短文填词（共10小题;每小题1分,满分10分）.
A recent study found that some people could be devoted to their cell phones. The study was c_____ at Staffordshire University in England. About 40 percent of students    (survey) said they couldn’t do without their cell phones. About 90% said they took their    with them everywhere. One third of students surveyed said they used cell phones to c themselves up.
The study also asked students 18 to 25 questions designed to check addictive behavior. The results found that one in six cell phone users have a lot in with gambling addicts. Some people said they sometimes lied about their cell phone use. The others admitted _____(steal) to pay for their cell phone habit.
Dr David Sheffield,    conducted the study, said he wasn’t surprised by the results. “Students use their phones frequently, and this has both p____ effects such as staying in touch with friends and family, and negative ones too, such as financial costs and social costs,” he told Weekly Reader. “The most    (surprise) finding was that a number of people reported they had l__a relationship or job because they spent too much time on mobile phones .”