The symptoms of the disease manifested themselves ten days later.A:eased B:impr

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问题 The symptoms of the disease manifested themselves ten days later.

选项 A:eased
B:improved
C:relieved
D:appeared

答案D

解析本句意思:十天后,这种病的症状显现出来。manifest显现,使人注意到。ease使宽慰,缓解,减轻;improve改进,改善;relieve使放松,使(疾病、疲劳等)缓解;appear显现,呈现,出现。
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