We live in “computer age(时代)”. People like using computers to do ___21__work. But more than 20 years ago, ___22__couldn’t do much. They were very big and expensive. Very __23___people were interested in them and knew how to use them. Today computers are smaller and ___24___.Since they are useful, many people like to use them, even at home. Computers ___25___very important because they can work ___26___than men and make fewer mistakes. Computers can ____27___people do a lot of work. Writers can use computers to write. Teachers can use computers to help teaching and students use them to study. Computers can also remember what you put ___28____ them. Computers are very___29___. They are our good friends. Do you want to ___30____a computer. 小题1: A．all kinds of B．many C．very much D．a lot 小题2: A．teachers B．students C．computers D．scientists 小题3: A．a few B．few C．little D．a little 小题4: A．cheaper B．cheap C．expensive D．more expensive 小题5: A．is becoming B．becomes C．become D．became 小题6: A．quickly B．quick C．fast D． faster 小题7: A．help B．tell C．ask D．stop 小题8: A．on B．into C．up D．to 小题9: A．heavy B．careful C．beautiful D．helpful 小题10: A．lend B．pay C．have D． sell