用三块正多边形的木板铺地，拼在一起并相交于一点的各板完全吻合，如果其中两块木板的边数都是5，则第三块木板的边数是（ ）。
10
Not until the woman was out of work again two months ago ____ going to attend a training class.
A．had she considered
B．did she consider
C．she considered
D．she had considered
与神志活动关系最密切的脏是（）
A.肝
B.脾
C.肾
D.肺
E.心
