—Have you heard _____ Liu Xiang?

—Of course. He is one of _____ players around the world.[ ]

A. of; more popular                    

B. of; the most popular

C. from; the most popular                

D. about; popular

女性,26岁，因甲状腺功能亢进行甲状腺切除，术后第二天出现手足抽搐。采用的治疗方法是

A．颈部理疗

B．口服甲状腺素片

C．口服复方碘化钾溶液

D．气管切开

E．静脉注射10%葡萄糖酸钙