GRE Big Book Critical Reasoning Test 32

GRE Critical Reasoning
Directions

Critical Reasoning questions test the ability to understand, analyze, and evaluate arguments. Some of the abilities tested by specific questions include identifying the roles played by specific phrases or sentences in an argument, recognizing the point of an argument, recognizing assumptions on which an argument is based" drawing conclusions and forming hypotheses, identifying methods of argumentation, evaluating arguments and counter-arguments, and analyzing evidence.

Each of the Critical Reasoning questions is based on a short argument, a set of statements, or a plan of action. For each question, select the best answer of the choices given.

 

Currently, the number of admissions of individuals diagnosed as manic-depressives to hospitals in Great Britain exceeds by nine times the number of admissions of such patients to public and private hospitals in the United States, even though the population size of the United States is many times that of Great Britain.

#1
Which of the following, if true, would be most useful to an attempt to explain the situation described above?

Some soil scientists have asserted that decaying matter on the forest floor is a far greater source of the acidity in mountain lakes than is the acid rain that falls on these lakes. Therefore, they contend, reducing acid rain will not significantly reduce the acidity levels of mountain lakes.

#2
Which of the following statements, if true, most seriously weakens the argument above?

Unlike other forms of narrative art, a play, to be successful, must give pleasure to its immediate audience by reflecting the concerns and values of that audience. A novel can achieve success over months or even years, but a play must be a hit or perish. Successful drama of the Restoration period, there- fore, is a good index to the typical tastes and atti- tudes of its time.

#3
The author of the passage above assumes that

It is important to teach students to use computers effectively. Therefore, students should be taught computer programming in school.

#4
Which of the following, if true, most weakens the argument above?

Butterfat gets its yellowish color from carotene, the fat-soluble vitamin A precursor that is also responsible for the color of carrots. Not all butter-fat, however, is equally yellow. Some breeds of cows are more efficient than others at converting carotene to the colorless vitamin A.

#5
If butter made from the milk of holstein cows is much paler than that made from the milk of jersey or guernsey cows, then the facts above suggest that

X melts at a higher temperature than P melts. Y melts at a lower temperature than P melts, but at a higher temperature than Q melts.

#6
If the statements above are true, it can be concluded with certainty that S melts at a higher temperature than Y melts if one knows in addition that

留下评论

您的邮箱地址不会被公开。 必填项已用 * 标注