Despite high prices of the goods, the shopping mall is always attracting a lot of customers for

its ________ supplies.[ ]

A. diverse  

B. discount

C. abundant  

D. effective

关于缩宫素的用法正确的是()

A．宫口开全宫颈注射缩宫素10U

B．5%葡萄糖盐水500ml+缩宫素10U静滴足月妊娠催产

C．继发性宫缩乏力第二产程延长，缩宫素10U静推

D．宫缩乏力所致的产后出血，缩宫素20U宫颈注射

E．不协调性宫缩乏力，5%葡萄糖盐水500ml+缩宫素2.5U静滴