结核性腹膜炎常见的并发症
A．急性肠穿孔B．慢性肠穿孔C．感染中毒性休克D．肠梗阻E．腹腔脓肿
参考答案：D
含大量孕激素避孕药的主要作用环节是（）
A.抑制排卵
B.抗孕卵着床
C.抑制子宫内膜正常增殖
D.使子宫宫颈的黏液变黏，阻止精子进入宫腔
E.影响子宫和输卵管的正常活动
________, what she had devoted herself to resulted in nothing but failure.
A．To her much disappointment
B．To her great disappointment
C．Great to her disappointment
D．To her disappointment much
