We live in the“computer age（时代）”, people like scientists（科学家）, teachers, writers and even students use computers to do (1) work. But more than 30 years ago, (2) couldn't do much. They were very big and expensive. Very (3) people were interested in them or knew how to use them. Today computers are smaller and (4) (5) they can do a lot of work, many people like to use them. Some people even have them at home.

　　We live in the “computer age”. People like scientists, teachers, writers and even students use computers to do __(1)___ work. But more than 30 years ago, __(2)___ couldn't do much. They were very big and expensive（昂贵的）. Very __(3)___ people were interested in them and knew how to use them. Today computers are smaller and __(4)___. __(5)___ they can do a lot of work, many people like to use them. Some people even have them at home.

　　We live in the “computer age（时代）” People like scientists, teachers, writers and even students use computers to do 1 work. But more than 30 years ago, 2 couldn't do much. They were very big and expensive. Very 3 people were interested in them and knew how to use them. Today computers are smaller and 4 . 5 they can do a lot of work, many people like to use them. More and more people even have them at home.