2020春九年级英语下册 Unit 4 Life on Mars知识清单素材 （新版）牛津版

Unit 4 Life on Mars单元知识清单Unit 4重点单词.根据汉语意思,写出相应的英文单词1.头盔helmet2.重力gravity3.行星planet4.拥挤的crowded5.被污染的polluted6.快的,迅速的rapid7.增加increase8.乘客passenger9.使人不舒服的;不舒适的uncomfortable10.氧气oxygen11.味道好的tasty12.专门地,特地specially13.飘浮;漂浮float14.比较compare15.网络network16.挑战性的challenging17.快地,迅速地rapidly18.知道,意识到aware19.围绕;将圈起来circle20.n.一致,同意agreement21.距离;远处distance22.可能性possibility23.外星人alien24.外来者,陌生人stranger25.百分率;百分数percentage26.劣势,缺点,不利条件disadvantage27.风险,危险risk28.复商品,货品goods29.电子的electronic30.娱乐entertainment.根据要求写出下列单词的变化形式1.drydried(adj.)2.sleepsleepy/sleeping/asleep(adj.)3.crowdcrowded(adj.)4.pollutepolluted(adj.)pollution(n.)5.specialspecially(adv.)6.challengechallenging(adj.)7.agreeagreement(n.)disagree(反义词)8.possiblepossibly(adv.)possibility(n.)9.entertainentertainment(n.)重点短语根据汉语意思,写出相应的英文短语1.干粮dried food2.睡袋sleeping bag3.再;重新(all) over again4.以速度行驶at the speed of5.以的形式in the form of6.随着的发展with the development of7.到2100年为止by the year 21008.与相比compared to/with9.A和B之间的距离the distance between A and B10.大量的乘客a large number of/large numbers of passengers11.对某人有极大的帮助be of great help/be very helpful to sb12.专门设计来做某事be specially designed to do sth13.把A连接到Bconnect A to B14.与相似be similar to15.开展;执行carry out16.的优势advantages of.17.以开始start/begin with18.意见一致in agreement19.的可能性the possibility of20.毕竟after all21.公共交通系统public transport system22.记英语日记keep an English diary23.考虑做某事think about/consider doing sth24.想要做某事feel like doing sth25.知道be aware of26.你觉得怎么样?How do you like.?/What do you think of.?27.对某人/物有害do harm to sb/sth=be harmful to sb/sth=harm sb/sth28.值得冒险be worth the risk/taking the risk29.离地球很远far (away) from the Earth重点句型根据汉语意思完成句子,每空一词1.人们有望能够在火星上重新开始,建设一个更好的世界。It is hoped that people couldstart all over againand build a better world on Mars.2.此处描述的是那里的生活可能是什么样子。Here iswhat life therecould belike.3.目前,我们的宇宙飞船太慢了,无法运送大批的乘客去火星因为要花几个月的时间。At present,our spacecraft aretoo slow to carrylarge numbers of passengers to Marsit would take months.4.随着技术的发展,到2100年,乘坐以光速飞行的宇宙飞船,行程或许只要大约20分钟!With the developmentof technology,by the year 2100,the journey might onlytakeabout 20 minutes in spacecraft that travelat the speedof light!5.食物很大可能会以药片的形式存在,而且味道没那么可口。Food would most probably bein the formof pills and would not beso tasty.6.火星上的重力大约只有地球上的八分之三。Thegravityon Mars is only aboutthree-eighthsof that on the Earth.7.与地球上的生活相比,火星上的生活在有些方面要更好些。Compared with lifeon the Earth,life on Mars would be betterin some ways.8.每个学生家里都有一台电脑与星际网络连接。Every student would havea com