多发性硬化急性发作最有效的治疗是()
A.大剂量免疫球蛋白
B.血浆交换
C.甲泼尼龙冲击
D.大剂量泼尼松
E.干扰素-β
参考答案:C
Basketball is an outdoor game. It has a history of _____. [ ]
A. less than a century
B. more than 100 years
C. about 50 years
D. 80 years