大家帮忙看这几道prep逻辑题怎么样理解？ 谢谢大家

Queeny11

117.(30804-!-item-!-188;#058&005538)(GWD 3-Q32)



Newspaper editorial:

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监狱同住一起的人 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 from 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.

112.(32826-!-item-!-188;#058&006832)(GWD 8-Q38)



Unless tiger hunting decreases, tigers will soon be extinct in the wild.The countries in which the tigers' habitats are located are currently debating joint legislation that would ban tiger hunting.Thus, if these countries can successfully enforce this legislation, the survival of tigers in the wild will be ensured.

The reasoning in the argument is most vulnerable to criticism on the grounds that the argument

A. assumes without sufficient warrant that a ban on tiger hunting could be successfully enforced
B. considers the effects of hunting on tigers without also considering the effects of hunting on other endangered animal species

C. fails to take into account how often tiger hunters are unsuccessful in their attempts to kill tigers

D. neglects to consider the results of governmental attempts in the past to limit tiger hunting

E. takes the removal of an impediment to the tigers' survival as a guarantee of their survival

120.(32170-!-item-!-188;#058&006359)(GWD 8-Q40)



From 1973 to 1976, total United States
consumption of cigarettes increased 3.4 percent, and total sales of chewing tobacco rose 18.0 percent.During the same period, total United States
population increased 5.0 percent.

If the statements above are true, which of the following conclusions can be properly drawn?

A. United States
manufacturers of tobacco products had higher profits in 1976 than in 1973.
B. Per capita consumption of cigarettes in the United States
was lower in 1976 than in 1973.
C. The proportion of nonsmokers in the United States
population dropped slightly between 1973 and 1976.
D. United States
manufacturers of tobacco products realize a lower profit on cigarettes than on chewing tobacco.
E. A large percentage of United States
smokers switched from cigarettes to chewing tobacco between 1973 and 1976.