20xx牛津譯林版九年級下冊unit4lifeonmars2(完整版)
【正文】 ei s more study in online school . don’t have to do Read the passage carefully and plete the list. life on the Earth today life on Mars in 2100 is polluted and crowded. It would be clean and have lots of space. are slow. is enough water and oxygen. Spacecraft would travel at the speed of light. There might /would not be enough water and oxygen. Life on the Earth today life on Mars in 2100 are many kinds of tasty food. is not a problem for us. people live in small flats. have little time to relax. study at real schools. Food would most probably be in the form of pills and would not be so tasty. People would have to wear special boots. People might live in houses with huge fortable rooms. People could have more time to relax. Students would study at online schools. Fill in the blanks. The Earth is being more and more crowded and polluted _________ the _____________ in population. It is hoped that people could start ____________ on Mars. Here is what life there could be. __________ 2100, the journey to Mars might only take about 20 minutes in spacecraft that travel _____________ light! And food would most probably be ____________ pills and would not be so ______. rapid increase because of all over again By the year at the speed of in the form of tasty People would have to _______ boots that are specially designed to prevent themselves ________________ (float off )into space. At the same time, people on Mars would have more space. They might live in houses with huge fortable rooms. Also, robots would do most of their work _______ they could have more time to relax. Life on Mars would be interesting __________ challenging. from floating off so that as well as wear Advantages of living on Mars 1. It’s not _________or________. 2. The ________ is
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