_______ of the furniture in the museum ______ from Ming and Qing Dynasty.

A．Two-thirds; is

B．Two-thirds; are

C．Two-third; is

D．Two-third; are

首先提出肾与腰部疾病有密切关系的著作是（）

A.《金匮要略》

B.《伤寒论》

C.《七松岩集》

D.《丹溪心法》

E.《内经》