https://www.examenglish.com/BEC/BEC_Vantage.html https://www.cambridgeenglish.org/exams-and-tests/business-vantage/ What is the BEC Vantage test like? Difficulty level: B2 The test has five sections: Reading - 60 minutes, 45 questions 1. part 1 - mat…

  Good morning ! It is really my honor to have this opportunity for an interview, I hope i can make a good performance today. I'm confident that I can succeed. Now i will introduce myself briefly I am 26 years old,born in shandong province . I was gr…

Belkasoft Evidence Center makes me very impressed that it supports lots of evidence type. I have to admit that it’s one of the most powerful forensic tools I’ve ever seen. Now I’d like to add an physical image acquired from an Android phone. Let’s ta…

3 Working life p8 Grammar Gerund and infinitive(动名词和不定式) 一般而言:        1 动词后面接动名词还是不定式没有特定规则,主要取决于语言习惯 2 介词后接动词和动名词 3 动词后多接不定式   动名词表达经常性或已经发生的事 而不定时表达一次性或者将发生的事 +gerund (-ing) be worth, have trouble/difficulty, succeed in, think about/consider, enjoy…

这两天币圈链圈被美链BEC智能合约的漏洞导致代币价值几乎归零的事件刷遍朋友圈.这篇文章就来分析下BEC智能合约的漏洞 漏洞攻击交易 我们先来还原下攻击交易,这个交易可以在这个链接查询到. 我截图给大家看一下: 攻击者向两个账号转移57896044618...000.792003956564819968个BEC,相当于BEC凭空进行了一个巨大的增发,几乎导致BEC价格瞬间归零. 下面我们来分析下这个攻击过程. 合约漏洞分析 我们先来看看BEC智能合约的代码, BEC在合约中加入一个批量转账的函数,…

strategy部署;谋略;战略[ˈstrætədʒi]  strategize制定战略 Strategizing战略化  Technology科技;工艺;工程技术 [tekˈnɑːlədʒi] Strategizing Vantage Technology…

讲溢出攻击之前,先给大家讲个故事:2014年的时候,美国的宾夕法尼亚州的某个小镇上发生了一个乌龙事件,征兵系统对一万多名1893年到1897出生的男子发去信函,要求他们注册参军,否则面临罚款和监禁.收到信函的人啼笑皆非,因为这些信函指明的人都是大部分都是他们已故的祖父外祖父.导致这个事件的原因就是“千年虫”. 严格的说“千年虫”属于程序的一个BUG.因为在上个世纪,计算机的存储空间很小,使用人员为了最大化利用计算机的存储空间,规定了在计算机中存储年份的时候使用两位数字来表示,如“1998”年,那…

一.币圈一秒,人间一年 有道是币圈一日,人间一年.这个说法又得升级了,叫币圈一秒,人间一年. 前不久,币圈又出大事啦.BEC智能合约被爆出整数溢出漏洞,导致黑客能无限印币,在一次交易中,也就那么几秒钟的事情,黑客就“无中生有”地给两个账户转了天文数字般的BEC币,而原账户一分BEC币都没损失.大家来围观下这笔交易: https://etherscan.io/tx/0xad89ff16fd1ebe3a0a7cf4ed282302c06626c1af33221ebe0d3a470aba4a660f…

4 1.1 Working life    P10 Reading----The anonymous CV Exercise 3  What should be included in the CV 1 personal details 2 education and qualifications 3 working experience action words: developed don’t mention routine relate skills to the job 4 intere…

2 1.1Working Life p7 reading attitudes to work Question6: 对于Attitude问题 1 I be willing/ unwilling to do sth 2 I prefer…. 3 I want… 4 I expect… 5 I ask for… Question 7:Look at the newspaper article and read the title. What does the title suggests to yo…