膀胱外翻疾病患儿的活胎出生率是()
A.1/100000
B.1/60000
C.1/50000
D.1/70000
E.1/90000
参考答案:C
解词。
(1 )确凿:______________________________
(2 )臃肿:______________________________
(3 )攒: ______________________________
(4 )机关:______________________________
(5 )鉴赏:______________________________
(6 )人声鼎沸:______________________________
(7 )恭敬:______________________________
(8 )高枕而卧:______________________________
企业新增1元资金所需负担的成本是 ( )。
A.资本成本
B.个别资本成本
C.综合资本成本
D.边际资本成本