; ; ; ; ; ; ; ; ; task 2 大概是the world is in the danger of losing its variety of language and culture with people living in the same way in different countries? why this happens and shoud we prevent it? ; 我讲了三个理由 booming of tourism, migration, globalization of economy 不过 第一第二点好象有些overlap了 ; 然后用很坚定的语气说 要prevent 不过 理由只讲了一句话 (用时 30min)