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  3. If it were only necessary to decide whether to teach elementary science to everyone on a mass basis or to find the gifted few an

If it were only necessary to decide whether to teach elementary science to everyone on a mass basis or to find the gifted few an

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问题     If it were only necessary to decide whether to teach elementary science to everyone on a mass basis or to find the gifted few and take them as far as they can go, our task would be fairly simple. The public school system, however, has no such【1】,【2】the jobs must be carried【3】at the same time. Because we depend so【4】upon science and technology for our【5】, we must produce specialists in many fields.【6】we live in a【7】nation, whose citizens make the policies for the nation, large numbers of us must be educated to understand, to uphold, and【8】necessary, to judge the work of【9】The public school must educate both producers and【10】of scientific services.
    In education, there should be a good balance【11】the branches of【12】that contribute to effective thinking and【13】judgment. Such balance is defeated by【14】much emphasis on any one field. This【15】of balance involves not only the【16】of the natural sciences, the social sciences and the arts but also relative emphasis among the natural sciences themselves.
    【17】, we must have a balance between current and【18】knowledge. The attention of the public is continually drawn to new【19】in scientific fields and the discovery of new knowledge; these should not be allowed to turn our attention away from the sound, established materials that form the basis of【20】for beginners.
【13】
选项 A、fair
B、wise
C、risky
D、proper
答案B
解析 选项B表示“聪明的；明智的”。根据文章的一致性，“wise”与“good”形成呼应。而选项A“公平的；清晰的”，选项C“危险的；冒险的；大胆的”，选项D“适当的；正确的”均不符合题意。
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