cynthia's opinion?

单选题The author thinks the advertising is a kind of ______.

单选题Whendoesschoolbegin?