填空题.English serves as a functional alternative language in several areas of public activity for the many nations of the world which use it an international second language. Because of its 1 geographically widespread use, and because of the much number 2 of people who speak it, it has been adapted as the language of 3 aviation and air traffic. English has continued as one of the important languages of commerce, as the sphere of political and economic influence of the English-spoken nations has extended far 4 beyond their own bounds. The use of English in international 5 diplomacy is strengthened by its acceptance as one of the official languages of the United Nations. But as a final example, English is 6 the language of the most majority of published materials in the 7 world, so that education, especially specialized higher education, has come to rely very heavily in an understanding of English. In no 8 sense English replace the cultural heritage and emotional ties of 9 the first language, but for many speakers throughout the world, it provides a means of communicating with people of similar training and interests which would otherwise not be able to comprehend 10 them.