我国农产品成本调查核算指标体系中,净利润的计算方法是()。
A.产值合计-总成本
B.产值合计-现金成本
C.产值合计-生产成本
D.产值合计-机会成本
参考答案:A
根据句意补全单词中所缺字母,使补全后的句子通顺、合理。
l.—What colour is Ann's skirt?
—It's r____d.
2.We often play g____mes after school.
3.Put your r____ler and your pen in the pencil-box.
4.My parents work f____ ve days a week.
5.There are a lot of cars and buses in the str____t.
6.Don't open the wind____ . It's cold outside.
血虚致痒的特点:()
A.走窜无定,遍体作痒、抓破血溢
B.浸淫四窜,黄水淋漓,越腐越痒
C.皮肤瘾疹、焮红灼热作痒
D.浸淫蔓延,黄水频流,状如虫行皮中
E.皮肤变厚、干燥、脱屑、作痒,很少糜烂流水