填空题

Each year some 4 trillion e-mails are sent worldwide from about 600 million electronic mailboxes. In 1995, employees sent three e-mails per day and received five. E-mail (36) has jumped more than six fold, with employees now sending an (37) of 20 e-mails and receiving 30 each day. During March and April 2001, Rogen International (38) the first study on the (39) of e-mail and face-to-face communication in the work place.
More than 1, 400 senior and middle-level executives (40) in the international survey. They said that despite popular myth, e-mail has not reduced the amount of face-to-face communication (41) at work. While executives are spending 120 minutes a day receiving, checking, preparing and sending e-mails, they are also still spending 130 minutes a day in formal and informal face-to-face meetings. The (42) from the research is clear. Business leaders should ensure that they (43) the right balance between face-to-face and e-mail. Keeping e-mails relevant to all employees is the challenge. According to the study, (44) .
E-mail has revolutionized the quick and broad distribution of information. Almost 85 percent of participants in this study agreed that (45) . The telephone and written fax ranked a distant third and fourth respectively. (46) .