Are they horses? __________.[ ]
A. Yes, they aren't
B. No, they are
C. Yes, they are
答案:C
协调的主要哲学依据是矛盾的()。
对于农产品收购可采取()的采购方式。
A.市场选购
B.合同定购
C.计划收购
D.预购