9下 Unit 4 Life on mars 复习课件

课件23张PPT。我也没有。 够不到我的食物 氧气罐 干粮 电源包 睡袋 生活在火星上会怎么样？ 到2100年 人口的迅速增长 正变得越来越拥挤，污染越来越严重 重新开始 … 可以指望 大量的 随着技术的发展 Me neither/ either. can’t get to my food air tank dried food power pack sleeping bag What would it be like to live on Mars? by the year 2100 the rapid increase in population is becoming more and more crowded and polluted start all over again It is hoped that … large numbers of = a large number of with the development of technology以光速飞行 以… 的速度 没有水、氧气或食物 以药片的形式 飞进太空 把…与…比较 把…比作…（比喻） 与 … 相连 在网校跟电子老师学习 意识到 环绕… 毫无疑问… 进行一个调查 值得冒险 冒着做某事的风险 毕竟 住在火星上生病 想要；感觉好像travel at the speed of light at a/the speed of without water, oxygen or food in the form of pills float off into space compare … with … compare … to … be connected to study at online schools with “e-teachers” be aware of circle around … There is no doubt that … carry out a survey be worth the risk at the risk of doing sth. after all get ill from living on Mars feel like doing sth.Our planet is becoming worse because of the rapid increase in _____. Some people believe that humans could live on Mars by the year 2100. Now it would take months for people to get to Mars. With the _____ of technology, people would spend about 20 _____ getting to Mars in spacecraft that could travel at the speed of _____. However, some people might feel _____ during the journey because the speed is too fast. Humans can’t survive without water, oxygen or _____. So far, nobody knows whether plants could grow on Mars, so we would have to eat food in the form of _____. It would not as _____ as that on the Earth. population development uncomfortable minutes light food pills tasty . As we all know, it is hard for people to walk on Mars because of low_____. People would have to wear special boots to _____ themselves from floating off into space. Life on Mars would be _____ in some ways. People would have more space. They could also have more time to relax because _____ would do most of their work. Students wouldn’t have to go to school. An interplanetary network would allow them to study at _____ schools with “e-teachers”. Don’t you think life on Mars would be interesting as well as _____? challenging gravity prevent better robots online 2、Make a list of the differences between life on the Earth today and life on Mars in 2100:polluted crowded clean space slow fast uncomfortably water oxygen tasty pills tasty three-eighths rooms relax in order to real online e-teachers 3、Make a survey. Complete the table according to what you know about the advantages and disadvantages about living on Mars. interesting really safeonline schools get ill space far fun oxygen dangerousGrammar一、用介词短语把状语从句换成简单句 when 所引导的时间状语从句 1. She started to learn drawing when she was seven. She started to learn drawing_____ . 2.Neil Armstr ... ...