He has suffered from this ______ disease for about a couple of years now, no eff

游客2024-05-23  10

问题 He has suffered from this ______ disease for about a couple of years now, no effective medicine for it at the moment.

选项 A、perpetual
B、permanent
C、chronic
D、sustained

答案 C

解析 难词辨义。原句意为:这种慢性病已折磨了他两三年了,目前没有什么有效的药物。chronic意为“(尤指疾病)慢性的,习惯的,长期的”,表示疾病的病程长,其反义词是acute。A. perpetual意为“长期的,长久的”;B. permanent意为“永久的,持久的”;D. sustained意为“持续不变的;相同的”,A、B、D都不能与cough(咳嗽)搭配使用。
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