English has become the language of international trade and transport. Most planes traveling from one country to another used it to talk with airports. All ships sailing on the oceans call for help by radio in it. It has been said that 60 percent of the world’s radio broadcasts and 70 percent of the world’s mail are in English. An international sports meets, at meeting of scientists from the corners of the earth, English is the language most commonly used and most widely understood.

English has in fact become the language of international cooperation in science and technology. The most advanced results in space, nuclear and computer research are published in it. A scientist who speaks and writes English is in closer touch with the scientists in other countries than one who doesn’t.