题目内容：
{MP3:http://down.233.com/2012/listenfiles/xdftl/Test4.mp3}British workers are suffering "email stress" because they are swamped with messages and constantly monitoring their inboxes.
Staffers are left tired, (36) __________ and unproductive as they (37) __________to cope with a constant deluge of emails, researchers from Glasgow and Paisley universities in Scotland have found.
More than a third said they thought they checked their inboxes every 15 minutes and 64 percent said they looked more than once an hour.
When researchers (38 ) __________ monitors to their computers, workers were found to be viewing e-mails up to 40 times an hour.
About 33percent said they felt stressed by the (39) __________ " of e-mails and the need to reply quickly. A further 28 percent said they felt "driven" when they checked messages because of the pressure to (40) __________ Just 38 percent of workers were (41) __________enough to wait a day or longer before replying.
Researchers found that many workers felt "(42) __________ " by e-mails interrupting them as they tried to (43) __________ on their work. (44) __________Karen Renaud, a computer scientist at Glasgow University, and Judith Ramsay, a psychologist at Paisley University, surveyed almost 200 workers.
They concluded, "Email has become an indispensable tool in business. (45) __________and that many computer users experience stress as a result of email-related pressure. "
Renaud said, "(46 ) __________
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请作答（36）______
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