七方
参考答案：七方，是方剂分类之一。首见于《内经》，即大、小、缓、急、奇、偶、复七类不同的方剂。
放射免疫分析常用的分离法是（）
A.活性炭吸附
B.抗原抗体沉淀
C.树脂交换，色层分析
D.凝胶滤过法
E.活性炭吸附及抗原抗体沉淀
_____ physics, he likes maths better.
A．As he much likes
B．Much as he likes
C．Much likes as he
D．Likes much as he
