与茜素氟蓝反应显色()
A. 黄体酮
B. 炔雌醇
C. 苯丙酸诺龙
D. 醋酸氟轻松
E. 丙酸睾酮
与硝酸银生成白色银盐沉淀()
A. 黄体酮
B. 炔雌醇
C. 苯丙酸诺龙
D. 醋酸氟轻松
E. 丙酸睾酮
They spend too much timethe report.
A. writing
B. to write
C. on writing
D. write
--What beautiful shoes you're wearing! They must be expensive--No,they only____ l0 yuan.
A. spent
B. took
C. paid
D. cost