2. 职称英语
  3. If this active gene is a mutation that would otherwise have been recessive, it c

If this active gene is a mutation that would otherwise have been recessive, it c

游客2025-01-19  1
问题 If this active gene is a mutation that would otherwise have been recessive, it can lead to disease. Conversely, if the silenced gene is harmful in some way, imprinting can be beneficial.
选项 A、Confusingly
B、Contrarily
C、Comparatively
D、Conceivably
答案 B
解析 词义辨析。观察两个条件之间的逻辑关系，先从“active gene”和“silenced gene”看出前后是相反相对的关系，再由“beneficial”和“lead to disease”的语义相悖确定判断，因此替换部分应为“完全相反地，相对地”，B答案最符合。
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