提高医疗质量的思想保障是（）。
A.治疗技术
B.医疗设备
C.规章制度
D.医德医风
E.经济效益
参考答案：D
— He got his first book published. It turned out to be a bestseller.
— When was __________?
—__________ was in 2000 when he was still in college.
A．that; This
B．this; It
C．it; This
D．that; It
一战期间民族资本主义发展较快的行业不包括
A．面粉业
B．钢铁业
C．纺织业
D．造纸业
