师：Hello, boys and girls. You know my name, right? Yes, I come from Shanxi province. Do you know what Shanxi is like? Now, let's have a look. Shanxi is a very beautiful place. There are many mountains and it's famous here. The people are very... It's my first time to come here. To me, the Yangtze River is beautiful. Now I have two people here. We live in different places of China, but we all live on the same planet, right? On the earth. Okay, let's read about the earth. So today we are going to talk about the earth. Now look at the picture. What is it?
生：Yes, it's the earth.
师：Okay, how is the earth? Please use a microphone.
生：The earth is big and beautiful.
师：Oh, it's big and beautiful. Why do you think it's beautiful?
生：One, because it has many beautiful colors.
师：Oh, what color do you see?
生：I can see blue, green, brown and white.
师：Yes, you're right. I can see green, blue and brown parts, right? Okay, who can tell me what the brown parts are? What are the brown parts? You please.
生：The brown part is the land. We live on it.
师：Very good. We live on it. The brown parts are land. Okay, follow me. Land. Okay, we live here. And what about the green parts? Use a microphone.
生：It is forest.
师：Oh, they are forests. Is that right? Yes. The green parts are forests. Say “forests”. Forest, forests, forest. Okay. And now let's have a look at what's in a forest. Do you know this is our land and we live on it? What's in the forest?
生：There are many animals and plants.
师：Oh, many animals and plants. There are many kinds of trees, right? The trees are very beautiful. Right. Anything else you can see?
生：And some rivers. Maybe some lakes. And maybe there is mud.
师：Mud. What does... Okay, right. Okay. And you see here, what are they?
生：Elephants.
师：That means there are many kinds of animals here. They live happily in the forest, right?
生：Yes.
师：And what about the blue part here? The blue parts.
生：There are oceans.
师：Oh, there are oceans. What's in the oceans?
生：There are many fish in the ocean. Maybe sharks. Maybe dolphins.
师：Oh, sharks and dolphins and many kinds of other animals, right? Yes. They live in these beautiful and clean oceans. So boys and girls, the earth, with blue, green and brown, is a colorful place with animals, plants and people. It's beautiful. Let's read this. Okay, let's see. Let's read together. “Earth.”
“Want to go the earth, blue, gray and round a farrow legs. The earth and else laugh and me are beautiful.” Well, how beautiful it is. Now, today, Miss Hu and her students are talking about the earth too. And in this conversation, Miss Hu asks some questions. Okay, so please listen and then tell me what questions Miss Hu asks. Listen carefully. Look at this picture. What is it?
生：It's the earth. The green and brown parts are forests and land.
师：What are the blue parts?
生：I think they are oceans.
师：Yes, they are. The earth was very clean and beautiful in the past, but now some parts are dirty. Can we do anything to help the earth?
生：Yes. We should stop throwing rubbish into rivers. We should stop cutting down so many trees. We should stop using plastic bags.
师：Okay, so what questions does Miss Hu ask? Can you find the questions here? Okay, the first question, please.
生：What is the picture? What is it?
师：Okay, so it's the earth, right? And the second question, please.
生：What are the blue parts?
师：They talk about the different parts of the earth, right? Yes. And the third question?
生：Can we do anything to help the earth?
师：That means, what should we do? Okay. Yes. You know, the earth was clean and beautiful, but now Miss Hu says, can we do anything to help the earth? Oh, what's the matter with the earth? Now please listen again and try to find the answer. Okay? Okay. Please look at this picture. What is it?
生：It's the earth. The green and brown parts are forests and land.
师：What are the blue parts?
生：I think they are oceans.
师：Yes, they are. The earth was very clean and beautiful in the past, but now some parts are dirty. Can we do anything to help the earth?
生：Yes. We should stop throwing rubbish into rivers. We should stop cutting down so many trees. We should stop using plastic bags.
师：Alright, final answer. What's the matter with it? Now, some parts are dirty. Oh, the whole sentence here, the earth was clean and beautiful in the past, but now some parts are dirty. Is that right?
生：Yes.
师：Now, let's read the sentence together. Let's read it. “The earth was very clean and beautiful in the past, but now some parts are dirty.” How dirty is it? But now let's have a look. We cut down too many trees. Smoke from the cars, buses and factories makes the air dirty. People throw rubbish into rivers and oceans. Now some parts of the earth are dirty. Animals lost their homes. So could you tell me why are some parts of the earth dirty? You, please use a microphone.
生：In the forest, people cut down many trees.
师：Good. So, you know, the forests are... Yes, because we cut down too many trees, right? And because people throw too much rubbish into the ocean, right?
生：Because people throw rubbish into the oceans. And because people pour dirty water into the rivers.
师：Oh, yes, because people pour dirty water into the rivers, right? Yes, for dirty water and anything else?
生：Smoke from the factories goes into the air.
师：You're right. Because of the smoke from the factories and maybe the buses and people kill so many animals, right? Because people kill so many animals, right? And now you give me so many answers. And before I came here, I asked the same questions to my students. They gave me some answers. Do you want to know their answers?