以下不属于打包贷款用途的是（）
A.产品研发
B.原材料采购
C.产品生产和加工
D.商品装运
参考答案：A
Look! ______ Some fish on the table, and some apples ______ in the box. [ ]
A. is; are
B. are; is
C. are; are
D. is; is
如果建仓后市场行情与预料的相反，可以采取平均买低或平均卖高的策略。( )
