【单选题】Use of electronic mail (e-mail) has been widespread for more than a decade.E-mail simplifies the flow of ideas, connects people from distant offices, eliminates the need for meetings, and often boosts...
A.
is not always the easiest way to connect people from distant offices.
B.
has changed considerably since it first began a decade ago.
C.
causes people to be unproductive when it is used incorrectly.
D.
is effective for certain kinds of messages but only if managed wisely.
【简答题】Fill in the blank with proper words. 选词填空15% dedicated; dramatically; accessible; components; access; expectations; concise 1It was linked to other networks around the world, and the APRAnet grew beyo...