Part C
46. He believes that this very difficulty may have had the compensating advantage of forcing him to think long and intently about every sentence, and thus enabling him to detect errors in reasoning and in his own observations.
本句的考查点是that引导的宾语从句，主干是he believes that….that从句的结构是this very difficulty may have the….advantage of forcing…, and thus enabling…。Of后面forcing和enabling组成的并列结构做advantage的同位语。
参考译文：达尔文认为正是因为这个困难，促使他对每一个句子进行长时间和针对性的思考，同时也使得他在观察和推理中发现错误。这也就使他具有了别人所不具备的优势。
47. He asserted, also, that his power to follow a long and purely abstract train of thought was very limited, for which reason he felt certain that he never could have succeeded with mathematics.
本句考查点是宾语从句，非限制性定语从句。主干是He asserted that…。宾语从句的结构是his power to… was…。其中不定式to引导的部分 follow …of thought做power的定语；for which reason所引导的非限制性定语从句中又包含一个that引导的表语从句。
参考译文：达尔文同时声称，对于冗长而且纯抽象的思想，自己的理解能力并不强。因为这个原因，他相信自己在数学方面根本不会成功。
48. On the other hand, he did not accept as well founded the charge made by some of his critics that, while he was a good observer, he had no power of reasoning.
本句考查点是同位语从句，让步状语从句。主干是he did not accept… the charge made by… that…。其中as well founded作为一个插入成分，对charge进行修饰。made引导的过去分词短语作定语修饰charge。That引导的从句是charge的同位语，包括一个while引导的让步状语从句。
参考译文：另一方面，虽然有些批评他的人一致认为他善于观察，但不具备推理能力，但是他不同意这种说法。
49. He adds humbly that perhaps he was “superior to the common run of men in noticing things which easily escape attention, and in observing them carefully.”
本句考查点是宾语从句，定语从句。主干是he adds …that… 其中宾语从句的结构是he was superior to …in…, and in…。which引导的是things的定语从句。
参考译文：达尔文很谦虚的补充到，有些事情需要高度的注意力和细心的观察，也许他自己在观察此类事情时比一般人有优势。
50. Darvin was convinced that the loss of these tastes was not only a loss of happiness, but might possibly be injurious to the intellect, and more probably to the moral character.
本题考查点是宾语从句。主干是Darvin was convinced that…。其中宾语从句的结构是the loss of these tastes was not only…, but…be injurious to …, and to …。
参考译文：达尔文认为，对(音乐和绘画方面)兴趣的丧失，失去的不仅仅是一种乐趣，而且可能会伤害到智力，更有甚者还可能伤害到道德。
