牛津上海版高中二年级上学期Unit 6 Space exploration Transforming Mars课件

Unit 6 Transforming Mars Ever since (1)___________________, people (2)___________ interplanetary travel. For centuries, these dreams (3)_____________________. However, scientists now want to (4)______________________. They are planning to (5)____________ so that humans can live there. Within 30 years, the first people will (6)_______Mars and, by the year 2185, we (7)____________________. the beginning of history have dreamt of have always remained dreams make these dreams come true transform Mars land on will have established cities Listening (8)___________, Mars is the planet (9)________________. A Martian day lasts (10)______________(although a year has 687 days). While there is no water, there is a lot of ice in the two polar ice caps. The average temperature is (11)____. In many ways most similar to Earth about 24 1/2 hours -60℃ Listening The plan involves (12)_______Mars so that it becomes more like Earth. This means using (13)_________________(which we are trying to stop