Nguyễn Thị Ngọc Mai
Topic: In the history of human beings, many inventions have greatly changed human’s life. Write some of the inventions which have brought some changes in our life.
One of the most prominent features of the present century is the progress of science and its effects on almost every aspect of social life. Nowadays, more and more new things invented to make our life more comfortable and convenient. It is difficult for us to point out which inventions changed human’s life the most, but in my opinion the three most remarkable inventions changed the world the most are the creations of electricity, aircraft and computer. Firstly, electricity actually becomes necessary in human beings’ life, it has contributed much in manufacturing, curing and operating machines. If the power of electricity had never been existed we wouldn’t have even a fraction of what we have in the world today. No electricity also means that there is no TV’s, no computers, no air conditioning… Indeed, we cannot even imagine how we would live in absence of electricity in modern times. In addition, many diseases are treated by electric treatment today. Surgeons will not be able to carry on their instruments and machines without electricity. For example, X-ray machine which enables the doctor to take the photograph of the internal parts of the body can be operated only with its help. This is an industrial era. Many big and heavy machines are used to generate foods, goods, clothes….Nonetheless, such machines works only with the help of electricity. In some progressive countries, like Japan, electric power is used in almost all the factories, a power cut in one day could lead to the deadlock. For this reason, electric power is really useful in production as well as the growth of industries. The second invention I believe that it has great impacts on our social life is the creation of computer. It would actually be difficult to say when the first computer was made but...
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