贵重细料药在颗粒剂制备过程中的加入时间是()
A.整粒阶段
B.制颗粒阶段
C.干燥阶段
D.精制阶段
E.包装阶段
参考答案:B
He collected information on 1,000 people, whose IQ when they were ten years old.
A.is tested
B.has tested
C.would test
D.had been tested
绘图描深时,应按()选择铅笔。
A.先后顺序
B.重要程度
C.清晰度
D.线型