文档管理包括( )等。
A.文件收发
B.文件管理
C.档案管理
D.信息管理
E.资料管理
参考答案:A,B,C,D
____,they continued the work.
A.As it was late
B.It was late as
C.It was as late
D.Late as it was
胆囊结石多为
A.胆固醇结石B.胆色素结石C.混合性结石D.以上都不是E.以上都是