推荐回答（2个）
In modern life we have many inventions.Thesemachines are very useful.They can make things better and faster than people.A washing machine can help us wash clothes.We have more time to do that we want to doduring this time.A printing machine prints a lot of books,newspapers and other things qiickly.Buses,bikes,cars,trains,planes and shipshelr us travel faster than before.The compter is wonderful machine.It is one of the most important inventions. Today it is used in many ways.It can store innformations and work out math problems millions of times faster than a person can.
你好，
What is my favorite invention?
We knew there had been many inventions at the last century, for example, electric light bulb, telephone, phonograph, mimeograph machine, automobile, airplane, atomic weapon, computer and so on. What is my favorite invention?
Personally, my favorite invention should be computer. In the old days, many scientists took much time to calculate and deal with research data, so the effective time in doing research was relatively shortened. For millions of times of calculating per second by computer, the researchers may have enough time to study more important issues. The processing of experiment results became very simple and easy. Aren’t those all evidences that the computer is one of the greatest inventions in the last century, are those?
So my favorite invention is computer.
望采纳。
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