【正文】
Seat, pills, dried food, air tank, seat, boots, protect, journey, enjoyable, microphone, watch Wele to our Mars Shuttle 3! We hope you will have a pleasant ___________ to Mars. The travel will take 3 days and we will land on Mars at around . (MT) next Monday. Now, please look down, you will find a few useful things under your_________. You can use them during the trip and make it safe and___________. Now please get familiar with them. First, you’ll see your___________. It will supply oxygen. Please carry it on your back. And there is a tube(管子 ) ing out o