An experienced doctor usually judges a patient’ s illness according to the various________.

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问题 An experienced doctor usually judges a patient’ s illness according to the various________.

选项 A、signs
B、symptoms
C、signals
D、appearances

答案B

解析本题考查名词辨析。sign意思是“标记，迹象，记号”；symptom意思是“症状”；signal意思是“信号”；appearance意思是“外观，外表”。因此选B。

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大学英语三级B级

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