哪条韧带是从宫颈到达骨盆侧壁的
A.卵巢固有韧带
B.子宫骶骨韧带
C.子宫圆韧带
D.主韧带
E.骨盆漏斗韧带
参考答案:D
How long are you staying there?
-----______,but I will try to be back as soon as possible.
A.It all depends.
B.It doesn’t matter.
C.Every three weeks.
D.Not very long.
已知抛物线y=ax2+x+c与x轴交点的横坐标为1,则a+c的值为______.