对文件的承办情况和处理结果予以简要注明的行为过程称为（）。
参考答案：注办
—Where's Mike? I haven't seen him for a week.
—He _____ to Hong Kong and he'll be back soon.
A. is going
B. has gone
C. has been
D. went
复曲线的两超高不相等时，应在（）范围内，从（）向（）均匀顺坡。
