The first lesson explains about the different languages of the world: language is the most important way of our communication to share our feelings, beliefs and behaviors. And there are about 7000 languages in the whole world, which is the most language for China, which is definitely because of its high population. But English have most learnears language. some language that may not have any writing. Some languages may have only ten speakers. And we all know that if the people who make up a language die, that language dies too, and the important thing that everyone should know is that all languages are valuable even with their differences.