免疫防御功能不包括()
A.消灭外来的细菌
B.消灭外来的病毒
C.清除细菌的毒素
D.清除突变的细胞
参考答案:D
"This practice" in Paragraph 1 most probably refers to the fact that the middleman ______.
A.increases the prices in the shops
B.buys from you and sells to me
C.aims remarks at manufacturers
D.interferes with end user customers
项目决策管理是指( )对项目的管理。
A.投资者B.公司监事会C.项目法人D.政府机构