B

      A San Diego boy Kristoffer Von Hassel has the gaming world' s attention after he exposed a security weakness that let him log into his dad's Xbox Live account, without permission.

     Kristoffer's father, Robert, noticed soon after Christmas that his son was logging into his account and playing games that weren’t appropriate for his age. When he asked how, Kristoffer showed him a hack that seems simple but is fairly impressive considering a 5-year- old found it.

      Kristoffer would go to his dad's account and type in an incorrect password. That would take him to a password verifications (确认) screen, where he would simply tap the space bar repeatedly and then press "enter. "

     "How awesome is that?" asked Davies, who works in online security himself. "just being 5 years old and being able to find a vulnerability I ty and getting attached to that I thought that was pretty cool." He told KGTV that Kristoffer has figured out three or four other "hacks",  including getting past the lock on a smartphone by holding down the "home" key for long enough.

     Davies reported the vulnerability to Microsoft. And Microsoft acted, issuing a fix for it. "We' re always listening to our customers and thank them for bringing issues to our attention," the company said in a written statement. "We take security seriously at Xbox and fixed the issue as soon as we learned about it. "

　　The company has even included Kristoffer's name on a list of security researchers who have helped make online Microsoft products safer. For his discovery, or more accurately, for reporting it with his father's help, Kristoffer will receive four games.  $50 and a year's subseription to Xbox Live from Microsoft.

46.Why did a San Diego boy attract the gaming world's attention?

A. He is a security researcher.

B. He designed a new software.

C. He is addicted to playing games.

D. He got past the lock of a game.

47. The main idea of Paragraph 3 is how Kristoffer

 A. logged into his dad's Xbox account

 B. managed to set his own password

C. learned to gain access to the game

D. played computer games on his own

48.The underlined word "vulnerability" in Paragraph 4 is closest in meaning to "________   "

A. security failing                       B. system protection

C. system accident                      D.  data fault

49.What is Microsoft's attitude to the problem reported by Davies?

A. Critical and negative.                 B. Friendly and sympathetic.

C. Serious and responsible.              D. Cold and casual.

50. What is the best title of the text?

A. Challenging your father, even at an early age

B. Hacking Xbox, even a 5-year-old could do it

C. Microsoft, faced with security charges again

D. A 5-year-old boy subscribing to Xbox Live

C

     The modern day users of smartphones and tablets are soon going to experience something incredible in the coming few months with the advent of Google Glass. With Google Glass, you would be able to actually wear a computing device and carry out all the things, which you used to do over devices like smartphones and tablets.

     Small but strong hardware to connect you to the world

      It is really amazing to see how Google Glass manages to include all the features in a very small, strong and yet lightweight frame. It is backed with Wi-Fi, GPS, Bluetooth, touchpad, a camera, microphone, and speakers. A main piece, a small size screen~ will show you all the information. You have the choice of using Google Hangout to enjoy a group conference and carry out anything without actually being limited to your desks.  Your can check your text messages along with attaching the pictures and videos without actually removing your smartphone device from your pocket.

      Google Glass at your command

     The Axiom- "your wish my commands"- seems to be true with  Google Glass as it works on a voice commands,The built-in microphone backed by "Google Now" simply connects you directly to your favorite search engine. All you need to do is to say "Okay Glass" to start working with it. You can start working with it by simply tilting(侧) your head.

     ____________________________.

      As Google Glass is backed up with GPS chip, it can help you to navigate using the Google Maps. This will simply avoid bringing out your smartphone from your pocket and check the locations while you drive any vehicle. Whether you are moving in an overcrowded Place or hiking at the countryside, this device remains very much handful for you.

51. Which of the following best describes Google Glass?

     A. Smart and useful.                    B. Handy and comfortable.

     C. Cheap but creative.                   D. Awkward but practical.

52. What is the main piece of Google Glass?

     A. Wi-Fi.          B. Screen.          C. Microphone.      D. Bluetooth.

53. If you need to hold a group conference, you may use

     A. Axiom         B. Google Hangout   C. Google Now       D. Google Maps

54. According to the text, Axiom can be started______.

A. by connecting a search engine

B. when you are greeting people

C. on a voice command

D. by shaking the glass

55. Which of the following titles may match the last paragraph?

     A. Leave your smartphone behind          B. Life will be flexible

     C. People are never bored                D. You are never lost
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