2. 职称英语
  3. A good many online dietary instructions do not rest on solid scientific grounds.

A good many online dietary instructions do not rest on solid scientific grounds.

游客2025-01-16  25
问题 A good many online dietary instructions do not rest on solid scientific grounds.
The Internet is full of dietary advice and each nutritional plan is backed up by websites promising scientific evidence, though there usually isn’t any.
选项 A、True
B、False
答案 A
解析 语篇逻辑结构的判断。本段的关键词为“though”，表示转折的逻辑关系。原文前半句陈述为网上有众多关于饮食的建议，而且每一项营养指南都有相关网站提供科学依据，通过转折连接词，后半句对所谓的科学依据提出质疑，表示其实通常是没有科学依据的。因此，题干所述是正确的。关注原文内在逻辑，从而判断题干概括性陈述的正误。
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