新版牛津版2020学年九年级英语下册Unit4LifeonMarsComicstripandWelcometotheUnit教案

Unit4 Comic strip and Welcome to the unit一、教学目标1. 思考未来的生活。2. 思考在另一个行星上生活会是什么样子。3. 讨论某一特定环境的优点和缺点。二、教学内容1. 掌握词汇：Mars, helmet, air tank, dried food, power pack, sleeping bag。词组：sleeping bag, air tank, on Mars。句型：(1)What would it be like to live on Mars?(2)Wed probably need to wear special boots.(3)Theres no fruit or vegetables, so we would have to eat dried food.(4)But there would be no pollution on Mars.三、重点难点1. 讨论生活在火星上会是什么样子及其优点和缺点。2. 用英语表达在火星上生活会是什么样子。四、教学过程Step 1 Leading in1. Show a picture of Earth to students and have a short talk.T: Do you know the place in the picture?Ss: Its Earth.T: Yes, our home. Why is it blue? Can you guess?Ss: Its covered with water.2. Name the other planets in solar system. They can say them in Chinese if they dont know the English names.Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune3. Show another picture about Yang Liwei and present some words.T: Do you know the man?Ss: He is Yang Liwei.T: Great. He is a hero and our countrys pride. Humans have been to the moon. And they have to wear helmets and take cameras with them to take photos. Do you want to have a space travel to Mars?Ss: Yes, we do.Step 2 Listening and Practising1. Tell students Eddie and Hobo are now living on Mars. And listen to their conversation and find out how Eddie likes life on Mars.2. Listen again for students to follow it.3. Read the dialogue in pairs and then act it out.4. Learn the sentence patterns.How do you like.? = What do you think of.?Step 3 Presentation1. Show them several pictures and find out the problems with Earth, such as polluted, crowded.2. Tell them the scientists think Mars is the most probable planet in solar system for humans to live on.We can imagine what life will be like on Mars.3. Two or four students in a group discuss if life on Mars is better than that on Earth at present. Encourage them to think over the reasons.4. Read each sentence in Part A and do a survey about advantages of living on Earth.Step 4 Discussion1. Read the words twice in Part B.2. T: People have been to the moon already. Daniel is dreaming about camping on the moon. Do you also want to go there? Look at the items in the picture in Part B and choose what you will take with, talk about your reasons. Discuss them with your partners.3. Choose several groups to state their choices and reasons, then recommend two best groups and give them each a red star as a reward.Step 5 Word gameT: Guess the word according to its meaning.1. When you travel to space, you should wear it on your head. What is it? (helmet)2. You often wear them on a hot sunny day to protect your eyes. (sunglasses)3. A kind of machine like a person. (robot)4. Its a simple house that people can live in when they go camping, (tent)Step 6 PracticeDo the exercises on Students Book.Step 7 HomeworkRemember the important words and expressions.五、板书设计Unti4 Comic strip and Welcome to t