選材規(guī)范、標準演練；循序漸進、梯度提升；題量豐富、有效提高；技巧同步、一語中的；縮略速記，全面覆蓋。 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>填橫線處的短句，一行一個短句。