题目内容

（）是网络通信中标志通信各方身份信息的一系列数据，上发证身份的方式。

A. 数字认证
B. 数字证书
C. 电子证书
D. 电子认证

查看答案

搜索结果不匹配？点我反馈

更多问题

11/22/2014our class did (1) _____ a research project into human behavior. Some teachers did (2)_a lecture on the topic "What makes a hero?" The topic has aroused great interest among students on campus. The weblog has been updated almost every minute, which involves even students from other departments, students who preferred not to do (3) _any course in the humanities. People have made (4) the phrase everyday heores for those ordinary people who sacrifice themselves for others at the moment of life and death. The inspiring stories of the heroes have made (5) ____ a vivd and moving impression on all of us.

12/02/2014Lately I've been thinking about everyday heroes. There really are many heroes among us who make (1)_______ an effort to find ways to make the world different. We may know some of them, but I assume that most of them we've never heard of. I read a weblog article a few days ago. the author made (2)_remarks that the guy who finds a lost wallet and returns it to the owner is called a hero. Similarly, the guy who hits the go-ahead run to win the baseball game is called a hero. But are they?are those two guysreally heores? Can anyone make (3) suggestions about who decides who is a hero anyway? And what makes a hero?12/11/2014The end of the semester is coming. Students are busy preparing to do (4)exams. And I will have to do (5)____ assignments for the courses I have taken. However, the weblog is still hot, students' enthusiasm is not fading, and I will ponder on the topic of everday hero continuously1

ABC会计师事务所负责审计甲公司20×8年度财务报表，并委派A注册会计师担任审计项目合伙人。在审计过程中，审计项目组遇到下列与职业道德有关的事项：（1）A注册会计师与甲公司副总经理H同为京剧社票友，经H介绍，A注册会计师从其他企业筹得款项，成功举办个人专场演出。（2）审计项目组成员B与甲公司基建处处长I是战友，I将甲公司职工集资建房的指标转让给B，B按照甲公司职工的付款标准交付了集资款。（3）审计项目组成员C与甲公司财务经理J毕业于同一所财经院校。（4）审计项目组成员D的朋友于20×7年2月购买了甲公司发行的公司债券20万元。（5）ABC会计师事务所原行政部经理E于20×5年10月离开事务所，担任甲公司办公室主任。（6）甲公司系乙上市公司的全资子公司。20×8年末，审计项目组成员F的父亲拥有乙上市公司300股流通股股票，该股票每股市值为12元。要求：针对上述事项（1）至（6），分别指出是否对审计项目组的独立性构成不利影响，并简要说明理由。

地下水污染的特点隐蔽性.污染过程缓慢______。