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B.The Unfair College Judicial SystemC.The Originates of the Unfairness of College Judicial systemD.A Comparison of Two Parallel Judicial Systems 参考答案： A 其他选项只论述其中的一些方面，不能概括全文。----------------------------------------5The review is primarily A.objectiveB.ambiguousC.criticalD.sardonic 参考答案： C 从全文可看出，作者对高校裁决体系持以批判态度。----------------------------------------1Which of the following statements best reflects the main idea of the passage ? A.The less a person eats, the longer he or she will live.B.Guarente and other researchers encourage people to eat and drink moderately.C.The scientists in Massachusetts Institute of Technology have made great contribution to the science.D.Guarente’s experiments have succeeded in unlocking the secrets of long life. 参考答案： D 本文介绍了生物学家Guarente如何通过实验揭示长寿之迷。 SIR2 “silences” misfiring genes by keeping the cell?s DNA tightly coiled. This slows down the deveploment of genetic waste in the nucleus, which ultimately leads to the cell?s death.” SIR2使细胞的DNA 紧紧地缠绕在一起，从而“抑制了”那些正在失去活力的基因。这就减慢了核细胞中遗传垃圾的生长，而遗传垃圾将最终导致细胞的死亡。文章主要讲述的是科学家如何揭示长寿之迷。A项的表述不准确； B项，文章没有指出科学家鼓励人们节食；C项不是文章的主旨。----------------------------------------2In the experiment (paragraph 2 ), the lab mice lived up to 16 months longer than their expected lifetime because ? A.The lab mice were fed special medicine which restricts the caloric of food severely.B.The lab mice only took a little more than half of the normal amount of food.C.The lab mice were fed another 60 percent addition to the normal amount of food.D.The expected 40 month lifetime was not scientific. 参考答案： B 第2段指出供实验用的老鼠寿命比预期寿命延长的原因是：研究人员把老鼠的食量减为正常食量的60%。----------------------------------------3According to the passage, the “yeast” refers t
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