2. 职称英语
  3. The cause of the disease is fairly simple and has been understood for over a cen

The cause of the disease is fairly simple and has been understood for over a cen

游客2025-02-20  16
问题 The cause of the disease is fairly simple and has been understood for over a century; by contrast, its symptoms and effects are ________.
选项 A、straightforward
B、illuminating
C、severe
D、well researched
E、perplexing
答案 E
解析 -方程等号：by contrast，反义重复。
- 强词和对应：分号前说这个疾病的原因很简单并且一个多世纪以来这个原因一直被人们所熟知。空格和simple，understood根据by contrast构成反义重复，体现病的症状和效果是“不简单的，难以理解的”。straightforward坦率的，illuminating启发的，severe严重的，wellresearched深入研究的，perplexing令人费解的。答案选E。
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