Which of the following statements is true of FBI, according to this news?
A.It was alerted about the Sept. 11, 2001 terrorist attacks as early as 2000.
B.It captured some terrorists secretly in 2000.
C.It arrested Anthony Shaffer before Sept. 11, 2001.
D.It reported the threat on the Sept. 11,2001 terrorist attacks to the White House.
第1题
______不是活动资源估算的工具。
A.专家判断法
B.公开的估算数据
C.挣值管理
D.估算软件
第6题
A.自上而下估算
B.多方案分析
C.专家判断
D.项目管理软件
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