常用粒系集落刺激因子的治疗剂量为()
A.7μg/(kg·天)
B.4μg/(kg·天)
C.6μg/(kg·天)
D.5μg/(kg·天)
E.3μg/(kg·天)
参考答案:D
In some part of the world, tea _____ with milk and sugar.
A.is serving
B.is served
C.serves
D.served
在“是一元之气流行于天地之间……而万物由之以化生”中,“一元之气”是指()
A.乾元之气
B.坤元之气
C.纯阳之气
D.阴阳未分混沌之气