Module 3 Unit 2 We have not found life on any other planets yet.-2020-2021学年八年级英语下册【课时A计划】外研版（安徽）精品课件PPT

Module 3 Journey to space U2 We haven’t found life on any other planets yet. Mars Martian Seven other planets also go around the sun. The sun and its planets are called ________________ (太阳系). the solar system _____of them has an ___________(环境) like that of the earth. None environment /i/ /ai//ə/ /ə/ There are hundreds of millions of (数以亿万计的)stars in the_________ (星系), and our sun is only one of them. a large group of Galaxy Scientists have also discovered many other galaxies in the __________ (宇宙). universe However, no one has communicated with us yet. Look at the picture and talk about what you know about Chinese spaceships. When did we send it? Where did we send it? How long did it stay in space? Who are the astronauts? In 2012. Jiuquan, Gansu Province. Thirteen days. Jing Haipeng, Liu Yang, Liu Wang Shenzhou-9 is a manned spaceship. Read the passage quickly 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 √ Task 1: Fast reading. Task 2: Careful reading. 1. Read Para1&2, and chooses the best answers. (1) How long has life been on the earth? ( ) a. Hundreds of years. b. Millions of years. c. Hundreds of millions of years. (2) How many planets does the sun have? ( ) a. Seven b. Eight c. Nine c b 2. Read Para 2 &3 and finish the chart. the galaxy the solar system the sun the universe ＜ ＜ ＜ Answer the questions: a. Does the light from other galaxies reach us quickly? b. How large is the universe? No, it has to travel for many years to reach us. It’s impossible to imagine. 3. Read Para 4 &5 and check. (1) Scientist haven’t sent spaceships to travel outside the solar system . ( ) (2) To the universe, scientists have many questions without answers. ( ) have √ × Task 3: Read the whole passage and match: what’s each paragraph about? Para1: P