B: Read the following passage carefully then answer the questions. An endangered language is a language that has very few speakers. Nowadays, many languages are losing their native speakers. When a language dies, the knowledge and culture disappear with it. A lot of endangered languages are in Australia and South America. Some of them are in Asia and Africa. The number of live languages of the world is around 7000, and many of them may not exist in the future. Many researchers are now trying to protect endangered languages. This can save lots of information and cultural values of people all around the world. 38. What is an endangered language?

39. How many endangered languages are there in South America?

40. The underlined "it" refers to. ............. a. culture b. speaker c. knowledge d. language

41. The number of live languages of the world is around seven thousand. a. True b. False