月经脱落的子宫内膜包括()
A.致密层
B.海绵层
C.基底层
D.致密层和基底层
E.海绵层和致密层
参考答案:E
______ people will watch London Olympic Games on TV in 2012. [ ]
A. Million of
B. Millions of
C. Millions
D. Million
增减注册资金的纳税人,不需要办理变更税务登记。( )