完形填空（共10小题，每小题1分，满分10分）
阅读下面短文，从短文后所给各题的A、B、C、D四个选项中选出最佳答案。
Paper was first     about2,000 years ago, it has been made     silk, cotton, bamboo, and wood. People learned to write words on paper to make a book. And because there weren’t many books,      people learned to read. Then printing was invented in China. The first printed books were made by      ink on a wooden block and holding the paper against it. When printing was developed greatly       the beginning of the11th century, books could be produced more quickly and     .
___       , more people learned to read. After that, knowledge and ideas spread quickly,         a way that can be compared       the       of the Internet in the20th century.

A． create B． created C． creating D． creates

A． in B． of C． from D． by

A． little B． a little C． few D． a few

A． put B． putting C． puts D． puting

A． at B． in C． by D． on

A． cheap B． cheaply C． cheaper D． cheapest

A． Because B． so that C． As a result D． because of

A． on B． in C．by D． at

A． at B． with C． by D． about

A． introduction B． introduce C． introduced D． introducing