招标人依据( )来确定项目建设过程中的招标次数和每次招标的工作内容。
A．工程特点B．招标人的管理能力C．合同类型D．工程建设总进度计划
参考答案：D
There are many examples throughout the world ______ talented players are ignored by their national
managers. [ ]
A. when
B. where
C. which
D. whose
应选开皮带机，再开除铁器。
