题目内容

根据Stocks方程计算所得的直径称为()

A. 定方向径
B. 等价径
C. 体积等价径
D. 有效径
E. 筛分径

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简述润湿性对药物制剂的影响及其表示方法。

Native Son is the masterpiece of______.

A. Ralph Ellison
B. Langston Hughes
C. Richard Wright
D. John Dos Passos

Not Without Laughter is written by______, the leading character of the Harlem Renaissance.

A. Langston Hughes
B. Richard Wright
C. Frederick Douglass
D. Alice Walker

______is NOT a novel in the Harlem Renaissance.

A. To Tell It on the Mountain
B. My Bondage and My Freedom
C. I Wonder as I Wander
D. Simple Speaks of His Mind

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