填空题

A. improved
B. accidentally
C. until
Phrases:
A. to keep printing copies 1 they get it
B. being 2 deleted from a computer
C. as well as 3 computer graphics
Twenty years ago when the personal computer hit the business world, experts predicted the advent of the paperless office. But time has proved them wrong. Offices have more paper than ever. People can easily print out a personal copy of a document for anyone who needs to see it. Programs such as spelling and grammar checkers, 4 , have led people to expect perfection in their documents, and 5 . The simple truth is that most people simply prefer paper. Scientific studies have shown that paper copies are easier for people to read and to edit than is text on a screen. And many people are still nervous about documents 6 —if not through their own fault, through a computer system failure or a power outage. In short, although office paper may be significantly reduced, the paperless office is unlikely to become a reality.

【参考答案】

C观察空白前后的结构发现,空白后面是一句子,据此确定空白需填入连词,故C项until为正确选项。