患者女性,33岁,1年前行人工流产后出现月经失调,拟诊断为黄体萎缩不全。 为进一步明确诊断,应首选( )
A. 阴道宫颈细胞学检查
B. 宫颈活检
C. 诊断性刮宫
D. 输卵管畅通术
E. 宫腔镜检查
(The) number of leprosy cases around the world (has been) cut (of) ninety (percent) during the past ten years.A. The B. has been C. of D. percent
(由
A. 0.17
B. 0.23
C. 0.74
D. 1.36