单项选择题

There was a time when parents who wanted an educational present for their children would buy a typewriter, a globe or an encyclopedia set. Now those (1) seem hopelessly old-fashioned: this Christmas, there were a lot of (2) computers under the tree. (3) that computers are their key to success, parents are also frantically insisting that children (4) taught to use them on school-as early as possible.
The problem for schools is that when it (5) to computers, parents don’t always know best. Many schools are (6) to parental impatience and are purchasing hardware without (7) educational planning so they can say, "OK, we’ve moved into the computer age." Teachers (8) themselves caught in the middle of the problem- between parent pressure and (9) educa- tional decisions.
Educators do not even agree (10) how computers should be used. A lot of money is going for computerized educa- tional materials (11) research has shown can be taught just as (12) with pencil and paper. Even those who believe that all children should have (13) to computer warn of potential (14) to the veryyoung.
The temptation remains strong largely because young children (15) so well to computers. First graders have been (16) willing to work for two hours on math skills. Some have an attention span of 20 minutes. Not every school, (17) , can afford to go into computing, and that creates (18) problem: a division between the haves and have-nots. Very few parents ask (19) computer instruction in poor school districts, in that there may be barely enough (20) to pay the reading teacher.

A.approaches
B.exposures
C.dangers
D.laziness
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