GMAT逻辑题目:

　　Reviewer:The book Art's Dedine argues that European painters today lack skills that werecommon among European painters of preceding centuries. In this the book must beright, since its analysis of 100 paintings, 50 old and 50 contemporary,demonstrates convincingly that none of the contemporary paintings are executedas skillfully as the older paintings.

　　Whichof the following points to the most serious logical flaw in the reviewer'sargument?

　　A. The paintings chosen by thebook's author for analysis could be those that most support the book'sthesis.

　　B. There could be criteria otherthan the technical skill of the artist by which to evaluate a painting.

　　C. The title of the book couldcause readers to accept the book's thesis even before they read the analysis ofthe paintings that supports it.

　　D. The particular methodscurrently used by European painters could require less artistic skill than domethods used by painters in other parts of the world.

　　E. A reader who was not familiarwith the language of art criticism might not be convinced by the book'sanalysis of the 100 paintings.

　　GMAT逻辑答案:

　　Situation

　　Comparing50 contemporary paintings with 50 earlier paintings, a book argues thatcontemporary European painters lack the skills of earlier European painters.The reviewer endorses the book's thesis by noting that the contemporarypaintings are not as skillfully done as the older paintings.

　　Reasoning

　　What is the flawin the reasoning? The argument is based on two samples of 50 paintings each,but there is no evidence that the samples are representative. It is quitepossible that the book presents and discusses only those paintings that supportits argument and ignores those paintings that do not support the argument. Thereviewer accepts the selected samples of artwork without questioning how trulyrepresentative they are. A. Correct. This statement properlyidentifies a logical flaw in the reviewer's argument.

　　B. This statement critiques thenarrow focus of the book, not the reasoning of its argument, which is endorsedby the reviewer.

　　C. This statement shows that thereasoning of readers may be flawed if they accept the thesis on the basis ofthe book's title; it does not point to a flaw in the author's or the reviewer‘sreasoning.

　　D. The book compares two groups ofEuropean painters. Comparisons to painters in other parts of the world areirrelevant.

　　E. This statement focuses on thereader's possible confusion, not on an error of reasoning on the part of thereviewer or author.

　　The correct answer is A.

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