单项选择题

第三方电子商务平台模式不属于任何保险公司或者附属于某大型网站。（）

A．对
B．错

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The half lives of low-energy 3H and 14C are 5730 years and 12.35 years, respectively. It is not necessary to consider the correction of physical half lives during experiment.

答案：错误

多项选择题

材料预算价格由以下哪些组成。 A.
材料原价 B.
运杂费 C.
场内运输损耗费 D.
场外运输损耗费 E.
采购及保管费