[单项选择]Many schools have bought computers for their students because of ______.


A. their wide variety
B. their wide use
C. the free choice of computers
D. the free choice of educational programs

Computers are now being pushed into schools. We know that multimedia will make (21) easy and fun. Children will happily learn from (22) characters while taught by expertly (23) software.Who needs teachers when you’ve got (24) education These expensive toys are difficult to use in the classrooms and (25) extensive teacher training. Sure, kids love video games — (26) think of your own experience: can you (27) even one educational filmstrip of many years ago I’ll (28) you remember the two or three great teachers who made a (29) in your life.
Then there’s cyberbusiness. We’re promised (30) catalog shopping—just point and click for great deals. We’ll order airline tickets (31) the network, book restaurants and egotiate sales (32) .Stores will become obsolete. So how come my local mall does more (33) in an afternoon than the entire Internet (3
A. occasion
B. substitute
C. change
D. compromise