第1个回答 2024-04-05
Section A1b 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 2：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 1：I know! The Nile is the longest river in the world.
Boy 2：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!
Section B2a Listen and number the facts [1-4] in the order you hear them.
Mike：Hi, I’m Mike. I’m from the United States.
Boy：Welcome to our class, Mike. We’re happy to meet you.
Mike：Can you tell me a bit more about China?
Girl：Sure! Did you know that China is one of the oldest countries in the world? It’s over 5,000 years old.
Mike：Yes, I did. It’s much older than my country—in fact, the United States is one of the youngest countries in the world. It’s not even 300 years old.
Boy：And China has the biggest population, too. It’s a lot bigger than the population of the United States.
Mike：But China is about the same size as the US, right?
Girl：Yes, and it’s the biggest country in Asia. We also have some famous rivers. The Yangtze River is the longest river in Asia. It’s about 6,300 kilometers long.
Mike：Wow! I didn’t know that. I thought the Yellow River was longer.
Boy：No, the Yellow River is 5,464 kilometers long. But both rivers are very important to China.
2b Listen again and fill in the blanks in 2a with the numbers in the box.
Section B1b Listen and check（√）the numbers you hear.
Teacher：Do you have any questions about baby pandas?
Boy 1：Are they much smaller than an adult panda?
Teacher：Yes. When they’re born, they only weigh about 0.1 to 0.2 kilos.
Boy 1：Wow, that’s small! I know an adult panda weighs many times more than a baby.
Teacher：That’s right. And the adult pandas weigh about 100 kilos.
Boy 2：What about the size of a baby panda? How small is it?
Teacher：At birth, it’s only around 15 cm long, but an adult panda is around 150 cm long.
Girl 1：Is a baby panda also black and white?
Teacher：No, you would never guess! A baby panda is pink and it cannot see. It also doesn’t have any teeth.
Girl 1：How long can pandas live?
Teacher：They can live up to 20 to 30 years.