1b Listen and complete the sentences.
Teacher: Yesterday, we learned some important geographical facts. I hope you all still remember them. I’m going to test you now by asking a few questions.First, what’s the highest mountain in the world?
Boy 1: Qomolangma! It’s higher than any other mountain in the world.
Teacher: That’s right.And who can tell me what the Sahara is?
Girl 1: The Sahara is the biggest desert in the world.
Teacher: Very good.And which is the deepest salt lake in the world?
Girl 2: The Caspian Sea is the deepest of all the salt lakes.
Teacher: You’re all so smart!Now,for the last question,which is the longest river in the world?
Boy 2: I know! The Nile is the longest river in the world.
Boy 1: And the Amazon is the second longest river in the world.
Teacher: It seems that you know the answers to all my questions. Good job!