下列情况在1922年初的苏俄不可能的是:[ ]
A.小商贩在自由市场出售面包
B.工人到市场购买粮食
C.农民的粮食全部交给国家
D.资本家经营鞋帽厂
答案:C
-- Have you moved into the new house?
-- Not yet. The rooms __________. [ ]
A. are painting
B. are being painted
C. are painted
D. have painted
在《隋唐制度渊源论稿》中认为,凉州文化是隋唐文化一脉重要的资源。这部书的作者是()。