讲义传.doc

Survey 开头： The author’s conclusion that ___ partly depends on the survey about___. Unfortunately, the statistical reliability of the survey’s results is questionable. Selective sample： The author provides no evidence that the number of respondents is statistically significant or that the respondents were representative of all in general. The situation at _____ might not be representative of all ____. The result of the test might not be representative of the whole region, in other words, maybe ______. The result of the nationwide survey could not ensure that the residents of A are willing to ______. The argument depends on a dubious assumption that the national levels of satisfaction with store-bought groceries could reflects the level of a certain area. Nationwide survey can say little about the demand and preference of the local residents. The result of a national survey may not be properly applied to a certain region. Not all people who are ______ will ________. The situation in Polluxton’s library may not be typical. The study only tracked middle-aged men, thus the effect of vigorous outdoor exercises on women is still open to question. The arguer fails to consider/include/take into account ________, thus, the result of the survey lacks credibility because many ______ were actually excluded from the survey. The scientists only studied A at one certain cite, thus we could not assert that the overall A is declining. Small sample： The sample of the mentioned study is too limited. 10 percent of respondents may not constitute a statistically representative sample. We do not know the 20,000 respondents constitute what percent of the whole consumer population, thus the result of the survey may not be representative. For lack of data concerning the total amount of garbage sites and people living near them in the state, the reliability of the study is open to doubt. The fact that two traditional courses have been successfully adapted does not imply that all othe