A 17-year-old boy，caught sending text messages in class，was recently sent to the vice principal`s office. The vice principal，Steve Gallagher，told the boy he needed to focus on the teach-er，not  his cellphone. The boy listened politely and nodded，and that`s when Mr.Gallagher noticed the student`s fingers  moving on his lap. He was testing while being scolded for texting. " It was a subconscious  act，" says Mr. Gallagher，who took the phone away. " Young people today are con-nected socially from the moment they open their eyes in the morning until they colse their eyes at night.It`s compulsive."
A study this year by psychology students at Covenant College in Lookout Mountain,Ga.,found that the more time young people spend on Facebook，the more likely they are to have lower grades and weaker study habits. Heavy Facebook users show signs of being more sociable，but they are also more likely to be anxious，hostile or depressed.
Almost a quarter of today`s teens check Facebook more than 10 times a day，according to a 2009 survey by Common Sense Media,a nonprofit group that monitors media`s impact on families.Will these young people get rid of this habit once they enter the work force，or will employers come to see texting and `social-network cheeking` as accepted parts of the workday?Think back,When today`s older workers were in their 20s,they might have taken a break on the job to call friends and make after-work plans.In those earlier eras,companies discouraged non-business-related calls,and someone who made personal calls all day risked being fired.It was impossible to imagine the constant back-and-forth texting that defines interactions among young people today.Educators are also being asked by parents，students and educational strategists to reconsider their rules. "In past generations，students got in trouble for passing notes in class. Now students are good at texting with their phones still in their pockets，" says 40-year-old Mr.Gallagher,the vice principal,"and they`re able to communicate with someone one floor down and three rows over. Students are just fundamentally different today.They will take suspensions rather than give up their phones."
66.The underlined word "a subconscious act"in the first paragraph refers to an act_________
A.on purpose                              B.without realization
C.in secret                                  D.with care
67.Young people addicted to the use of Facebook _________.
A.are good at dealing with the social relationships and concentrate on their study
B.have high spirits and positive attitudes towards their life and work
C.have been influenced mentally in the aspects of behaviors and habits
D.are always in bad mood and have poor performance in every respect
68.Through the situation of today`s older workers in their 20s,it can be inferred that_________
A.the employers will not accept young people`s sending text messages
B.a cellphone is a must for today`s older workers instead of young people
C.The employers prefer older workers to young  people
D.the employers will find it hard to control the interaction among young people  
69. Mr. Gallagher reminds us that the students in the past and those today_______.
A.like to break rules and have the same means of sending messages
B.are always the big problem for the educations and their parents
C.like sending text messages but those today do it in a more secret and skillful way
D.cannot live without a cellphone
70. What’s the best title of the passage?
A.Teenagers and Cellphones
B.Teenagers’ Texting Addiction
C.Employers and Teenagers
D.Teenagers’ Education

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