被誉为“舟楫之剂”，能载药上行之品为（）
A.橘皮
B.桔梗
C.柴胡
D.牛膝
E.吴茱萸
参考答案：B
She ___________Simon and then they do their homework at his home．[ ]
A. meet up with
B. meet up
C. meets up with
D. meets with
混凝土浇捣前的准备工作要求：混凝土自由倾落高度不宜超过（）
A.1m
B.1.5m
C.1.8m
D.2m
