以下是引用armstrong在2005-9-15 10:56:00的发言：可是E呢？如果P城的犯罪率低是因为防范力量极强，导致人们不敢犯罪，岂不是也对？ The violent crime rate (number of violent crimes per 1,000 residents) in Meadowbrook is 60 percent higher now than it was four years ago. The corresponding increase for Parkdale is only 10 percent. These figures support the conclusion that residents of Meadowbrook are more likely to become victims of violent crime than are residents of Parkdale.
The argument above is flawed because it fails to take into account ED（四年前可能极低，但E应该也可以啊？）
- Changes in the population density of both Meadowbrook and Parkdale over the past four years.
- How the rate of population growth in Meadowbrook over the past four years compares to the corresponding rate for Parkdale
- The ratio of violent to nonviolent crimes committed during the past four years in Meadowbrook and Parkdale
- The violent crime rates in Meadowbrook and Parkdale four years ago
- How Meadowbrooks’ expenditures for crime prevention over the past four years compare to Parkdale’s expenditures.
E无关,因为红字 | 
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发表于 2005-9-19 22:00:00
