GRE北美题No10-3.docVIP

SECTION 4 Questions 1-5 A college president wishes to select four members of a faculty-student committee as representatives to meet with the college’s board of trustees. The faculty-student committee consists of exactly four faculty members— F, G, H, and I—and four students—R, S, T, and U. The president can select any of the committee members as representatives as long as she observes the following restrictions: The group of four representatives must consist of exactly two faculty members and two students. Either F or G must be one of the representatives’ but F and G cannot both be representatives. If R is a representative, H must also be a represen- tative. If T is a representative, G cannot be a representa- tive. 1. If R is a representative, which of the following CANNOT also be a representative? (A) H (B) I (C) S (D) T (E) U 2. If neither S nor U is a representative, which of the following is the pair of faculty members who must be representatives? (A) F and G (B) F and H (C) F and I (D) G and H (E) G and I 3. If G is a representative, which of the following can be the other three representatives? (A) F, S, U (B) H, I, R (C) H, R, S (D) H, S, T (E) I, R, U 4. If G, I, and S are representatives, which of the following must also be a representative? (A) F (B) H (C) R (D) T (E) U 5. If T is a representative and H is not a repre- sentative, the group of representatives would be completely determined if it were also true that (A) F is a representative (B) I is a representative (C) G is not a representative (D) R is not a representative (E) U is not a representative 6. Injections of small quantities of a drug, the active ingredient of which is a human hormone, have been shown to reverse very high blood pressure rapidly and without causing undesirable side effects. However, high blood pressure is a condition that must be treated for a patient’s entire lifetime, and because the frequency of