2. 外语
  3. A. Scientists do not know exactly why Hepatitis develops. B. Hepatitis A often breaks out in filthy places where food and wa

A. Scientists do not know exactly why Hepatitis develops. B. Hepatitis A often breaks out in filthy places where food and wa

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问题 A. Scientists do not know exactly why Hepatitis develops.   
B. Hepatitis A often breaks out in filthy places where food and water are easily contaminated.   
C. Symptoms of hepatitis include languor, loss of appetite, distress of the stomach, and yellowness of urine.   
D. Hepatitis B is the best-known form of viral hepatitis.     
E. The chronic hepatitis lasts a long time and is most likely to recur.   
F. People should pay attention to public environment for the preservation of health.  
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选项
答案F
解析 见第三段最后一句，“People with chronic hepatitis may experience mild，vague symptoms of fatigue and poor appetite．”慢性肝炎患者会受到轻微的，诸如乏力，缺乏食欲等症状的折磨。
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