有助于异位妊娠诊断的检查不包括（）。
A.盆腔检查
B.妊娠试验
C.B型超声
D.大便隐血试验
E. * * 后穹隆穿刺
参考答案：D
下列哪项与蚯蚓的运动直接有关？（ ）
A．刚毛
B．环节
C．滑液
D．体节
An analyst does research about equity valuation of Yelp Industry. Yelp's dividend growth rate is 6% and its dividend retention ratio is 60%. If the justified forward price-to-earnings ratio on Yelp's stock is 16, the implied required rate of return on equity is closest to:（）
A. 3.50%
B. 8.50%
C. 9.75%
