题目内容

8．Every year，millions of Americans see their personal information leak into the wrong hands．Maybe there's spyware on the their computer，or a service they use suffered a security reach，leaving customers at the risk of exposure．Or perhaps their password is easy to guess．
Don't fear：You can easily set up proper defenses．Here's how．
●Clean Your Computer and Smartphone
Before you put new security measures into place，make sure your devices are as spotless as possible．This means installing a good antivirus program and taking the time to clear out any spy-or malware that may have already infected your system．These days，it's also worth it to make sure your phone is safe from viruses．Iphones are less likely to be targeted by spyware，but Android users should download the Lookout app to scan their devices and ensure everything is as it should be．
●Secure Your WiFi．
It's fairly easy for potential criminals to gain access to your information if they're able to share your connection-that's why you want to be careful when using public WiFi．Even though you put security measures into place a couple of years ago，it's a good idea to refresh your settings．
●Use passwords
What you've heard is true：Passwords should use a variety of special characters，numerals，letters，and cases when possible．
●Check the shopping security
Take care when shopping online．Always check the security symbols when using an online site for shopping．If the lock icon encryption （加密）  is not there，do not give out credit details．Also，check that the site is legal-never go to a site from a random email and start shopping online．
Keep a separate credit card just for online shopping．This will make it easier to cancel if something bad does happen and your other credit card for"in real life"can still be used uninfluenced．
Don't store information on any store's website．It may be convenient but it's also a possible loss to you if the site is hacked．

21．To put new security measures into place，we need toC．
A．clear out everything in the system
B．make a random selection of network
C．get rid of potential spyware
D．refresh the infected system
22．According to the passage，the risk of exposing personal information may possibly be caused byB．
A．the applications of antivirus programs
B．the practice of using public WiFi
C．the difficult access to passwords
D．the separate credit card for online shopping
23．Which of the following is an improper way to shop online？D
A．Adopting a unique password for every website．
B．Shopping online at reliable websites．
C．Keeping credit details safe by checking security symbols．
D．Monitoring credit card by storing information online．

分析 本文主要讲述了我们应该如何设置适当的防御，来防止信息泄露．作者给出了四点建议：1、清洁您的电脑和智能手机；2、使用安全的WiFi；3、使用密码；4、检查购物安全．

解答 21．C 细节推断题．根据第一段Maybe there's spyware on the their computer，or a service they use suffered a security reach，leaving customers at the risk of exposure．可知为了设置新的安全措施，我们需要摆脱潜在的间谍软件．故选C．
22．B 细节推断题．根据第四段It's fairly easy for potential criminals to gain access to your information if they're able to share your connection---that's why you want to be careful when using public Wi-Fi．可以知道公共wi-fi容易让潜在的犯罪分子获得个人信息．故选B．
23．D 细节理解题．根据最后一段Don't store information on any store's website．It may be convenient but it's also a possible loss to you if the site is hacked．可知不要在任何商店的网站上存储信息，它可能是方便的，但它也可能是一个损失．故选D．

点评 本文考察学生的理解推断能力以及细心程度，只要抓住文章的关键词，采用寻读的方法查找细节，就能找到正确答案．

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36．We diet strictly after the year-end overeating becauseD．
A．we won't betray ourselves
B．we eat too much turkey
C．there are bacteria in our guts
D．we don't want to look fat
37．What can be learned from Zhao's research？A
A．Obesity is related to a kind of bacteria．
B．Healthy diet helps reduce your fat．
C．Chocolate doesn't cause weight gain．
D．Too much food leads to overweight．
38．Which of the following statements is TRUE？C
A．Scientists didn't try to find out the cause of overweight．
B．There is a link between mice's overweight and human's．
C．Lita proved the link between bacteria and weight gain．
D．Scientists found bacteria may be related to many diseases．
39．The patient finally lost 51.4kg of his weight afterB．
A.35percent of his gut bacteria were killed
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C．he had a special kind ofoperation
D．his fatty liver had disappeared
40．What does the passage mainly talk about？C
A．People's eating habits．
B．Healthy lifestyles．
C．A medical discovery．
D．The consequence of obesity．

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