It is peppered with a spate of Chinese elements in writing，Three Representatives,for instance. 

参考译文：以“三个代表”为例，它与中国的文字元素是一致的。

A be peppered with B 意思A中布满了B

While her English was correct, it was peppered with French phrases. 

她的英语语法上没错，但是里面夹杂着很多法语短语。

Outside, the road was peppered with glass. 

屋外，马路上尽是些玻璃碴。

for instance用来列举一个实例加以说明，相当于for example

for instance =for example例如，比如; 拿 ... 来说

There are jobs more dangerous than truck driving; for instance, training lions.  

有的工作比驾驶卡车更危险, 例如驯狮.

They will be concerned to do the right thing — to dress properly, for instance.  

他们需要注意行为是否恰当——比如说，穿着得体。