科学与生活 初中生英语演讲稿

Science and technology have been bringing human beings tremendous benefits. Thanks to science and technology, we now live comfortably and conveniently in houses furnished with air conditioners, refrigerators, washing machines and televisions etc. Thanks to science and technology, we can eat fresh vegetables att the year round. Thanks to science and technology, we can travel tong distances in the fraction of a second on planes, trains and cars. Thanks to science and technology, we wear clothes with synthetic materials which can not easily be worn out. However, science and technology have atso brought us a tot of disasters. First, because of the many breakthroughs in the field of medicine, people are now living much longer than they used to. As a result, the population of the world is increasing, causing tots of problems. Second, because of the development of industry, tots of the wastes from factories pour into the air and rivers, causing pollution of att kinds. Third, some terrorist