Brochure: Help conserve our city's water supply. By converting the landscaping in your yard to a water-conserving landscape, you can greatly reduce your outdoor water use. A water-conserving landscape is natural and attractive, and it also saves you money.
Criticism: For most people with yards, the savings from converting to a water-conserving landscape cannot justify the expense of new landscaping, since typically the conversion would save less than twenty dollars on a homeowner's yearly water bills.
Which of the following, if true, provides the best basis for a rebuttal of the criticism?
Brochure:Help conserve our city’s water supply.By converting the landscaping in your yard to a water-conserving landscape, you can greatly reduce your outdoor water use.A water-conserving landscape is natural and attractive, and it also saves you money.
Criticism:For most people with yards, the savings from converting to a water-conserving landscape cannot justify the expense of new landscaping, since typically the conversion would save less than twenty dollars on a homeowner’s yearly water bills.
Which of the following, if true, provides the best basis for a rebuttal of the criticism?
A.Even homeowners whose yards do not have water-conserving landscapes can conserve water by installing water-saving devices in their homes.
B.A conventional landscape generally requires a much greater expenditure on fertilizer and herbicide than does a water-conserving landscape.
C.A significant proportion of the residents of the city live in buildings that do not have yards.
D.It costs no more to put in water-conserving landscaping than it does to put in conventional landscaping.
E.Some homeowners use more water to maintain their yards than they use for all other purposes combined.
In an attempt to reduce the crime rate, the governor is getting tough on criminals and making prison conditions harsher.Part of this effort has been to deny inmates the access they formerly had to college-level courses.However, this action is clearly counter to the governor’s ultimate goal, since after being released form prison, inmates who had taken such courses committed far fewer crimes overall than other inmates.
Which of the following is an assumption on which the argument depends?
A.Not being able to take college-level courses while in prison is unlikely to deter anyone from a crime that he or she might otherwise have committed.
B.Former inmates are no more likely to commit crimes than are members of the general population.
C.The group of inmates who chose to take college-level courses were not already less likely than other inmates to commit crimes after being released.
D.Taking high school level courses in prison has less effect on an inmate’s subsequent behavior than taking college-level courses does.
E.The governor’s ultimate goal actually is to gain popularity by convincing people that something effective is being done about crime.
C.The group of inmates who chose to take college-level courses were not already less likely than other inmates to commit crimes after being released.
C 的already 说明: 不是因为 这些修大学课程的狱友不是在上课程之前就比其他人有较小可能犯罪------ 排除它因 影响