It is important that everyone learns to identify the warning signs of diabetes, because it has devastating ________if not treate

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问题 It is important that everyone learns to identify the warning signs of diabetes, because it has devastating ________if not treated early and managed appropriately.

选项 A、illness
B、symptoms
C、infections
D、complications

答案D

解析 本题考查名词辨析。根据the warning signs可知,diabetes(糖尿病)本身就是一种危险的病症;再结合if引导的状语判断,不尽早治疗和诊断,会引起更严重的情况。一种疾病在发展过程中引起另一种疾病或症状的情况,称后者为前者的并发症,complication(并发症)最符合题意,故D 项为答案。illness意为“疾病”;symptom意为“症状”;infection意为“传染,感染,传染病”。
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