2. 外语
  3. It wasn’t until the late 19th century that physicians realized that its______symptoms were all part of the same disease.

It wasn’t until the late 19th century that physicians realized that its______symptoms were all part of the same disease.

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问题 It wasn’t until the late 19th century that physicians realized that its______symptoms were all part of the same disease.
选项 A、perfunctory
B、peremptory
C、perplexing
D、perambulatory
答案C
解析 本题的四个选项中，perfunctory意为“马马虎虎的”；peremptory意为“断然的，专横的”；perplexing意为“复杂的，令人困惑的”；perambulatory意为“闲荡的，巡视的”。本题的句意是，直到19世纪末内科医师才发现那些复杂的症状都是源自同种疾病。因此正确答案是C项。
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