2. 职称英语
  3. Under ethical guideline recently adopted by the National Institutes of Health, h

Under ethical guideline recently adopted by the National Institutes of Health, h

游客2025-03-30  19
问题 Under ethical guideline recently adopted by the National Institutes of Health, human genes are to be manipulated only to correct disease for which______treatments are unsatisfactory.
选项 A、similar
B、dangerous
C、uncommon
D、alternative
答案 D
解析 本题考查形容词辨析。A相似的；B危险的；C不寻常的，罕有的；D供选择的，选择性的，交替的。句意为：根据国家健康研究机构最近通过的基于伦理学的指导方针，人类的基因只有在(其他的)治疗方案无法令人满意的情况下才可以改变。D为正确选项。
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