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又是一个重要表达：
这是2011年阅读文章中的一句话：
the learning curve has been steep
直接翻译的话是：学习的曲线很陡峭；很晦涩；
但是这个表达的实际含义是：做什么事情不是很容易，需要花功夫，是一个经常用的表达。
例句：
For most users, the learning curve required to transform a Linux box into a "personal" computer is too steep.
对大多数用户而言，把Linux机器改造成“个人”计算机所需的学习曲线也是非常陡的。
=对大多数用户而言，把Linux机器改造成“个人”计算机也是很困难的。

我的公共微信：kkenglish
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There are some od arguments for a technical education given the right kind of student. Many European schools introduce the concept of professional training early on in order to make sure children are properly equipped for the professions they want to join. It is, however, presumptuous to insist that there will only be so many jobs for so many scientists, so many businessmen, so many accountants. Besides, this is unlikely to produce the needed number of every kind of professional in a country as large as ours and where the economy is spread over so many states and involves so many international corporations.
对适当的学生实行职业教育也有道理。欧洲的许多学校很早就引进职业培训的概念，以确保儿童具备欲从事的职业所需的技能。然而，去臆断科学家、商人、会计职位的数量是武断的。此外，在我们这么大的一个国家里，经济延展到这么多的州，涉及到这么多的国际公司，因而要按照数量培养出所需要的各类专业人员是不太可能的。
presumptuous （专横的，自以为是的）看作presumpt(ion)假设+uous形容词后缀，“只凭假设就给人下结论的”→自以为是的。
61. It could be inferred from the passage that in the author's country the European model of professional training is ________.
[A] dependent upon the starting age of candidates
[B] worth trying in various social sections
[C] of little practical value
[D] attractive to every kind of professional
题型识别：推理题
题干定位：根据题干中的European model比较容易定位第三段。
思路解析：段落中出现的转折，作为推理题应该重点关注转折后。
It is, however, presumptuous.武断的；
Besides, this is unlikely不肯定
作者给出了负评价；至于具体的信息不用了解也可以做题；
选项分析：能对负评价进行同意替换的选项是 [C] of little practical value 为正确选项
[A] dependent upon the starting age of candidates转折前的内容，且不符合原文表述
[B] worth trying in various social sections正评价，且无依据，排除
[D] attractive to every kind of professional正评价，且无依据，排除
特别提示：推理题请多关注段落中的转折！