I can't seem to get anyone in the hospital to listen to my complaints and this outdated equipment is dangerous.
出自-2012年12月听力原文
Mountain climbing is becoming popular sport, but it is also a potentially dangerous one
出自-2012年12月听力原文
The conclusion was that social isolation is statistically as dangerous as high blood pressure, smoking and obesity.
出自-2010年6月听力原文