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问题 多项选择题

卫星定位连续运行基准站网可依据管理形式、任务要求、应用范围分为（）。

A.全球基准站网

B.国家基准站网

C.区域基准站网

D.空间基准站网

E.专业基准站网

答案

参考答案：B, C, E

句型转换

句型转换（5小题，每题1分，共5分）

小题1:Both of his parents prefer to travel around in summer. ( 改为否定句)

     of his parents       to travel around in summer.

小题2:The Bank of China is about 5 minutes’ walk from the zoo. (对划线部分提问)

                is the bank of China from the zoo?

小题3:Sandy really doesn’t know how to deal with this problem. (改为复合句)

Sandy really doesn’t know how               deal with this problem.

小题4:We noticed him eating snacks in class. (改为被动语态)

He                  eating snacks in class by us.

小题5:The news was very exciting and everyone shouted with joy. (合并成一句)

It was                 news that everyone shouted with joy.

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单项选择题

利用( )可以直观地表示出所有的工作环节的顺序及其相互之间的依赖制约关系，能够将各种分散的数据加工处理成项目管理所需要的信息，从而成为项目高层管理者进行项目控制的重要工具。

A．里程碑法
B．工期测算法
C．补充完善法
D．关键线路法
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