Therefore,with every increase of knowledge and skill,wisdom becomes more necessary,for every such increase augments our capacity for realizing our purposes,and therefore augments our capacity for evil,if our purposes are unwise.
【妙译】因此，随着知识和技术的增加，更加需要智慧，因为知识和技术的每一次增长都会增强我们到达目标的能力，当然如果我们不智慧，也能增强我们作恶的能力。
【点拨】该句为一个复合句，其主干为“wisdom becomes more necessary”。With引导的短语构成伴随状语;for 在本句中引导原因状语从句，在该句原因状语从句中，包含一个由if引导的条件状语从句。
完型练习
1.She was a very quiet and kind director.She never laughed,___1___lose her temper.But when she worked she was very strict.We have been told by her that under no circumstance____2___the telephone in the office for personal affairs.
1.[a] or she never did [b]nor did she ever
[c]or did she ever [d]nor she never did
2.[a]may we use [b]we may use
[c]we could use [d]did we use
2.Seldom___3___any mistakes during my past five years of works.However,I still could not gain success as a good writer like my teacher.Finally my teacher told me:”Only when you have acquired a good knowledge of life around you___4___write successfully and meaningfully”
3.[a]should I make [b]did I make
[c]I did make [d]would I make
4.[a]you will [b]can’t you
[c]you can [d]can you
答案：
1.选B。该题考点为当前面的句子和后面的句子都含否定意义时，后面的分句常用nor连接，并采用部分倒装语序。
2.选A。该题考点为under no circumstance(无论如何)具有否定意义，在句首时句子应部分倒装。
3.选B。该题考点为否定含义的表达用在句首时句子的倒装。该句中seldom“几乎没有，很少”是含有否定意义的副词，当它位于句首时，句子要用部分倒装。
4.选D。该题考点为only接状语从句位于句首时句子的部分倒装。