Module 3 Journey to space Unit 2 We have not found life on any other planets yet. 设计说明 本单元通过头脑风暴，激发学生的学习兴趣，增强学生对于太空领域的了解。通过任务设置教学阅读课，培养学生通过细节获取信息的能力以及把握文章主旨大意的能力；通过写作训练，使学生学会如何写描述太空的相关文章。 教学目标 通过本单元的教学，让学生达成以下目标 1.知识目标： 掌握本单元新单词及短语：none, environment, that, solar, system, group, galaxy, universe, light, impossible, out, communicate, solar system 2.能力目标： 读懂以太空为话题的简单文章并能识别细节，并完成相关话题的写作任务 3.情感目标： 通过读写训练，能够了解中国在太空探索领域取得的伟大成就，增强民族意识和民族自豪感 重点难点 重点：相关阅读技巧的培养 难点：读写训练，以读促写，并完成相关话题的写作任务 教学准备 PPT 课件,图片、学案等 授课时数 2课时 教学过程 Step 1 Warming up 1.Brain storming: Let students think them over and discuss in groups: How many planets are there in the solar system? What are they? Is there any life on other planets? Ask the students to have a discussion and think them over. Then, the teacher shows students the pictures of eight planets. 3.Tell students some background information of people’s effort to land on the moon home and abroad. Step 2 Pre-reading Ask students to work in pairs to talk about Shenzhou-9—a man-made spaceship. What do you know about it？ Step 3 Fast-reading Read the passage and choose the best title for it. 1.Anyone out there? 2. Life on the earth 3. The sun and other stars 4. The stars at night Answer: 1 Step 4 Careful reading Para 1:Ask students to read and answer the questions. (1) How many years do the scientists think there has been life on the earth? (2) Have we discovered life on other planets? Answers: (1) For hundreds of millions of years. No, we haven’t. Para 2: Ask students to read and match the words with pictures. Then put the words in the box in order: small—large. Paras 3-4：Ask students to read and complete the table. What?scientists?have?done What?we?don’t?know/can’t?do （1） in?the?universe It?is?impossible?to?imagine （5） ?（2）??Mars?to （3） No?spaceship?has?traveled??（6）?other?stars. ?send?spaceships?to?（4） Answers： discover many other galaxies （2）send spaceships to (3)take photos （4）travel outside the solar system （5）how large the universe is （6）far enough to Para 5: Ask students to read and find out sentences with present perfect tense(现在完成时态). 1.Scientists have always asked the questions… 2. Have there been visitors to the earth from other planets? 3. Why has no one communicated with us? Step 5 After reading 1 Ask students to listen and read. Check (√) the true sentences. 1.The earth is a star. 2. The sun is a star. 3. There is more than one galaxy in the universe. 4. The light from the stars in other galaxies has travelled for a long time to reach us. 5. Scientists have received many messages from space. 6. Spaceships have visited most of the universe. Answers：1. × 2. √ 3. √ 4. √ 5. × 6.× Listen and read 2 As ... ...
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