【简答题】In many parts of the world cars play an essential role in daily life and many societies would stop to function without them. So the claim that in 20 years’ time no one will own cars may be hard to bel...
【单选题】Major life changes may play a role in as many as a quarter of chronic daily headache cases that arise among otherwise healthy adult men and women, study findings suggest. 'Major life events may precip...
【简答题】Do you agree or disagree: people would meet many problems in their daily life and they would solve them by themselves or from the help of their families; the help from the government is not necessary?