四六级

　　英语四级阅读理解占总分的35%，相对来说比重较大，所以这部分对四级取得高分是关键，考生们需要多做题、多练习。小编为大家整理了英语四级阅读理解200篇精讲，希望可以帮助到大家。

　　英语四级阅读理解200篇：人们身边的网络安全隐患

　　近来，网络安全对于个人和企业来说都是一个不可忽视的问题。每个建立了网络连接的用户都面临着一个真实存在的危险 — 被黑客攻击，比如受到数字病毒的感染或某种形式的数据盗窃。然而说来也怪，在大多数情况下，威胁网络安全的始作俑者并不是计算机本身，而是使用互联网的用户，因为人们总在犯一些看似微不足道，却常常很关键的错误。本期选文介绍三个引起人们加强网络安全意识的相关小贴士。

　　It's a dangerous world out there in cyberspace. Hackers, viruses, and malware, among others, all exist and are very real threats. A 2017 UK government cyber-security breaches survey showed that in the preceding 12 months, just under half of the companies asked had identified an attack or breach. That could have been disastrous.

　　The problem is not the computers, firewalls or encryption - it's us. People are bad at following good cyber-security protocol – such as using an effective password. We're also pretty dumb when it comes to clicking on links and downloading content we shouldn't, Ian Pratt, co-founder of cyber-security firm Bromium told the BBC. With that in mind, here are three tips to keep you 'cyber-safe'.

　　Passwords are a weakness. The ideal password should be at least eight characters long, and contain upper and lower case letters, symbols and numbers. And don't use a common word such as 'password'. "This makes you vulnerable to a scrape attack. This is where hackers take the most common passwords and try them on millions of accounts," Thomas Pedersen from OneLogin, an identity and access management company, told the BBC.

　　Keep your equipment up-to-date by installing the latest security updates for your computer - obviously. Less obvious perhaps, is doing so for other technology also connected to the internet – such as your router. A recent study carried out by the American Consumer Institute Centre for Citizen Research found that "five out of six routers are inadequately updated for known security flaws." These require software updates, too. And don't forget your other smart devices, such as your smart TV!

　　Finally, consider enabling multi-factor authentication for your accounts. That's where a mobile phone or dongle is used to verify access to a device. If your password becomes compromised, no access can be obtained without your second authentication device… so don't lose your phone!  In the future, biometrics such as voice and fingerprint may make this easier.

　　The internet is wonderful, but security threats do exist. Fortunately, with a little common sense and forethought, you can be secure from the majority of cyber-security threats.

　　词汇表

　　cyberspace 网络空间

　　hacker 黑客

　　virus 计算机病毒

　　malware 恶意软件

　　cyber-security 网络安全的（其名词搭配为 “cyber security”）

　　breach 破坏、违规

　　firewall 防火墙

　　encryption 数据加密

　　protocol 协议、协定

　　character 字符（如数字、字母、标点等）

　　vulnerable 易受攻击的

　　scrape attack 撒网式密码盗窃

　　up-to-date 最新的

　　update 更新，升级

　　router 路由器

　　flaw 漏洞

　　multi-factor authentication 多重身份认证

　　dongle 软件保护器

　　compromised 被攻破的

　　biometrics 生物特征识别技术（其形容词为 “biometric 生物特征测定的”）

　　测试与练习

　　1. 阅读课文并回答问题。

　　1. True or False: There are things we can do to better maintain our cyber security.

　　2. Apart from using bad passwords, what are people also susceptible to?

　　3. Which devices can people overlook when updating security software?

　　4. What is the advantage of multi-factor authentication?

　　5. Which word used in the article means 'not done to a good enough standard'?

　　2. 请在不参考课文的情况下完成下列练习。选择一个意思合适的单词填入句子的空格处。

　　1. In the event of a fire, please follow safety ______ and evacuate quickly but safely.

　　breaches       updates       dongles       protocols

　　2. The unknown man managed to ______ stage security and attack the pop star mid-concert.

　　breach       scrape       hack       flaw

　　3. The majority of emails these days are secured with end-to-end ______.

　　malware       firewalls       encryption       passwords

　　4. Soon, all transactions could be ______. You'll be able to pay for your shopping with your face!

　　compromised        biometric       vulnerable       up-to-date

　　5. I think there's a small ______ in your plan. We don't have any money to go to the cinema!

　　flaw       attack       virus       character

　　参考答案

　　1. 阅读课文并回答问题。

　　1. True or False: There are things we can do to better maintain our cyber security.

　　True. This article offers three simple ideas, but there are many more.

　　2. Apart from using bad passwords, what are people also susceptible to?

　　People are susceptible to clicking links and downloading content that they shouldn't.

　　3. Which devices can people overlook when updating security software?

　　They forget to update other devices that are connected to the internet, such as routers and smart TVs.

　　4. What is the advantage of multi-factor authentication?

　　If your password ever becomes compromised, no access can be obtained without your second authentication device.

　　5. Which word used in the article means 'not done to a good enough standard'?

　　Inadequately (Five out of six routers are inadequately updated for known security flaws.)

　　2. 请在不参考课文的情况下完成下列练习。选择一个意思合适的单词填入句子的空格处。

　　1. In the event of a fire, please follow safety protocols and evacuate quickly but safely.

　　2. The unknown man managed to breach stage security and attack the pop star mid-concert.

　　3. The majority of emails these days are secured with end-to-end encryption.

　　4. Soon, all transactions could be biometric. You'll be able to pay for your shopping with your face.

　　5. I think there's a small flaw in your plan. We don't have any money to go to the cinema!

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