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NEW TPO 2 What does the passage identify as an important concern about Vibrio bacteria today?

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Vibrio Bacteria
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Vibrio bacteria are a type of bacteria commonly found in coastal waters. These bacteria are known for their ability to cause a variety of infections in humans, ranging from mild gastroenteritis to severe wound infections. Vibrio species thrive in warm, salty environments, making them particularly prevalent in tropical and subtropical regions. There are more than twenty different species of Vibrio bacteria, with Vibrio cholerae, Vibrio parahaemolyticus, and Vibrio vulnificus being the most well-known.

One of the most concerning aspects of Vibrio bacteria is their increasing resistance to antibiotics. Over time, some strains of Vibrio have developed mechanisms to evade the effects of commonly used antibiotics. Researchers are working to understand the genetic mutations that contribute to this resistance, which could lead to the development of more effective treatments.

选项a Additionally, climate change is amplifying the risks associated with Vibrio bacteria. 选项b Rising sea temperatures and changing salinity levels create ideal conditions for these bacteria to multiply. 选项c As a result, there has been a noticeable increase in Vibrio-related infections in regions previously unaffected. 选项d This trend underscores the importance of monitoring environmental changes and implementing public-health strategies to mitigate the impact of these bacteria.

3.What does the passage identify as an important concern about Vibrio bacteria today?

你的答案:
正确答案:D
题目解析:
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题干翻译:文章认为如今关于弧菌的一个重要担忧是什么? 定位:题干核心是 “如今关于弧菌的重要担忧”,关键信息位于原文第二段第一句 “One of the most concerning aspects of Vibrio bacteria is their increasing resistance to antibiotics.”。 选项分析: A 选项(They are becoming less common in tropical regions,它们在热带地区变得越来越少见):原文第一段提到弧菌在热带和亚热带地区 “尤其普遍”,且第三段指出气候变化使弧菌感染在更多地区增加,该选项与原文矛盾,排除。 B 选项(They are causing fewer health problems in humans,它们给人类带来的健康问题越来越少):原文未提及健康问题减少,反而提到抗药性和气候变化加剧了感染风险,该选项无依据,排除。 C 选项(Certain kinds are mutating more rapidly than other kinds,某些种类的突变速度比其他种类更快):原文第二段提到弧菌存在 “导致抗药性的基因突变”,但未对比不同种类弧菌的突变速度,该选项属于无中生有,排除。 D 选项(Certain kinds have become resistant to an important drug,某些种类已经对一种重要药物产生了抗药性):“important drug” 对应原文的 “antibiotics(抗生素)”,“have become resistant” 与 “increasing resistance” 含义一致,准确匹配文章强调的核心担忧,是正确答案。

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