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发布时间：2006-06-22 13:31     点击：

　　J is allowed first choice of any of the offices.

　　K and P must be assigned to adjacent offices.

　　L and P must be assigned to adjacent offices.

　　M and O must be assigned to adjacent offices.

　　M and N cannot be assigned to adjacent offices.

　　O is assigned to office 2 unless J chooses it; in that case, O will be assigned to office 3.

　　K is assigned to office 7 unless J chooses it; in that case, K will be assigned to office 5.

　　19. Which of the following is an assignment of executives to offices, beginning with office 1 and proceeding consecutively to office 8, that conforms to the restrictions above?

　　(A) J, O, M, R, L, P, K, N

　　(B) J, R, O, M, L, P, K, N

　　(C) M, O, N, K, P, L, R, J

　　(D) M, O, R, J, L, K, P, N

　　(E) N, J, O, M, K, P, L, R

　　20. If J chooses office 8, which of the following must be true?

　　(A) L is assigned to office 5.

　　(B) M is assigned to office 1.

　　(C) M is assigned to office 3.

　　(D) N is assigned to office 1.

　　(E) R is assigned to office 1.

　　21. P could be assigned to which of the following offices?

　　(A) 1   (B) 2   (C) 3   (D) 4   (E) 5

　　22. If N is assigned to office 5, which of the following can be true?

　　(A) L is assigned to office 3.

　　(B) M is assigned to office 4.

　　(C) O is assigned to office 3.

　　(D) P is assigned to office 1.

　　(E) R is assigned to office 6.

　　Which of the following, if true, most seriously weakens the conclusion drawn above?

　　(A) The australopithcines sometimes moved from cave to cave for shelter and did not remain in one cave for a lifetime.

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