问题
单项选择题
分馏系统短循环的目的是（）。
A.泵试运转
B.缩短开工时间
C.实战练兵
D.检验仪表
答案
参考答案：B
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分馏系统短循环的目的是（）。
A.泵试运转
B.缩短开工时间
C.实战练兵
D.检验仪表
参考答案：B
It has been argued by some that gifted children should be grouped in special classes. The __1____is based on the belief that in regular classes these children are held back in their intellectual (智力的) growth by___2___situations that has designed for the ____3___children. There can be little doubt that___4____classes can help the gifted children to graduate earlier and take their place in life sooner. However, to take these____5____ out of the regular classes was created serious problems. I observed a number of___6___students who were taken out of a special class and placed in___7____class. In the special class, they showed little ability to use their own judgment, relying__8___on their teachers’ directions. In the regular class, having no worry about keeping up, they began to reflect___9___on many problems. Some of which were not on the school program. Many are concerned that gifted children become___10____ and lose interest in learning. However, this___11____is more often from parents and teachers than from students, and some of these___12___simply conclude that special classes should be set up for those who are ___13___. Some top students do feel bored in class, but why they___14_____so goes far beyond the work they have in school. Studies have shown that to be bored is to be anxious. The gifted child who is bored is an___15____ child.
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