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.
单选题
A．that B．this C．it D．which
【正确答案】
A
【答案解析】本题考查固定搭配。that's to say意为“那就是说”，即换句话说。此题中D项干扰性较大，读者往往因which能引导非限定性定语从句而误选D，但引导非限定性定语从句时，该从句应为一个整体，即句中不能出现逗号。
【答案解析】本题考查对上下文的理解。由句意可知，私人公司购买商业台的时段，是为了给自己的产品做广告。此外，由下句的“though theydon't usually have advertisements”也可推知此处应填advertise，即“为…做广告”。
单选题
A．national B．public C．commercial D．local
【正确答案】
C
【答案解析】商业性电视台与非商业性电视台的区分是其是否出售其广告时间或向电视观众征收费用。由后文“…people must pay the cable TV company a certain mnount of money…”可推知cable television stations仍为商业性电视台。
单选题
A．In order to B．So to C．As to D．So as to
【正确答案】
A
【答案解析】此句为目的状语从句，D项也指“为了”，表示目的，但它往往位于句中，而不置于句首。in order to意为“为了”，常置句首。
单选题
A．program B．month C．advertisement D．piece
【正确答案】
B
【答案解析】根据常识，看电视至少要按月交付收看费用，其他三项均不合文章。
单选题
A．one B．another C．other D．others
【正确答案】
C
【答案解析】on one hand…on the other hand为固定搭配，意为“一方面…另一方面”，on the other hand也可单独使用。
单选题
A．provide B．offer C．buy D．pay
【正确答案】
D
【答案解析】此句是将“Public radio and television stations”与“commercial stations”进行对比。商业台需要付费，公共台是免费的，可推出此处D最恰当。
单选题
A．from B．on C．in D．with
【正确答案】
A
【答案解析】从后一句的“and from some of the 36 who watch or listen to their programs”可以推断出，此处是并列结构，应该填介词“from”。