2018春外研版八年级英语下册教学课件：Module 3 Unit 3(共35张PPT)

Unit 3 Language in use 【学习目标】 能运用含already, just和yet的现在完成时表达已完成与未完的太空研究； Life on the Mars where what why Scientists have just received a message from one of our spaceships. 1. What have the scientists just received? (a message from one of our spaceships) 2. Where has the spaceship landed? (Mars) 3. What has the spaceship discovered? (people on Mars) 4. Why haven’t the people on Mars sent us a message? (do not know how to) 5. Why haven’t the people on Mars visited us on the earth? (do not know how to) We’ve just had some news about the mission(任务) to explore Mars. Scientists have just heard that the spaceship has landed on … We’ve just had some news about the mission(任务) to explore (探索) Mars. Scientists have just heard that the spaceship has landed on Mars and has discovered people there, But they look quite different from us on earth. These people on Mars haven’t sent us a message because they can’t hear us. They prefer life on Mars so they haven’t visite