选材规范、标准演练;循序渐进、梯度提升;题量丰富、有效提高;技巧同步、一语中的;缩略速记，全面覆盖。 With the development of computer-technology, computers are becoming increasingly popular all over the world. The computer is being used 1.__________. In industry, business, education, medicine, nearly 2.__________, computers have made their appearance, providing great speed and accuracy for our work. Computers have been used in the home, offices, laboratories and research institutions, acting as 3.___________ for calculating, sorting, filing, recording and distributing. And 4.___________ through which we can understand the world better. During the past fifty years, the computer has been rapidly advanced. 5.__________, it has experienced the development of several generations. The earliest computers were of great size, and 6.__________ in speed and accuracy. Now efforts are being made not only to bring the hardware to perfection, but also to 7.__________. 注意填横线处的短句，一行一个短句。

　　in many fields all walks of life the most efficient and multifunctional instruments they have also become a window Ever since the computer came into being had no match for the latest electronic computers improve the quality of the software