不准翻书！
A revolution has taken place in medical science as a result of * the introduction of new methods of surgically implanting artifical and human organs*
A\
B\ the introduction of new surgical implantion methods of human and artificial organs
C\ the surgical introduction of new artificial and human organ implantation methods
D\ the introduction of implantation methods of new artificial and human organs
E\the introduction of methods of surgically implanting new artificial and human organs作者: sunny 时间: 2002-7-8 14:34
