Although students are ________ to more, they typically know less and are less mature than the

generations before.

[ ]

A. displayed

B. released

C. explored

D. exposed

不是缩宫素特点的是（）

A.能直接兴奋子宫平滑肌

B.对子宫体兴奋作用强

C.对子宫颈有松弛作用

D.对子宫作用敏感性不受女性激素的影响

E.大剂量引起子宫平滑肌强直性收缩