柔版印刷具有（）等特点。
A.制版时间长
B.色彩再现稳定
C.网点不易扩大
D.印刷速度快
E.“绿色印刷”
参考答案：A, D, E
Kate ________ on her new novel, which is supposed to come out next month.
A．was working
B．had worked
C．will be working
D．has been working
输液过量诱发充血性心力衰竭的发病机制是（）
A.原发性心肌收缩力下降
B.继发性心肌收缩力下降
C.容量负荷过重
D.压力负荷过重
E.梗阻性病变
