GRE试题:GRE北美试题15

ents often interfere with memory in ways that seem unrelated to their inhibition of protein synthesis More importantly, the notion that the inter- ruption or intensification of protein production in the brain can be related in cause-and-effect fashion to learning now seems simplistic and unproductive. Remove the battery from a car and the car will not go. Drive the car a long distance at high speed and the battery will become more highly charged. Neither of these facts proves that the battery powers the car only a knowledge of the overall automotive system will reveal its mechanism of locomotion and the role of the battery within that system.

21. This passage was most likely excerpted from

(A) a diary kept by a practicing neuro- behavioral researcher

(B) a newspaper article on recent advances in the biochemistry of learning

(C) a technical article on experimental techniques in the field of molecular biology

(D) an article summarizing a series of scientific investigations in neurobehavioral research

(E) a book review in a leading journal devoted to genetic research

22. The primary purpose of the passage is to show that extensive experimentation has

(A) demonstrated the importance of amino- acid fragmentation in the induction of amnesia

(B) cast doubt on the value of puromycin in the neurobehavioral investigation of learning

(C) revealed the importance of amnesia in the neurobehavioral study of learning

(D) not yet demonstrated the applicability of molecular biology to neurobehavioral research

(E) not supported the hypothesis that learning is directly dependent on protein synthesis

23. According to the passage, neurobehaviorists initially based their that protein synthesis was related to learning on which of the following?

(A) Traditional theories about learning

(B) New techniques in protein synthesis

(C) Previous discoveries in molecular biology

(D) Specific research into learning and amnesia

(E) Historic experiments on the effects of puromycin

24. The passage mentions all of the following as effects of puromycin EXCEPT

(A) brain seizures

(B) memory loss

(C) inhibition of protein synthesis

(D) destruction of genetic information

(E) fragmentation of amino-acid chains

25. It can be inferred from the passage that, after puromycin was perceived to be a disappoint- ment, researchers did which of the following?

(A) They ceased to experiment with puromycin, and shifted to other promising protein- synthesis inhibitors.

(B) They ceased to experiment with puromycin, and reexamined through experiments the relationship between genetic information and acquired information.

(C) They continued to experiment with puro- mycin, but applied their results to other facets of memory research.

(D) They continued to experiment with puro- mycin, but also tried other protein- synthesis inhibitors.

(E) They continued to experiment with puro- mycin until a new neuroanatomical framework was developed.

9. ARBITRATOR: DISPUTANTS::

(A) salesperson: clients

(B) waiter: chefs

(C) commander: adjutants

(D) judge: litigants

(E) artist: critics

10. ARBORETUM: TREES::

(A) zoo: range

(B) greenhouse: garden

(C) aviary: birds

(D) grove: forest

(E) museum: painters

11. WINNOW: WHEAT::

(A) refine: oil

(B) burn: coal

(C) grind: flour

(D) bake: bread

(E) mow: grass

12. IDYLL: CAREFREE::

(A) ordeal: difficult

(B) lark: regrettable

(C) interlude: nostalgic

(D) trial: tragic

(E) respite: spontaneous

13. RELAPSE: CONVALESCENCE::

(A) repetition: monotony

(B) impasse: debate

(C) dissonance: harmony

(D) recidivism: rehabilitation

(E) feudalism: industrialization

14. ANACHRONISM: CHRONOLOGY::

(A) fallacy: logic

(B) tradition: custom

(C) debauchery: appetites

(D) archetype: paradigm

(E) variations: incongruity

15. DEFAULT: PAY::

(A) evict: reside

(B) slouch: stand

(C) yield: resist

(D) sue: convict

(E) argue: w

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