输卵管妊娠保守治疗最常用的药物是()
A.米非司酮
B.甲氨蝶呤(MTX)
C.天花粉
D.氟尿嘧啶
E.前列腺素
参考答案:B
The following data pertains to a company’s common-sized financial statements. Current assets 40% Total debt 40% Net income 16% Total assets $ 2000 Sales $1500 Total asset turnover ratio0.75 The firm has no preferred stock in its capital structure. The company’ s after-tax return on common equity is :()
A. 15%.
B. 16%.
C. 20%.
装配图要正确、清晰地表达装配体的()。
A.结构形式
B.形状、方向
C.高矮、大小
D.结构形状