不是黏膜下肌瘤的临床表现的是（）
A.易出现白带增多
B.月经周期缩短
C.不规则 * * 出血
D.双合诊易触及肌瘤
E.易继发感染
参考答案：D
If you want to learn English well, you should practise speaking ______ possible. [ ]
A. as many as
B. as much as
C. as good as
要解决的问题通常是具体的、日常的、重复出现且有规律可循的问题，属战术性范畴的是( )
A．指挥
B．计划
C．管理
D．经营
