There are many different languages in the world（1）     ．It is used by business people,airline pilots, and sea captains all over the world.（2）    ． So it is very important to learn English.

Chinese is also an important language.（3）   ．Today, not only people living in China but also people living outside China speak it.

From all the languages in the world, the UN（联合国） has chosen the following six of them as the official languages.（4）   ．

Arabic is widely spoked in many parts of Asia and Africa（5）    ． English is mostly used all over the world. French is widely understood in Europe and in parts of Canada, Africa and Asia.Russian is spoken in both Europe and Asia.Spanish is used not only in Spain, but also in Central and South America.

A． It is also the first language of sport and science. B． of all these languages, English is the most widely used. C．It has the largest number of speakers. D． Russian and Chinese are both very important for us to learn. E． Chinese is widely used in Asia and other parts of the world. F．They are Arabic, Chinese, English, French, Russian and Spanish. G．People in Britain and Australia speak English.