妇科检查床的台垫更换应
A.按人
B.每天
C.隔天
D.每周
E.必要时
参考答案:A
There _______ a sports meeting next week. [ ]
A. is going to have
B. is going to be
C. is going to has
D. going to be
泥浆循环工艺分为()和()两种。