Bird FluHere are some of the most common ques-tions about bird flu and travel:Q:What is bird flu?A:It is an infection among birds that istransmitted through saliva(唾液),nasal secretions(鼻腔分泌物)and feces(粪便),acc...
Every day,we are all influenced by themass media.Although some critics of the mediaclaim that these means of communication areused mainly to control our thinking and get usto buy products that we don’t need,the media...