备战GRE填空题不仅需要坚持练习，还要掌握很多词汇，希望同学们能够好好复习，沉着应考!下面为大家整理了GRE绿皮书中一些精选的六选二的填空题，供大家参考。

　　29. Animals that have tasted unpalatable plants tend to______them afterward on the basis of their most conspicuous features, such as their flowers.

　　(A) recognize

　　(B) hoard

　　(C) trample

　　(D) retrieve

　　(E) identify

　　(F) approach

　　30. Many artists believe that successful imitation, far from being symptomatic of a lack of______, is the first step in learning to be creative.

　　(A) elegance

　　(B) resolution

　　(C) goodness

　　(D) originality

　　(E) sympathy

　　(F) imagination

　　31. The sheer diversity of tropical plants represents a seemingly______source of raw materials, of which only a few have been utilized.

　　(A) exploited

　　(B) quantifiable

　　(C) controversial

　　(D) inexhaustible

　　(E) remarkable

　　(F) infinite

　　32. The notion that cultural and biological influences______determine cross-cultural diversity is discredited by the fact that, in countless aspects of human existence, it is cultural programming that overwhelmingly accounts for cross-population variance.

　　(A) jointly

　　(B) completely

　　(C) directly

　　(D) equally

　　(E) evenly

　　(F) eventually

　　33. It is his dubious distinction to have proved what nobody would think of denying, that Romero at the age of sixty-four writes with all the characteristics of______.

　　(A) maturity

　　(B) fiction

　　(C) inventiveness

　　(D) art

　　(E) brilliance

　　(F) ripeness

　　34. Demonstrating a mastery of innuendo, he issued several______insults in the course of the evening’s conversation.

　　(A) blunt

　　(B) veiled

　　(C) fallacious

　　(D) boisterous

　　(E) disguised

　　(F) embellished

　　35. Edith Wharton sought in her memoir to present herself as having achieved a harmonious wholeness by having______the conflicting elements of her life.

　　(A) affirmed

　　(B) reconciled

　　(C) highlighted

　　(D) resolved

　　(E) identified

　　(F) confined