Most people consider mosquitoes to be pests because they disturb our sleep with their buzzing sounds. These tiny insects can also be dangerous because they easily carry and spread diseases. Although people generally dislike mosquitoes, it appears that some people get bitten more often than others. Scientists have conducted many studies to find out why mosquitoes are attracted to certain people, and the results are interesting. The primary factor that draws mosquitoes towards humans is carbon dioxide.
大多数人认为蚊子是害虫，因为牠们的嗡嗡声会扰乱我们的睡眠。这些微小的昆虫也很危险，因为牠们很容易携带并传播疾病。虽然人们普遍不喜欢蚊子，但似乎有些人比其他人更常被蚊子叮咬。科学家们进行了许多研究来找出为什么蚊子会被特定的人吸引，而结果很有趣。吸引蚊子靠近人类的主要因素是二氧化碳。
生活必备字词：
magnet n. 磁铁
disturb vt. 烦扰；扰乱
be attracted to... 被……吸引
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本文节录自《常春藤生活英语》杂志，完整内容请见七月号。
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