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。
.The underlined word “fatal” has the closest meaning to ________.
A.optimistic B.deadly
C.common D.fantastic
答案:B 词义猜测题。optimistic乐观的;deadly致命的;common常见的;fantastic奇异的。根据文章第四段的The information we have gathered will now allow us to monitor for such changes in an outbreak as well as develop future treatment strategies和该段的the evolutionary goal of Ebola virus可知埃博拉病毒变得更加致命。由此推断fatal是致命的。故选B。
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