1、 Unit 4 Life on Mars 单元知识清单 Unit 4 ♦重点单词 Ⅰ.根据汉语意思,写出相应的英文单词 1.头盔 helmet 2.重力 gravity 3.行星 planet 4.拥挤的 crowded 5.被污染的 polluted 6.快的,迅速的 rapid 7.增加 increase 8.乘客 passenger 9.使人不舒服的;不舒适的 uncomfortable 10.氧气 oxygen 11.味道好的 tasty 12.专门地,特地 specially 13.飘浮;漂浮 flo
2、at 14.比较 compare 15.网络 network 16.挑战性的 challenging 17.快地,迅速地 rapidly 18.知道,意识到 aware 19.围绕;将……圈起来 circle 20.n.一致,同意 agreement 21.距离;远处 distance 22.可能性 possibility 23.外星人 alien 24.外来者,陌生人 stranger 25.百分率;百分数 percentage 26.劣势,缺点,不利条件 disadvantage 27.风险,危险 risk
3、 28.[复]商品,货品 goods 29.电子的 electronic 30.娱乐 entertainment Ⅱ.根据要求写出下列单词的变化形式 1.dry dried (adj.) 2.sleep sleepy/sleeping/asleep (adj.) 3.crowd crowded (adj.) 4.pollute polluted (adj.) pollution (n.) 5.special specially (adv.) 6.challenge challenging (adj.) 7.agree agreement
4、n.) disagree (反义词) 8.possible possibly (adv.) possibility (n.) 9.entertain entertainment (n.) ♦重点短语 根据汉语意思,写出相应的英文短语 1.干粮 dried food 2.睡袋 sleeping bag 3.再;重新 (all) over again 4.以……速度行驶 at the speed of 5.以……的形式 in the form of 6.随着……的发展 with the development of 7.到2100年
5、为止 by the year 2100 8.与……相比 compared to/with 9.A和B之间的距离 the distance between A and B 10.大量的乘客 a large number of/large numbers of passengers 11.对某人有极大的帮助 be of great help/be very helpful to sb 12.专门设计来做某事 be specially designed to do sth 13.把A连接到B connect A to B 14.与……相似 be simila
6、r to 15.开展;执行 carry out 16.……的优势 advantages of... 17.以……开始 start/begin with 18.意见一致 in agreement 19.……的可能性 the possibility of 20.毕竟 after all 21.公共交通系统 public transport system 22.记英语日记 keep an English diary 23.考虑做某事 think about/consider doing sth 24.想要做某事 feel like doin
7、g sth 25.知道 be aware of 26.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/sth 28.值得冒险 be worth the risk/taking the risk 29.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 ho
8、ped that people could start all over again and 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 is what life there could be like . 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 are too slow to carry large numbers of passengers to Mars—it would
9、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 development of technology,by the year 2100,the journey might only take about 20 minutes in spacecraft that travel at the speed of 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 be in the form of pills
10、and would not be so tasty . 6.火星上的重力大约只有地球上的八分之三。 The gravity on Mars is only about three-eighths of 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 life on the Earth,life on Mars would be better in 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 have a computer at home connected with an interplanetary network. 9.火星上的生活,不仅有趣,而且还很有挑战性。 Life on Mars would be interesting as well as challenging.






