下列哪一项不能归属于经前期综合征的范畴()
A.经行 * * 胀痛
B.经行泄泻
C.经行浮肿
D.经行口糜
E.痛经
参考答案:E
This_________woman has devoted all her life_________caring for the poor.
A.modest; with
B.kind; to
C.selfish; for
D.unfair; at
平面连杆机构的四个构件是通过高副连接而成的,简称平面四杆机构。