老师：Hello, boys and girls. Nice to meet you. I'm Miss Liu from Hongguang Middle School. Welcome to this lesson. Today we will learn Unit 4, Life on Mars comic strip. And welcome to the unit in 9B. Boys and girls, how do you like life on the earth now? Look at picture. Polluted air. Many people are suffering from the polluted air.
老师：In the background, lack of water. Water is becoming an increasingly scarce resource. It is reported that 1 billion people do not have enough water to meet their daily needs. Global warming. It is believed that the rising global temperature will cause bad weather systems, crop failures and disease outbreaks. Large population, the world population is increasing rapidly. It is predicted to be over 10 billion in 40 years.
老师：There are some other problems as well on the earth. Since there are so many problems on the earth, have you ever imagined traveling into space? Many people have this dream. So do our friends hobo and Eddie. Look at the picture. Where are they? How does Eddie like life there now? Let's listen to their dialogue and find out the answers.
学生：I've never thought about traveling into space. Me neither. How do you like life on Mars? I hate it. Why do you hate it? I thought you liked Mars. It's this.
老师：Helmet. I can't get to my food. Have you got the answers? Question 1, where are they? They are on Mars, boys and girls. Can you read this word? Mars. Very good. Question 2, how does Eddie like life there? Why Eddie Hate Mars? Because of the helmet. He can't get to his food. White skills. Pay attention to helmet. Follow me again. Helmet. Very good. Now let's read this dialogue and think, why didn't hobble, wear a helmet? Because he is an a dog. Very good boy skills. Eddie wrote a diary about his dream. Now let's read and complete. Dear diary. Last night I had a dream. I dreamed that hobo and I go to Mars and we had a picnic there. Hobo has never thought about traveling into space. Neither have I. Hobo was excited, but I was very worried. I even hated life on Mars. There was so much delicious food, but I couldn't get to my food because I was wearing a helmet. Hobo enjoyed the food happily. He almost ate up all the food. But I was so hungry that I woke up soon. It was a really boring space travel. Can you read the word together? Dream. Picnic. Traveling. Neither hate it. Helmet 8. Hungry. Bad. Very good. Now let's read after the tape.
学生：I've never thought about traveling into space. Me neither. How do you like life on Mars? I hate it. Why do you hate it? I thought you liked Mars.
老师：It's this helmet. I can't get to my food. Wise girls. Can you act out this dialogue? Here are some tips for you. Tip one, use different tones to act. Tip 2, add your own actions to make the dialogue more interesting. After c
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