GRE部分试题(六)

关于GRE部分试题(六)

　　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 Y must 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 cook