Unit 6 Survival Developing ideas Plan B: life on Mars课件 2021-2022学年外研版高中英语选择性必修第二册

Plan B: Life on Mars? 1. Mars is the ____ smallest planet in the solar system. a. second b. third c. fourth 2. The surface of Mars is covered in ________. a. rocks b. water c. grass 3. The average recorded temperature on Mars is ____. a. 40o C b. 2o C c. -63o C 4. One day on Mars is about _________ long. a. 18hours b. 24hours c. 37hours 2 The title Plan B: Life on Mars means _________ to Mars one day will be human beings’ ________ choice for survival. 2. Choose the magazine in which you would most likely find the passage and give your reasons. a. The Traveller b. All About Space c. Environmental Concerns d. Biology for Fun 3. The passage aims to raise public awareness of ____________ __________ by pointing out the _________ possibility of our moving to Mars in the future. environmental protection moving second tiny 3 Plan B: L