近年来研究证实，以下何药物中含有马兜铃酸（）
A.车前子
B.关木通
C.木防己
D.通草
E.益母草
参考答案：B, C, E
His brother, ______ Andy, likes playing football very much and has joined a football club.
[ ]
A. /
B. for example
C. as long as
D. such as
音乐家张某不幸英年早逝，留下创作完成而未及公开的乐曲《草原恋歌》，张某的继承人可以继承该作品的权利有（）
A.修改权
B.表演权
C.署名权
D.复制权
E.发表权
