弱的知识是指可能（）的知识。
A.被证实
B.被证伪
C.出错
D.被认识
参考答案：C
The shoes _____ silk. the wine_____ rice. [ ]
A. are made of ; are made of
B. are made of ; is made of
C. are made of ; is made from
D. are made of; is made
行风问题是纪检监察机关管的事，因而行业主管部门可以不管行风。（）
