【正文】
Unit 4 Life on MarsComic strip amp。 Wele to the unit譯 林版牛津初中英 語(yǔ) 九下Learning aims? 1. Get to know the items needed in space.? 2. Talk about life in special places.? 3. Discuss the advantages and disadvantages ? of life on Mars. TravellingBrainstorm? Our home? EarthNeighbours? Solar system Mars ? Mars is the fourth pla from? the sun. Mars can be hot, but? sometimes it can be very cold.? Although the temperature can be 35℃ , it can also be as low as 143℃ . Water is also a problem. About three billion years ago, there was