There have been many great inventions or things that changed the way we live. The first gr

There have been many great inventions or things that changed the way we live. The first great invention was the one that is still very important today——the wheel. This made it easier to carry heavy things and to travel long distance.
For hundreds of years after that there were few inventions that had as much effect as the wheel . Then in the early 1800s the world started to change. There was little unknown land left in the world. People didn’t have to explore much any more. They began to work instead to make life better.
In the second half of the 19th century many great inventions were made. Among them were the camera, the light and the radio. These all play a big part in our daily life today.
The first part of the 20th century saw more great inventions. The helicopter in 1909, movies with sound in 1926, the computer in 1928, jet planes in 1930. This was also a time when a new material was first made. Nylon came out in 1935. It changed the kind of clothes people wore.
The middle part of the 20th century brought new ways to help people get over diseases. They worked very well. They made people healthier and allowed them to live longer. By the 1960s most people could expect to live to be at least 60.
By this time most people in developed countries had a very good life. Of course new inventions continued to be made. But man now had a desire(渴望) to explore again. The earth was known to man but the stars were not. Man began looking for ways to go into space. Russia made the first step. Then United States took a step. Since then other countries , including China and Japan, have made their own steps into space.
In 1969 man took his biggest step away from earth. Americans first walked on the moon. This is certainly just a beginning, though. New inventions will some day allow us to do things we have never yet dreamed of.
【小题1】This passage talks mainly about .A．why cars were very importantB．when light was inventedC．how inventions affect people’s daily lifeD．which country made the first step into space【小题2】According to the passage man didn’t have a desire to explore a lot .A．at the beginning of 1800sB．in the 1960sC．since the 1900sD．from the 1800s to 1960s【小题3】Nylon came out five years later than .A．radioB．cameraC．jet planesD．movies【小题4】People can live longer lives because that help cure diseases have worked very well.A．doctorsB．new waysC．medicinesD．new hospitalsC

(答案→)C 解析：这篇短文主要介绍了创造发明对我们生活的影响。作者按照时间顺序对人类的重大发明做了简单介绍，并告诉我们人类创造发明的脚步远未停止。【小题1】根据There have been many great inventions or things that changed the way we live.及下文描述可知本文主要描述了发明是如何影响人们的日常生活的。故选C。【小题2】根据Then in the early 1800s the world started to change. …… People didn’t have to explore much any more.描述可知选A。【小题3】根据jet planes in 1930. …… Nylon came out in 1935.1935-1930=5，故选C。【小题4】根据The middle part of the 20th century brought new ways to help people get over diseases. They worked very well. They made people healthier and allowed them to live longer.描述可知选B。

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