你可能感兴趣的试题

问答题

是指政府采购管理机构委托政府采购机构通过招标确定供应商,各单位到定点供应商处采购货物和服务的政府采购方式。

单项选择题

Which of the following is not the common infection that affect cancer rates in China?()

A．Chronic hepatitis
B．Stomach ulcer caused by the bacterium helicobacter pylori
C．Nasopharyngeal carcinoma caused by EB virus
D．Skin inflammation