急性肾衰竭是由于各种病因引起的肾功能在短期内急剧下降的临床综合征,包括________、________和________急性肾衰竭。
参考答案:肾前性 肾后性 肾实质性
Young drivers under 25 have the highest number of accidents while those over 50 have________. [ ]
A. the less
B. the fewest
C. the least
D. the fewer