数据分析中表示错误的词（常常出现在改错题的knowledge考点分析）

1.作为“知识，学问，学识”的总和或抽象的含义时，都是不可数名词。另外，作“知晓；知悉；了解”也是不可数名词。因此，一般情况下，都不能与a（an）不定冠词连用，也没有复数形式。如：

Langston Hughes always seemed to know exactly who he was ,and those knowledge helped make him one of the most respected writers in the United States.(托福改错题，knowledge错误地写成：knowledges)

兰斯顿休斯似乎总是很清楚自己是谁，这些知识使他成为美国最受尊敬的作家之一。

Classification is a useful approach to the organization of knowledge in any field.

分类是系统化知识的一个有用的方法。(托福改错题，knowledge错误地写成：knowledges)

For years we had little knowledge of what life was like inside China.

以往很多年我们对于中国国内的生活情况所知甚少。

Knowledge is prower.知识就是力量。

A little knowledge is a dangerous thing.

一知半解是很危险的事。

2.当knowledge指人们对某一具体事物或具体学科的知识时，可以与不定冠词a(an)连用，不管有无定语。如：

The old man has a good knowledge of Beijing.

这位老人非常了解北京。

He has a wide knowledge of painting and music.

他在绘画和音乐方面知识渊博。

She has acquired a good knowledge of English.

她英语已经学得很好。

For this job you will need a good knowledge of both Italian and Spanish.

担任这项工作需要精通意大利语和西班牙语。

She has an encyclopedic knowledge of natural history.

她具有广博的自然史知识。

Many people agree that a good knowledge of English is a must in intermation trade today.

许多人都认为在当今的国际贸易中，精通英语是必须的。(96高考真题)

One way to understand thousands of new words is to gain a good knowledge of basic word formation.

掌握基本的构词法是理解成千上万的生词的一个方法。(02上海高考真题)