2018春外研版八年级英语下册教学课件：Module 3 Unit 2(共29张).pptx

1. To master the key words and expressions. 掌握重点单词和词组。 2. To understand and use Present Perfect better. 更好地理解并使用现在完成时。 3. To do further thinking and writing about the topic. 对有关话题进行拓展性思考和写作。 ;Module 3; Before the journey, We need to learn some knowledge about space;水星;; Our solar system is a small part of ________________________银河系.;;;Unit 2;; 1. Anyone out there? 2. Life on the earth 3. The sun and other stars 4. The stars at night ;;;;?;So how large is the universe?;Scientists have sent spaceships ______;?;;Watch the video;Well done !!!;;Where has the spaceship landed? What have you discovered? What do you think of them? Why haven’t they visited us? Why haven’t they sent us a message? …;Good job!;present perfect现在完成时;Finish your mind-map and write to your alien friends.;One day in the future, our English class will be held on Mars!;