An X.509 certificate is adigital certificatethat uses the widely accepted international X.509 public key infrastructure (PKI) standard to verify that apublic keybelongs to the user, computer or service identity contained within the certificate. A public key is a large numerical value used to encr...
百度试题 结果1 题目What ‘s this ? 这是什么? It is a robot .这是一个机器人。/他是一个机器人。相关知识点: 试题来源: 解析 Are you having lunch at home ? Yes , I am . (肯定回答) 反馈 收藏
1、被感叹词修饰的词性。一般来说，how 多修饰形容词和副词等， what 则多修饰名词。举个例子：多么漂亮的一个女孩！可以说成How nice the girl is! = What a nice girl (she is)！句中how修饰的是形容词nice，what 修饰的是名词girl。再如How hard they are working!他们工作多么努力啊！这里的how 修饰...
A gerund (pronounced JER-und) is a verb that’s acting as anoun. By that, we mean that theverb—the word that describes the action that’s happening, like “biking,”“thinking,”“running,” or “speaking”—becomes athing, a concept that can now be the sentence’s subject, direct ...
A dependent clause, also known as a subordinate clause, is a clause that cannot stand alone as a complete sentence. Without an independent clause, a dependent clause is just a sentence fragment. [Incorrect] When I grow up[/incorrect] [Correct] When I grow up, I’ll use complete sentences...
【解析】从it is可知,elbow表示的是单数,排除C,且“elbow”首字母是元音音素的单词,而“a”用于辅音音素的开头的名词前,所以答案是A。结果一 题目 --What isit? --It is___ elbow. A. an B. a C. two D. / 答案 A从it is可知,elbow表示的是单数,不能选C;“a”用于辅音音素的开头的...
周华健 - What Is A Youth
— nine. A. are; They are B. is; It's. C. is; They are D. are; It's相关知识点: 试题来源: 解析 B 考查主谓一致用法。句意:四加五等于多少?主语是 four and five,数目要看做一个整体,属于单数,所以谓语和指代都应为单数 is/It's,故正确答案为B。反馈...
what is a program? a program is instructions for a computer to execute specific tasks. it contains code written in a programming language which may be interpreted, compiled or assembled into machine readable form and then executed. programs range from basic calculations and sorting to complex ...
A virtual private network (VPN) is a virtual private communication network established over a public network by an Internet service provider (ISP) or network service provider (NSP). It meets enterprises' requirements for network flexibility, security, cost effectiveness, scalability, and more. ...