流动资金分项详细估算法中,流动负债的构成要素包括( )。
A.现金 B.预收账款 C.应收账款 D.产成品
参考答案:B
The model toys are __ recycled material. [ ]
A. made of
B. made from
C. made in
D. made by
引起先天性畸形的环境致畸因子包括()
A.生物性致畸因子
B.物理性致畸因子
C.致畸性药物
D.致畸性化学物质