画一条7 厘米长的线段,再画一条比它短3 厘米的线段。
The telephone_____talking to prople far away.
A.used buy
B.is used for
C.is used to
D.used for
卵巢的形态学特征正确的是()
A.成年妇女卵巢大小约4cm×3cm×1cm
B.卵巢表面有腹膜覆盖
C.卵巢白膜是一层平滑肌组织
D.髓质内含数以万计的原始卵泡
E.卵巢内侧以骨盆漏斗韧带与子宫相连