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2020年东北三省三校二模数学答案及试题(高三数学试题)

(2020-04-22 10:42:53)
2020年东北三省三校二模数学答案及试题(高三数学试题)。The two cold viruses that scientists had long known about were rhinovirus (鼻病毒) A and B. But they didn't find out about the existence of a third virus, rhinovirus C, until 2006. All three of them contribute to the common cold, but drugs that work well against rhinovirus A and B have little effect when used against rhinovirus C. “This explains most of the previous failures of drug trials against rhinoviruses,” study leader Professor Ann C. Palmenberg at the University of Wisconsin­Madison, US, told Science Daily.

Now, more than 10 years after the discovery of rhinovirus C, scientists have finally built a highly­detailed 3D model of the virus, showing that the surface of the virus is, as expected, different from that of other cold viruses.

With the model in hand, hopefully a real cure for a common cold is on its way. Soon, we may no longer have to waste our money on medicines that don't really work.

体裁:说明文 题材:医学研究 主题:感冒

【语篇解读】 本文是一篇说明文,主要介绍了科学家们对普通感冒的相关研究。

【难句分析】 According to James Taylor, professor at the University of Washington, colds usually go away on their own in about a week, improving a little each day after symptoms peak, so it's easy to believe it's medicine rather than time that  deserves the credit, USA Today reported.

分析:本句是一个复合句。so引导结果状语从句;句中it's medicine rather than time that deserves the credit是省略了that的宾语从句;it's... that... 是强调句,对medicine rather than time进行强调。

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