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The attendances are certain invited professionals.

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在进行经济分析时，不需要考虑由于项目的开展而导致项目本身之外发生的成本和效益。()

B区面试题：如何理解在工作中对别人说“不"。并结合自己的例子加以阐述。

1I was six years old when, one day, my dog was struck, by a car while getting ready for school. 2My mother and I heard the terrifying sound of squealing brakes. 3In a low voice, she said, Oh, my God—Blackie. 4I remember trailing her out the door and seeing a car fill with teenagers and a spreading pool of bright blood on our cobblestoned street. 5To me, it seemed only a matter of seconds until a police car pulled up. 6The officer glanced at the crumpled dog under the car. 7And drew his gun. 8My mother shouted, "No!" 9She crawled halfway under the car and took the dog, like a sack of flour, out from under the wheels, 10Her housedress was splashed with blood, she cradled the limp dog in her arms and ordered the officers to drive her to the vets office, 11It was only then that she remembered me, I think. 12She patted my head, was telling me to walk up to school, and reassured me that Blackie would be all right. 13The rest of the story including Blackie's slow recovery and few more years of life, are fuzzy and vague now. 14But the sights and sounds of those few moments are as vivid to me now as they were twenty-five years ago.

阅读以下说明和数据流图，回答问题1～3问题。
[说明]
研究生招生系统旨在用计算机对学校的研究生招生事务进行管理。研究生招生可分为报名阶段、考试阶段和录取阶段。招生报考前，招生处要进行考前准备工作，如统计招生导师、考试科目以及制定报考专业标准代码等。招生导师信息包括导师的姓名、性别、年龄、出生年月、所从事专业和研究方向以及所在系别。考试科目包含科目代码、科目的名称以及报考本科目的考试人数。在报名阶段，考生向招生处提交报名数据表，研究生系统根据考生的报考数据确定考生准考生号，并通知考生考试日期。在考试阶段，考试结束后，考生成绩录入研究生招生系统，考生可以从研究生招生系统中获取自己的考试成绩。在录取阶段，研究生招生系统根据考生的报考数据、考试成绩、外校调剂考生信息以及往年保留资格记录文件，确定录取数据，并形成录取文件。系统统计并记录相关招生信息，以供查询。对被录取的考生发放录取通知书，对需要保留资格的考生记录其信息，以供下年度招生使用。招生处可以从研究生招生系统中获得录取数据和招生情况的统计信息，以供咨询。
数据流图11-1为研究生招生系统顶层图，数据流图11-2为研究生招生系统第0层DFD图，数据流图11-3为加工3的细化图。
[数据流图11-1]
数据流图11-2中有3条数据流,请根据说明中的术语给出这三条数据流名称，并指出起点和终点。