Module 3 Unit 2 We have not found life on any other planets yet.课件 2023-2024学年外研版英语八年级下册

Module 3 Journey to space Unit 2 We have not found life on any other planets yet. CONTENTS Pre - reading A While - reading Post - reading C B Learning goals 1. To learn more about space and how people work hard to know more about space. 2. To learn and try to recite the front part of the passage. 3. To learn the present perfect. 3 Pre-reading A 4 Enjoy a song of Eight planets: Do you know them? Let’s learn new words: earth moon spaceship astronaut Let’s learn new words: solar system galaxy galaxies universe space travel Task 1 Work in pairs. Look at the picture and talk about what you know about Chinese spaceships. Shenzhou-9 is a manned spaceship. While - listening B 10 Task 2 Read the passage and choose the best title for it. Read and match the titles with the paragraphs: Watch the text video and read Read aloud the passage Read the first three paragraphs and answer questions. 1. What is the earth like? The earth is a planet and it goes around the sun. 2. What is solar system? The sun and its planets are called the solar system. 3. What have scientists discovered in the universe? Scientists have discovered many other galaxies in the universe. Language points 1. Scientists think that there has been life on the earth for hundreds of millions of years. 科学家认为地球上的生命已经有亿万年了。 millions of 数百万, hundreds of 数百, thousands of 成千上万, billions of 数十亿 e.g. There are billions of stars in the Galaxy, and our sun is only one of them. 银河系中有数十亿颗恒星，我们的太阳只是其中的一个。 2. However, we have not found life on any other planets yet. 然而，我们还没有在 任何其他行星上发现生命。 yet用于否定句和疑问句，意思是“还；尚”。not...yet的意思是“还没；尚未”， 表示某事物在某一时间尚未发生，但未来也许会发生。例如: Language points I haven’t learnt any further information yet. 我还没有得到进一步的信息。 Have you received her letter yet? 你收到她的来信了吗? 3. None of them has an environment like that of the earth, so scientists do not think they will find life on them. 它们中没有一个有像地球这样的环境，因此科学家 认为在它们上面找不到生命。 none