标题: 【求助】885 20 19 [打印本页] 作者: nut728 时间: 2010-10-9 16:58 标题: 【求助】885 20 19 19.As the etched lines on computer memory chips have become thinner and the chips’ circuits more complex, both the power of the chips and the electronic devices they drive have vastly increased. (A) the chips’ circuits more complex, both the power of the chips and the electronic devices they drive have (B) the chips’ circuits more complex, the power of both the chips and the electronic devices they drive has (C) the chips’ circuits are more complex, both the power of the chips and the electronic devices they drive has (D) their circuits are more complex, the power of both the chips and the electronic devices they drive have (E) their circuits more complex, both the power of the chips and the electronic devices they drive have