单选题Which of the following most accurately states the role of the first paragraph in relation to the passage as a whole?AIt summarizes two theories. the relative merits of which are debated in the passage.BIt puts forth an argument that the rest of the passage is devoted to refuting.CIt introduces a new concept that the rest of the passage expands upon.DIt frames the background and relevance of the material to follow.EIt outlines the majorthemes of each of the four paragraphs to follow.

单选题
Which of the following most accurately states the role of the first paragraph in relation to the passage as a whole?
A

It summarizes two theories. the relative merits of which are debated in the passage.

B

It puts forth an argument that the rest of the passage is devoted to refuting.

C

It introduces a new concept that the rest of the passage expands upon.

D

It frames the background and relevance of the material to follow.

E

It outlines the majorthemes of each of the four paragraphs to follow.


参考解析

解析:
推断题。第一段讲述了科学家们在了解疟疾方面所做的努力:“It took scientists centuries to deconstruct”,然后将疟疾与人类的健康联系“has contributed to the difficulty of devishag effective public health measures to combat the disease”,故D项的表述正确。

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