历年真题：GRE试题4

  

　　11.People who engage in scuba diving are healthier, on average, than people who do not engage in this activity．Therefore, scuba diving tends to promote improved health．

　　The argument is most vulnerable to criticism on the grounds that it

　　(A)presupposes that everyone who takes up scuba diving does so solely for health reasons

　　(B)leads to a further and falsifiable conclusion that no one can achieve good health without engaging in scuba diving

　　(C)fails to point out that a small number of people are seriously injured in scuba diving accidents each year

　　(D)treats a precondition for improving one's health as though it were something that by itself could ensure good health

　　(E)overlooks the possibility that people generally do not take up scuba diving unless they are in good health

　　Questions 12-15

　　An art museum owns six paintings by an eighteenth- century painter．The paintings, listed in order by esti- mated value from lowest to highest, are F, G, H, S, T, and U．Paintings F, G, and H are landscapes; S, T, and U are portraits．At any one time, exactly three of the six paintings are on exhibit, subject to the following restrictions:

　　The paintings on exhibit cannot all be landscapes．If the exhibit includes only one portrait, that portrait must be U．

　　H cannot be on exhibit at any time that T is on exhibit.

　　12.Which of the following could be the three paintings on exhibit at some point？

　　(A)F, G, and H

　　(B)F, G, and T

　　(C)G, H, and S

　　(D)G, S, and U

　　(E)H, T, and U

　　13.Which of the following, if they are the first two paintings selected for inclusion in a future exhibit, leave the widest choice of paintings for the third painting in that future exhibit？

　　(A)F and G

　　(B)G and H

　　(C)H and U

　　(D)S and T

　　(E)S and U

　　14.An exhibit must include S if which of the following is true？

　　(A)T is included in the exhibit．

　　(B)T is not included in the exhibit．

　　(C)H is the only landscape included in the exhibit．

　　(D)U is included in the exhibit．

　　(E)The exhibit includes either F or G, but not both．

　　15.If U is undergoing restoration and is not available to be exhibited, which of the following is a painting that CANNOT then be exhibited？

　　(A)F

　　(B)G

　　(C)H

　　(D)S

　　(E)T