The sweet confection known as chocolate is consumed to the delight of millions worldwide every day. Few of those sweet-toothed n

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问题     The sweet confection known as chocolate is consumed to the delight of millions worldwide every day. Few of those sweet-toothed nibblers fully appreciate the long process by which chocolate is brought to their mouths, however. With an illustrious history, the story of chocolate is a fascinating one, almost rivaling its taste for the attention of its fans.
    The dark treat’s life begins in the form of the dark, pulpy seeds of the cocoa tree, known as chocolate beans. The Mayans of Southern Mexico harvested these beans to produce a bitter drink, marking them as the first to consume chocolate. The first westerner to encounter chocolate, however, was none other than Christopher Columbus, who discovered an abandoned canoe in the American containing various trading goods, including the aforementioned chocolate beans, on August 15, 1502.
    After Hernando Cortez encountered the Mayans and their curious drink, chocolate quickly became popular among the nobility in Europe, who sweetened it with sugar. In 1882, chocolate pioneer Conrad J. Von Houten earned the distinction of being the inventor of solid chocolate when he pulverized the beans to create a powder, which could then be mixed to create a solid form. Von Houten’s innovation made chocolate even more popular, allowing it to spread to the masses, particular in England, which was more egalitarian than most other European nations. Solid chocolate took off, never looking back, and has yet to slow down at all.
    The health implications of eating chocolate are varied, depending on which reports one chooses to read. In general, most of the negative press that chocolate has received over the years has been refuted. The claim that consuming chocolate produces acne has been disproved in recent years, and it has even been concluded in some studies that eating chocolate can contribute to preventing heart disease.
    As to why chocolate lovers seem so happy, science has provided some insight into that question as well. It has been determined that chocolate contains certain elements such as caffeine that increase the production of anandamides, the chemical produced by the body that makes us feel good. Further, other chemicals contained in chocolate have been proven to inhibit the breakdown of those anandamides, making the good feeling last longer.
The main purpose of this text is to______.

选项 A、convince the reader of the beneficial effects of consuming chocolate
B、educate the reader on the history of chocolate
C、inform the reader on the development of chocolate and its continued study today
D、scientifically examine the implications of chocolate consumption in the past and at present

答案C

解析 属主旨思想题。文章第一段第二、三句指出:这些喜爱吃甜食的人当中很少有人充分认识到巧克力在人口之前经历的漫长过程。巧克力曾经有过辉煌的历史,它的故事很吸引人……。第二、三段详细介绍了巧克力的发展史;第四、五段介绍了有关巧克力的研究发现。由此可知,本文的主要目的是告诉读者有关巧克力的历史与研究发现。因此,选项C正确。选项A是文章最后两段的内容,不能概括全文;选项B是第二、三段的内容,也不全面;选项D的内容在最后一段提及,不能概括全文。
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