题目内容

Flu is a very ______ infectious disease. Fever, headaches, coughing and fatigue are some of its ______ symptoms.


  1. A.
    normal; common
  2. B.
    usual; ordinary
  3. C.
    common; usual
  4. D.
    ordinary; normal
C
解析:
考查形容词辨析:normal;正常的, common共同的,常见的, usual; 平常的,ordinary普通的,句意是:流感是很常见的传染病,发烧,头疼,咳嗽,疲劳是它平常的症状。选C。
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