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Online social networks are massively influential, yet we understand very little about the impact they have on our brains. Recent
Online social networks are massively influential, yet we understand very little about the impact they have on our brains. Recent
admin
2012-05-04
50
问题
Online social networks are massively influential, yet we understand very little about the impact they have on our brains. Recently, scientists have found a direct【C1】______ between the number of Facebook friends a person has and the size of【C2】______ brain regions. The study also shows the more Facebook friends a person has, the more real-world friends he is【C3】______to have.
Facebook users who have a【C4】______ of friends also tend to have smaller circles of friends in the real-world and,【C5】______ those who have thousands of friends on Facebook are likely to have larger circles offline, according to the study. The findings support the【C6】______ that most Facebook users use the site to【C7】______ their existing, real-life social relationships, maintaining or reinforcing these friendships,【C8】______creating a network of entirely new,【C9】______friends.
The researchers scanned the brains of 125 university-aged Facebook users,【C10】______these scans to the size of their friend networks online and the real-world. Those with larger Facebook networks had larger amounts of grey matter in several regions of the brain. One of these regions, the amygdala, is【C11】______with processing memory and emotional responses. Pairing this【C12】______ another recent study, the researchers show increased volume grey matter in the amygdala【C13】______a larger network of real-world friends.【C14】______ these studies show a large network of online friends also point to an increased volume of grey matter—【C15】______ information processing occurs. In addition to brain scans, the participants were asked questions【C16】______to compare the size of their online networks to the size of their real-world networks.
The study【C17】______ the correlation between the number of friends online【C18】______ offline. Still, it is not possible from the【C19】______to say whether having more Facebook friends makes the regions of the brain larger【C20】______ whether some people are " hardwired" to have more friends.
【C6】
选项
A、premise
B、decision
C、idea
D、advice
答案
C
解析
名词辨析题。句意为:这些发现支持这样一个观点,即大多数“脸书”用户都是用网络来支持已经存在的社会关系,保持或加强这些友好关系,而不是与完全陌生的、虚拟世界的朋友建立关系网。空格后,that引导同位语从句,说明前面空格名词的具体内容,在这里讲述的是一种发现或观点,因此idea为本题答案。从句中所述内容显然不是advice“建议”或decision“决定”;根据上下文,作者 没有在该句之后再作推论,因此该句内容不是premise“前提”。
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0
专业英语四级
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