美国档案工作者通常采用档案学家谢伦伯格的双重价值论，将档案文件的价值划分为第一价值和第二价值。
参考答案：对
—Where are the girls?
—They _______ the zoo.[ ]
A. have been to
B. have gone to
C. have been in
D. have gone in
培训课程设计的程序有哪些？
