句中not all characters表示"并不是所有汉字"，为部分否定。

部分否定有否定词与all, both, each, every等词或always, completely等词连用构成，意为"不都，并非都"。

全部否定用：none, neither, nobody, no one, nothing, not ... any, not ... either, nowhere等表示。

【考点训练】单项选择。

(1) Good families are much to all their members, but ______ to none. (2014江苏高考,34)

A. something B. anything C. everything D. nothing

(2) --- Which of the two computers did you prefer?

--- Actually I didn't like ______.

A. both of them B. either of them C. none of them D. neither of them

2. The Chinese language differs from Western languages in that, instead of an alphabet, it uses characters which stand for ideas, objects or deeds.

【用法回顾】

介词in 后接that引导的宾语从句，in that意为：因为，在于。如：

Traditional Chinese arts are similar to the Western arts in that both can reflect the inner life of the creator. 传统的中国美术与西方美术的相似之处在于二者都能反映出创作者的内心生活。

宾语从句有链接代词或者链接副词引导，在in, except, but等少数介词之后可解that引导的宾语从句。如：

I know nothing about the newcomer except that he graduated from Nanjing University.

我对那个信赖者一无所知，只知道他毕业于南京大学。

【考点训练】单项选择。

(1) The two students were praised by the teacher ______ they had make great progress in the

　　mid-term examination.

　　A. but that B. and that C. in that D. in which

(2) Forests suffered at the hands of men ______ they were destroyed by people to make way for

agricultural land to provide food for more people.

A.in which B. for which C. so that D. in that