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26-30 Let children learn to judge their own work. A child learning to talk does not learn by being corrected all the time; if corrected too much, he will stop talking. He notices a thousand times a day the difference between the languages he uses and the language those around him use. Bit by bit, he makes the necessary changes to make his language like other people. In the same way, when children learn to do all the other things they learn to do without being taught--to walk, run, climb, whistle, ride a bicycle—compare those performances with those of more skilled people, and slowly make the needed changes. But in school we never give a child a chance to find out his own mistakes for himself, let alone correct them. We do it all for him. We act as if we thought that he would never notice a mistake unless it was pointed o A. They give children correct answers. B. They point out children’s mistakes to them. C. They allow children to mark their own work. D. They encourage children to copy from one another. [单项选择]平静呼吸时肺内压在下列哪一个时相中低于大气压
A. 吸气初 B. 呼气初 C. 吸气末 D. 呼气末 E. 停止呼吸时 [多选题]在锅炉升温升压过程中，为了使锅炉水冷壁各处受热均匀，尽快建立正常水循环，常采用( )。
A.向空排汽 B.提高升压速度 C.炉底加热装置 D.锅炉下部放水 [单选题]雨水青无法正常萎凋,将会产生()。
A.香气淡飘 B.青气味 C.日晒味 D.水闷味 [简答题]《铁路交通事故处理规则》中规定客运列车脱轨18辆以上属于()。
[判断题]'信e贷'实行统一客户库管理。办理'信e贷'业务的客户包括小额信用、模型测算、信贷管理系统授信三类。（ ）
A.正确 B.错误 [单项选择] Scientists studying the effect of large volcanic eruptions on global climate have long focused on the major quantities of carbon dioxide (C02), a gas known to contribute to the greenhouse effect, produced by these eruptions. It is well observed that such greenhouse gases trap heat radiated from the surface of the earth, thereby forming a type of insulation around the planet. The greenhouse effect is essential for ecological equipoise because it maintains the temperature of the planet within habitable parameters, but there is growing concern that man-made production of gases such as CO[,2] from the burning of fossil fuels may be threatening the system’’s tolerance, and have resulted in excessive warming on a global scale. While volcanic eruptions indubitably metabolize and accumulate C0[,2] in the atmosphere, it has been recently discovered that their impact is virtually trivial compared to the quantity produced by human activities, especially heavy industry. In reality, the more subs
A. The influence of volcanic eruptions on global weather patterns is almost completely understood at present. B. Scientists have only begun to understand, however, the effects of these wavelengths of light on the global environment. C. The majority of global cooling effects have thus been attributed to volcanic explosions. D. The human warming activities ameliorate by volcanic eruptions include those produced both by heavy industry and agriculture. E. The reason that sulfate aerosols take an unusually large time to disperse owes primarily to meteorological factors, including the jet stream. 我来回答: 提交
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