{{B}}Text{{/B}}
Most radio and television stations in the United States are commercial
stations,{{U}} (26) {{/U}}is to say, they earn their money from{{U}}
(27) {{/U}}or commercials. Private companies purchase radio and
television{{U}} (28) {{/U}}from the commercial stations in order to{{U}}
(29) {{/U}}their products. Cable television stations are also{{U}}
(30) {{/U}}stations, though they do not usually have
advertisements.{{U}} (31) {{/U}}watch cable stations, people must pay
the cable TV company a certain amount of money each{{U}} (32)
{{/U}}. Public radio and television stations, on the{{U}}
(33) {{/U}}hand, do not have advertisements and people do not have
to{{U}} (34) {{/U}}to watch them. These stations gain their money{{U}}
(35) {{/U}}the government, private companies, and from some of the{{U}}
(36) {{/U}}who watch or listen to their programs. The{{U}} (37)
{{/U}}government and some large corporations give{{U}} (38) {{/U}},
large gifts on money, to the public stations. Small businesses and people
also{{U}} (39) {{/U}}money to their local public radio and television
stations. ABC, CBS, and NBC are the three{{U}} (40)
{{/U}}commercial radio and television{{U}} (41) {{/U}}in the United
States. Most local commercial radio and TV stations{{U}} (42)
{{/U}}their programs from one of these national networks.{{U}} (43)
{{/U}}example, each network had a TV news program in the evening,{{U}}
(44) {{/U}}the local stations broadcast in addition to their{{U}}
(45) {{/U}}local news programs.
【正确答案】
A
【答案解析】[解析] that's to say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，即句中不出现逗号。
【答案解析】[解析] 由本句及下旬的"though they don't usually have advertisements"推知此处应填advertise，即“为…做广告”。
【正确答案】
C
【答案解析】[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 company a certain amount of money...”推知cable television stations仍为商业性电台。
【正确答案】
A
【答案解析】[解析] 此句为目的状语从句，D项也指“为了”，表目的，但它往往位于句中，而不置于句首。in order to“为了”，常置句首。
【正确答案】
B
【答案解析】[解析] 根据常识，看电视至少要按月交付收看费用。
【正确答案】
C
【答案解析】[解析] on one hand...on the other hand为出定搭配，意为“一方面…另一方面”。
【正确答案】
D
【答案解析】[解析]此句是将"Public radio and televisiom stations"与"commecial stations"对比。一个是付费，另一个是免费，可推出此处D最恰当。
【正确答案】
A
【答案解析】[解析] 从后一句的"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"。
【正确答案】
D
【答案解析】[解析] 空格后who引导的定语从句是对串格所填选项的进一步解释。“who watch or listen to their programs”中的,“who”显然为“audiences”。
【正确答案】
B
【答案解析】[解析] 此短文介绍的足美国国内广播电视台的情况。此处应为 the Federal Government，即“联邦政府”。