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题库 / GMATLA-CR-77
Because it was long thought that few people would watch lengthy televised political messages, most televised political advertisements, like commercial advertisements, took the form of short messages. Last year, however, one candidate produced a half-hour-long advertisement. During the half hour the advertisement was aired, a substantial portion of the viewing public tuned into the advertisement. Clearly, then, many more people are interested in watching lengthy televised political messages than was previously thought.
Which of the following is an assumption on which the argument depends?
The candidate's ratings improved significantly as a result of the half-hour-long political advertisement.
Political advertisements have become increasingly influential in determining voters' decisions at the polls.
Many people would appreciate the opportunity to become better acquainted with political candidates' views on current political issues.
Most people who are interested in political issues watch television regularly.
Most of the viewers who tuned in to the candidate's half-hour-long advertisement last year did not change channels after the first few minutes.
25. 以前觉得人们不喜欢看长的政治内容，所以政治广告一般都做的很短。去年一个竞争者做了一个半小时的广告，在它播出的半小时里面，很多人调进来看了。
结论：现在人们比过去更能接受长的政治内容了。
Assumption：大多数调进频道的，没有立刻转台，才能说明是真的有兴趣。
问的是依据什么，问的是前提，问的是因
果因推理
Assumption question, use Negation Test.
-choice e: Most of the viewers who tuned in to the candidate's half-hour-long advertisement last year did not change channels after the first few minutes.
-if they change channels after the first few minutes, the conclusion that people are interested in lengthy televised political messages is killed.