英语the extensive use of English, the universal language, make effects to learn this language instead of their mother tongue.

全球the contribution of English language to the globalization. 

后果have adverse effect on the,

组织 international conferences, academic groups,  a company's financial statements, company's operation and read the company's materials

absence

Admittedly, despite the contribution of English language to the globalization , it is regarded the main reason of the  loss of culture diversity. Young people make effects/ an effect to study English  instead their mother tongue, and that is why some minority language have disappeared / died out. English as the favourate language for international media, conveys their English-speaking countries beliefs, lifestyle, values. It may have adverse effect to the culture diversity, and some traditional cuisines, therapies, religious ceremonies, will soon vanish, if the language disappear. Our knowledge about the world will be limited in a narrow area. 

However, the extension( extensive use) of language helps promote international cooperation, as a universal language which can overcome the language barriers in the global setting. English have been regarded as the main language by international conferences and academic groups, and more than 80 percents websites present their information in English. For example, if a company's financial statements are written is English, any investor who have a good command of English can read the company's materials and understand the company's operation, regardless their mother tongue(native language.)

In addition, the dominant language is used worldwide in many large companies and leading universities. Those who do not speak English find it difficult to find a decent employment and survive in a global community. In contrast, people have a proficiency in two language can easily travel overseas, collect information and find jobs.