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新GRE阅读理解36套真题及解析PDF电子版

2018-06-27 14:41:08来源：网络

　　提升GRE阅读，大家还是要做好扎实的基础，实力才是我们GRE阅读拿高分的最有效的方法。在备考的过程中，新东方在线GRE频道为大家整理了新GRE阅读理解36套的真题，希望通过这些内容，能够辅助大家更好的提升GRE阅读能力。

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　　题目预览：

　　Exercise 1

　　Questions 1 to 3 are based on the following reading passage. Immediately relevant to game theory are the sex ratios in certain parasitic wasp species that have a large excess of females. In these species, fertilized eggs Line develop into females and unfertilized eggs into males. 5 A female stores sperm and can determine the sex of each egg she lays by fertilizing it or leaving it unfertilized. By Fisher‘s genetic argument that the sex ratio will be favored which maximizes the number of descendants an individual will have and hence the 10 number of gene copies transmitted, it should pay a female to produce equal numbers of sons and daughters. Hamilton, noting that the eggs develop within their host—the larva of another insect—and that the newly emerged adult wasps mate immediately and disperse, 15 offered a remarkably cogent analysis. Since only one female usually lays eggs in a given larva, it would pay her to produce one male only, because this one male could fertilize all his sisters on emergence. Like Fisher, Hamilton looked for an evolutionarily stable strategy, 20 but he went a step further in recognizing that he was looking for a strategy.

　　1. The author suggests that the work of Fisher and Hamilton was similar in that both scientists

　　(A) conducted their research at approximately

　　the same time

　　(B) sought to manipulate the sex ratios of some

　　of the animals they studied

　　(C) sought an explanation of why certain sex

　　ratios exist and remain stable

　　(D) studied game theory, thereby providing important

　　groundwork for the later development of strategy theory

　　(E) studied reproduction in the same animal species

　　For the following question, consider each of the choices separately and select all that apply

　　2. The passage contains information that would answer which of the following questions about wasps?

　　A How many eggs does the female wasp

　　usually lay in a single host larva?

　　B Can some species of wasp determine sex

　　ratios among their offspring?

　　C What is the approximate sex ratio

　　among the offspring of parasitic wasps?

　　3. Which of the following is NOT true of the species of parasitic wasps discussed in the passage?

　　(A) Adult female wasps are capable of storing sperm.

　　(B) Female wasps lay their eggs in the larvae of

　　other insects.

　　(C) The adult female wasp can be fertilized by a male that

　　was hatched in the same larva as herself.

　　(D) So few male wasps are produced that extinction is

　　almost certain.

　　(E) Male wasps do not emerge from their hosts until they

　　reach sexual maturity.

　　题目解析预览：

　

　　以上就是关于“新GRE阅读理解36套真题及解析PDF电子版”的内容，更多精彩内容，请关注GRE频道!


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