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.
【简答题】根据短文内容,从下框的A---F选项中选出能概括每一段主题的最佳选项,并在答题卡上将该选项涂黑。选项中有一项为多余选项。 s keep pets with their children. Pet-keeping has a very long history. Pet-keeping may do harm to animals. People keep pets for their a...