The scientists have made an______study of the viruses that cause the disease.A、e

游客2023-11-21  38

问题 The scientists have made an______study of the viruses that cause the disease.

选项 A、exhausted
B、exhausting
C、exhaustive
D、exhaustion

答案 C

解析 词汇,同源词。exhausted过去分词形容词化,耗尽的;exhausting现在分词形容词化,费时耗力的;exhaustive穷尽的,彻底的;exhaustion耗尽。科学家们对引起这种疾病的病毒进行了彻底的研究。
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