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  3. There was a time when parents who wanted an educational present for their children would buy a typewriter, a globe or an encyclo

There was a time when parents who wanted an educational present for their children would buy a typewriter, a globe or an encyclo

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问题      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  【21】______   seem hopelessly old-fashioned: this Christmas, there were a lot of  【22】______   computers under the tree.  【23】______   that computers are their key to success, parents are also frantically insisting that children 【24】______   taught to use them on school— as early as possible.
      The problem for schools is that when it  【25】______   computers, parents don’t always know best. Many schools are  【26】______   parental impatience and are purchasing hardware without  【27】______   educational  planning so they can say,"OK, we’vr moved into the computer age. "Teachers   【28】______   themselves  caught in the middle of the problem — between parent pressure and   【29】______   educational decisions.
      Educators do not even agree  【30】______   how computers should be used. A lot of money is going for computerized educational materials  【31】______   research has shown can be taught  【32】______   with pencil and paper. Even those who believe that all children should  【33】______   to computer warn of potential  【34】______   to the very young.
    The temptation remains strong largely because young childrern  【35】______   so well to computers. First graders have been  【36】______   willing to work for two hours on math skills. Some have an attention span of 20 minutes.  【37】______   school ,however, can afford to go into computing, and that creates  【38】______   another problem: a division between the have’s and have-not’s. Very few parents ask   【39】______   computer instruction in poor school districts, 【40】______   there may be barely enough money to pay the reading teacher.
【23】
选项 A、Given
B、Provided
C、Convinced
D、Believed
答案C
解析 given为过去分词，可用来引导条件状语，意思为“在有……的情况下”，“如果有……”，“假定……”，如Given good health，I hope to finish the work this year．(在身体好的情况下，我希望今年把工作干完。)Given that he can get the same treatment again，he is sure to get well．(如果他能再得到同样的治疗，他肯定会好起来。)provided(that)或providing(that)可以用来作从属连词，作用相当于if，引导条件状语从句，意思为“如果……的话”，“只要……”，如Provided that there is no opposition，we shall hold the meeting here．(如果没有反对意见的话，会就开到此为止。)believe为动词，意思为“相信”，“认为”，后面直接跟宾语，很少用过去分词的形式作状语。而convince意为“使相信，说服”，常用于句型convince sb．of sth．和convince sb．+that(从句)，而且常常用过去分词形式表示“相信”，如Covinced of the truth of the report，he told his colleagues a bout it. (他相信了报道的真实性，把这件事告诉了同事们。)根据本小题空白处前后词语的意思以及结构，正确选项应当为C )。
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