27. The popularity of home computers and surfing on the Internet has brought a whole new worldof leisure-time activities to Americans.
(A) Estimates are that more than one third of adults spend some of their leisure time on the Internet.
(B) Vacation time renews the spirits and gives people the energy and vitality to lead productivelives.
(C) Some value the great educational opportunities it brings, while others prefer spending theirtime in chat rooms, having discussions with others online.
(D) Computers are also extremely popular with children and teenagers, which raises questionsof where they are traveling on the Internet and what they are seeing.¯