把有限的卫生资源配置到最能产生社会效益和经济效益的做法是体现()
A.公平公正原则
B.优先原则
C.效率、效益原则
D.价值原则
E.不伤害原则
参考答案:C
Lang Ping , who used to be captain of Chinese Women’s volleyball
team, ______volleyball in China for almost twenty years.
A.have played
B.played
C.was playing
D.had played
固气比是指单位时间内输送()的质量与输送所需的()质量之比值。