18．How to Protect Yourself from Hackers OnlineAn increase in cyber-attacks （网络攻击） makes the Internet seem like a scary place these days．How can individuals protect or make it more difficult for hackers to access their information？Here are several tips that can help you protect against cyber-attacks：
Make your password harder to hack．
Hard passwords include upper and lower case letters，numbers and special characters． （36）GThey should also not spell out words easy for hackers to find，like your pet's name or the name of a family member．
Change your password regularly．
A very common mistake made by users is to create one hard password，but then never change it．Remembering a long list of complicated passwords can be difficult．But no password is unbreakable． （37）A A password management service，like Dashlane or PasswordBox，can help you keep track of hard passwords．These services permit users to easily store and secure their passwords．
Clear your browser （浏览器） history．
This goes for all the devices you use in a day-your home computer，your work computer，or your friend's iPad．Internet browsers like Firefox or Chrome keep track of where you've been and what you've done online． （38）C．Information about what you sent from or saved on your computer can be kept for days or weeks．It is very easy for anyone who sees that information to steal a detailed record of your online activities．
（39）D
An increasing number of public places now offer free wireless access to the Internet．Often，a user does not need a password to connect to these wireless networks．These services might be useful，but they're also an easy way for hackers to access everything on your device．
Use anti-virus protection．
There are many anti-virus services available for users． （40）E Some anti-virus services are even free．They are a great way to have a professional help keeping users one step ahead of hackers．
A．Hackers are better able to hack multiple accounts if those accounts all have the same password．
B．Be careful while using thumb drive．
C．They keep records of every site you visited．
D．Do not use free Wi-Fi．
E．They can offer many different types of computer protection．
F．Unless you really need it，it is best not to use it．
G．They should be at least eight characters in length．
分析 本文介绍的是网络上的黑客攻击以及如何减少被黑客攻击．
解答 36-40 GACDE
36．G 考查上下文联系．根据本段内容可知，密码长度不能过短，长度应该至少是8个字符．故选G．
37．A 考查上下文联系．根据"very common mistake made by users is to create one hard password，but then never change it．Remembering a long list of complicated passwords can be difficult"可知，如果这些账户都有相同的密码，黑客就能更好地破解多个账户．故选A．
38．C 考查上下文联系．根据"Information about what you sent from or saved on your computer can be kept for days or weeks．It is very easy for anyone who sees that information to steal a detailed record of your online activities．"可知，黑客会记录你访问过的每一个网站．故选C．
39．D 考查上下文联系．根据"Often，a user does not need a password to connect to these wireless networks．These services might be useful，but they're also an easy way for hackers to access everything on your device．"可知，不要使用免费的无线网络．故选D．
40．E 考查上下文联系．根据"Some anti-virus services are even free．They are a great way to have a professional help keeping users one step ahead of hackers"可知，反病毒保护可以提供多种不同类型的电脑保护．故选E．
点评 七选五"这样的题型，主要目的在于"考查考生对文章的整体内容和结构以及上下文逻辑意义的理解和掌握．解题时最主要的两个步骤就是1．理清文章的逻辑和结构，2．在所给的原文中找出关键词或者说是线索词．文章的整体思路能帮助你在答案中筛选出符合逻辑的选项，关键词则能帮助你确定更多的细节，排除相近的选项．这些技巧多练练就能孰能生巧．
