选择性地将大分子免疫复合物(IC)沉淀下来的PEG浓度为().
A.1%~2%
B.2%~3%
C.3%~4%
D.4%~5%
E.5%~6%
参考答案:C
When they moved to the new place,the children ________the change very well.
A.adapted to
B.adopted to
C.used to
D.attempted to
城乡集市贸易市场可以出售的药品是().
A.中药材
B.中药饮片
C.中成药
D.民族药
E.化学药