[音频]What was Ang Lee’s most painful experience according to the passage?
A. Helping film crews with the equipment at the beginning of his career.
B. Working as editor’s assistant at the beginning of his career.
C. Being refused repeatedly by production companies when shopping a screenplay.
D. Struggling through six years of annoying, hopeless uncertainty.
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[音频]
A. Because he wanted to learn some skills to be employed.
Because he was interested in computer.
C. Because his wife encouraged him to do so.
D. Because he thought it would help with moviemaking.
[音频]
A. He would sooner or later win a golden statue.
B. He has a talent in making films.
C. He would obtain funding for his screenplay sooner or later.
D. He is very persistent and can also sacrifice for his family.
药物制剂的基本要求是( )。
A. 安全性
B. 有效性
C. 稳定性
D. 可控性
E. 均匀性
中药制剂的稳定性变化,一般包括( )。
A. 物理学变化
B. 化学变化
C. 生物学变化
D. 药理药效学变化
E. 制剂学变化