2017届高考英语一轮复习阅读理解解析版汇编：4（含解析）_高考复习指南

2017届高考英语一轮复习阅读理解解析版汇编：4（含解析）

　　答案：C　主旨大意题。A项严重的埃博拉病毒是怎么样的；B项埃博拉病毒是如何传播的；C项埃博拉病毒是如何变得致命的；D项科学家们为埃博拉病毒做出了什么样的贡献。根据题干关键词the first paragraph。通读第一段，并根据第一句话Scientists investigated why Ebola virus is so deadly when it spreads from animals to humans and then from humantohuman contact可知该段的大意是埃博拉病毒是如何逐渐变得致命的。故选C。

　　．Which of the following statements is mentioned in the passage?

　　A．In the first stage, the virus hurts its victims much.

　　B．As the virus spreads, it'll change and become more and more deadly.

　　C．The research in Ebola virus is more advanced than that in other viruses.

　　D．The scientists have a negative attitude to the research in Ebola virus.

　　答案：B　推理判断题。根据文章第一段的They found that initially the animal systems were not affected by the virus, but succeeding transmission(传送) into other animals caused the virus to “hot up” and become more severe中的关键词initially可知A是错误的；根据文章的倒数第二段“Our understanding of Ebola virus biology is way behind that of other viruses and our cooperation shows how we can bring together our specialists' skills to close this knowledge gap.”排除C；根据文章最后三段可排除D；根据文章第一段的最后一句话的后半句succeeding transmission(传送) into other animals caused the virus to “hot up” and become more severe可知选B。