It is important to have your eyes examined regularly to check for any sign of eye disease that may not have any ________.
A.symptomB.shadowC.treatmentD.convenience
A

試題分析:考查名詞辨析。A ,病癥,癥狀;B陰影,影子; C 治療,D方便,句意:定期對眼睛進行檢查是很重要的,以便檢查出任何可能的眼部疾病的征兆,這些疾病可能是沒有癥狀的。選A。
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