2. 外语
  3. The doctor warned him that his __________ chest pain might turn chronic if not treated in time.

The doctor warned him that his __________ chest pain might turn chronic if not treated in time.

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问题 The doctor warned him that his __________ chest pain might turn chronic if not treated in time.
选项 A、perpetual
B、persistent
C、eternal
D、periodic
答案C
解析 医生警告他说，时而发生的胸部疼痛如果不及时医治可能会变成慢性的疾病。本题是考查形容词的词义辨析。perpetual“永恒的；持续的，不间断的”，多修饰动作性名词，如 perpetual complaints；persistent“坚持的，不屈不挠的”；eternal“永恒的”，含褒义；periodic“定期的，周期性的，时而发生的”。
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大学英语六级

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