2013年4月新gre考试：gre阅读模拟练习（6）
Questions 1-5
A gardener is landscaping part of a front yard with six types of bushes—forsythia, holly, lilac, oleander, rose, and spirea.The forsythia and the lilac bushes are the only bushes classified as tall bushes.The gardener will plant two clusters of exactly four bushes each, one on the east edge of the property and one on the west edge.The selection of the bushes is subject to the following constraints:
Each type of bush must be used at least once.
Each cluster of bushes must contain at least one tall bush.
A cluster that includes one or more forsythia bushes must include at least one oleander bush.
A lilac bush cannot be planted in the same cluster as a spirea bush.
1.If three lilac bushes are selected for one cluster,which of the following can be the bushes selected for the other cluster?
(A) Forsythia, holly, oleander, rose.
(B) Forsythia, holly, rose, spirea.
(C) Forsythia, lilac, oleander, spirea.
(D) Forsythia, oleander, rose, spirea.
(E) Holly, oleander, rose, spirea.
2.Which of the following can be the selection of bushes for one of the clusters?
(A) Forsythia, holly, oleander, rose.
(B) Forsythia, holly, oleander, spirea.
(C) Forsythia, lilac, rose, rose.
(D) Forsythia, oleander, oleander, oleander.
(E) Lilac, lilac, rose, spirea.
原文来源： 2013年4月新gre考试：gre阅读模拟练习（6）
1984 only aspirin and acetaminophen shared the lucrative nonprescription pain-reliever market. In 1984, however, ibuprofen was expected to account for fifteen percent of all nonprescription pain-reliever sales.On that basis business experts predicted for 1984 a corresponding fifteen percent decrease in the combined sales of aspirin and acetaminophen. The prediction mentioned in the last sentence above was based on which of the following assumptions?
(A) Most consumers would prefer ibuprofen to both aspirin and acetaminophen.
(B) Aspirin, acetaminophen, and ibuprofen all relieve headache pain and muscular aches, but aspirin and ibuprofen can also cause stomach irritation.
(C) Before 1984 ibuprofen was available only as a prescription medicine.
(D) The companies that manufacture and sell aspirin and acetaminophen would not also manufacture and sell ibuprofen.
(E) The introduction of ibuprofen would not increase total sales of nonprescription pain reliever.
答案：E