The students are having a ____ time.
A. well
B. good
C. nice
答案：B
25．From________seemed to be a great distance，he smiled at her，and she smiled，too．
A．it
B．that
C．what
D．Which
能抑制α-葡萄糖苷酶的药物是（）
A.格列本脲
B.普通胰岛素
C.阿卡波糖
D.二甲双胍
E.罗格列酮
