文书工作的中心任务即文书处理工作。
参考答案：对
I have lost one of my gloves. I _____ it somewhere. [ ]
A. must drop
B. must have dropped
C. must be dropping
D. must have been dropped
直肠癌排便次数增多或便血应与哪项鉴别：（）
A.痢疾、肠炎、内痔出血
B.直肠息肉、肛 * * 肥大
C.肛瘘
D.肛裂
E.胃癌
