About 1 in 3 female students questioned in a survey said they had broken into their partner’s e-mail. Fewer men said they had done this, but men were more likely than women to use hidden cameras, spyware(间谍软件) and GPS tracking to monitor their partner’s activities. Sloane Burke at East Carolina University in Greenville, North Carolina, and her colleagues asked 804 undergraduates to complete an anonymous (匿名的)online survey in which they were asked whether they had used technology to spy on their partners on more than one (47) . Of those who reported their (48) , about two-thirds were female. Among these women, 34 per cent said they had broken into their partner’s email more than once, (49) only 14 per cent of men (50) doing the same. The survey also found that women were more likely than men to (51) their partner’s Facebook activity and cellphone histories. Among men responding to the survey, 3 per cent admitted hiding a camera in their lover’s room, while 5 per cent (52) used online cellphone trackers to monitor their lover’s (53) . "Only a (54) fraction of men used GPS technology in this way, but we were still shocked," says Burke. A small number of men and even fewer women said they had (55) to spyware. Two per cent of men installed software on their partner’s computer that let them view their screens (56) in real time. A. admitted B. check C. committed D. gender E. location F. occasion G. occupation H) particularly I) regularly J) remotely K) resented L) resorted M) small N) thereby O) whereas