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Describe the most important invention before the computer.

You should say:雅思听力教材

What it is.

What it is used for.

What the advantages and disadvantages of it are.

TOPIC 34.1

THE MOST IMPORTANT INVENTION

THE AUTOMOBILE

1. Since its invention, the automobile has become one of the most importantmeans of transport in the world. Automobiles have completely changed thelifestyles of almost all people in the world.

2. On the positive side, people can go anywhere by car more rapidlycompared to on foot or riding a horse in the past. And thus people can realizetheir dreams of traveling to far off places.

3. On the negative side, automobiles are the main source of air pollutionin the world. This creates the so-called 揼reen-house?effect, which leads to manyserious environmental problems.

As for the applications of the automobile are concerned, I would like tohighlight the following:

4. Firstly, it has totally changed the way in which we travel. In the past,animals like horses, mules, and camels were used for traveling and thetransportation of goods. Compared to previous ways of traveling, automobiles aremore comfortable and faster.

5. In addition, the automobiles have made it possible for us to transportlarge quantities of goods and people at one time. For example, mega-trucks andbusses are well suited for these purposes.

6. Lastly, the invention of the automobile has resulted in many newindustries being formed. The repairs and spare-parts industries for example,provide jobs to millions of people all over the world.

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