A. if there isn’t enough dopamine in your body B. what affects muscles all through your body C. which cannot be cured yet D. if

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问题 A. if there isn’t enough dopamine in your body
B. what affects muscles all through your body
C. which cannot be cured yet
D. if you have a fixed or blank expression
E. which may be the first symptom you notice
F. what causes Parkinson’s disease
One of the most common signs of Parkinson’s is tremor______.

选项

答案E

解析 帕金森症最主要的一个症状就是颤抖。颤抖也可能是你注意到的最初症状。根据是第三段的第一句话:“Tremor may be the first symptom you notice.”可知E正确。
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