中国人过年吃的年糕是为了纪念哪位历史名人（）。
A.孙武
B.伍子胥
C.夫差
参考答案：B
— Sam can play volleyball well.
— So ______. [ ]
A. he does
B. does he
C. he can
D. can he
除另有规定外，水溶性基质栓剂的融变时限为（）
A.15min
B.30min
C.45min
D.60min
E.75min
