【简答题】熟读理解课文,完成 Tasks 1 Text A Hepatitis B Hepatitis is an inflammation of the liver. It may be caused by drugs, alcohol use, or certain medical conditions. But in most cases, it's caused by a virus that i...
【单选题】Although hepatitis A is a short-term illness that goes away completely, hepatitis B and C can turn ___ serious long-term or chronic illnesses for some people.