语法与词汇 11.The United States has always acted as a______for people seeking fame and fortune.
【正确答案】 A
【答案解析】名词形似义异辨析。magnet表示“有强大吸引力的人或物”,通常与介词for连用,如:This disco is a magnet for young people.这家迪斯科舞厅经常吸引大批年轻的顾客。