第10题: [单项选择]When he lived in that remote place, radio was the only means be had to keep ______ of current events in the country. A. account B. trace C. record D. track 参考答案:D 答案解析:(track行踪；keep track of掌握……的线索，保持对……的联系)。句意为：他在偏僻的地方生活时，收音机是他及时了解国家时事的唯一工具。A．account叙述，描写；B．trace踪迹；C
