历年真题:美国GRE试题6

　　25 Questions

　　Questions 1-8

　　A bakery makes nine kinds of cookies. Of these nine,three kinds are fruit cookies-G, H, and J; three kinds　are nut cookies-K, L, and O; and three kinds are plain　cookies-X, Y, and Z. Each day of the week, Monday　through Sunday, the bakery will feature a special price　on exactly three different kinds of cookies. The three　featured cookies will be selected according to the　following rules:

　　Each day at least one fruit cookie must be featured,and each day at least one nut cookie must be　featured.

　　On any day on which cookie J is featured, cookie L　cannot be featured.

　　On any day on which cookie k is featured, cookie Ymust also be featured.

　　No kind of cookie can be featured more than three　times in a week.

　　1.Which of the following lists three cookies that can be　featured together?

　　(A) G, L, Z

　　(B) H, K, X

　　(C) J, L, Y

　　(D) J, O, Z

　　(E) K, O, Y

　　2. On a day on which both cookie L and cookie Z are　featured, which of the following can be the third kind　of cookie featured?

　　(A) H

　　(B) J

　　(C) O

　　(D) X

　　(E) Y

　　3.A partial schedule of featured cookies is shown below.

　　Monday Tuesday Wednesday Thursday Friday

　　L H O G Z

　　According to this schedule, which of the following is a day on　which cookie X CANNOT be one of the featured cookies?

　　(A) Monday

　　(B) Tuesday

　　(C) Wednesday

　　(D) Thursday

　　(E) Friday

　　4.If cookie J is featured on Friday, Saturday, and　Sunday; if cookie K is featured on Monday, Tuesday,and Wednesday, and if cookie G is featured only on　Thursday, then cookie L can be featured on

　　(A) Monday only

　　(B) Thursday only

　　(C) Monday, Tuesday, and Wednesday only

　　(D) Friday, Saturday, and Sunday only

　　(E) any two of the first four days of the week

　　5. If each kind of nut cookie is featured three times in　one week, what is the maximum number or days on　which plain cookies can be featured during that week?

　　(A) Three

　　(B) Four

　　(C) Five

　　(D) Six

　　(E) Seven

　　6.If cookie H and cookie Y are each featured on　Monday, Tuesday, and Wednesday, and if cookie G　and cookie X are each featured on Thursday, Friday　and Saturday, then the cookies featured on Sunday　must include both

　　(A) J and K

　　(B) J and L

　　(C) J and O

　　(D) K and L

　　(E) K and Z

　　7.If exactly seven kinds of cookies are featured during　one week, which of the following must be true about　that week?

　　(A) X is the only kind of plain cookie that is featured

　　(B) Y is the only kind of plain cookie that is featured

　　(C) Z is the only kind of plain cookie that is featured.

　　(D) On at least one day, both cookie G and cookie Z　are featured.