某工程时标网络图如下，下列选项说法正确的是()。
A. 工作A的LF为3
B. 工作C的TF为1
C. 工作E的TF为2
D. 工作G的FF为3
下图所示的组织工具是()。
A. 项目结构图
B. 组织结构图
C. 合同结构图
D. 线性组织结构图
The first day they come to Disney parks， all new employees______.
A. begin by receiving on-the-job training
B. must learn several jobs
C. begin as ticket takers
D. have already attended Disney University
According to the reading, which of the following is correct about Rugby？
A. Rugby used to be a game for non-working class people.
B. There are many women's teams now.
C. Rugby had become popular among working class people in 1823.
D. Rugby is the main summer sport for public school children.
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