Unit 4 U4

Unit 4 Life on Mars

【重点单词】
1.Mars [mɑːz] n. 火星
2.helmet ['helmɪt] n. 头盔
3.gravity ['ɡrævɪti] n. 重力
4.planet ['plænɪt] n. 行星
5.crowded ['kraʊdɪd] adj. 拥挤的
6.polluted [pə'luːtɪd] adj. 被污染的
7.rapid ['ræpɪd] adj. 快的,迅速的
8.increase [ɪn'kriːs] n. 增加
9.passenger ['pæsɪndʒə] n. 乘客
10.uncomfortable [ʌn'kʌmftəb(ə)l] adj. 使不舒服的;不舒适的
11.oxygen ['ɒksɪdʒ(ə)n] n. 氧气
12.tasty ['teɪsti] adj. 味道好的
13.specially ['speʃəli] adv. 专门地,特地
14.float [fləʊt] vi. 飘浮;漂浮
15.compare [kəm'peə] vt. 比较
16.interplanetary [ɪntə'plænɪt(ə)rɪ] adj. 行星间的
17.network ['netwɜːk] n. 网络
18.challenging ['tʃælɪndʒɪŋ] adj. 挑战性的
19.rapidly ['ræpɪdlɪ] adv. 快地,迅速地
20.aware [ə'weə] adj. 知道,意识到
21.circle ['sɜːkl] vt. 围绕;将……圈起来
22.agreement [ə'ɡriːmənt] n. 一致,同意
23.distance ['dɪstəns] n. 距离;远处
24.possibility [pɒsɪ'bɪlɪti] n. 可能性
25.alien ['eɪljən] n. 外星人
26.stranger ['streɪndʒə] n. 外来者,陌生人
27.percentage [pə'sentədʒ] n. 百分率;百分数
28.disadvantage [dɪsəd'vɑːntɪdʒ] n. 劣势,缺点,不利条件
29.risk [rɪsk] n. 风险,危险
30.goods [ɡʊdz] n. [复]商品,货品
31.electronic [ɪlek'trɒnɪk] adj. 电子的
32.entertainment [entə'teɪnmənt] n. 娱乐

【重点短语】
1.air tank 氧气罐
2.dried food 干粮
3.power pack 电源包
4.sleeping bag 睡袋
5.by the year 2100 到2100年
6.increase rapidly 迅速增长
7.It is hoped that … 人们希望……
8.large numbers of 大量的
9.with the development of technology 随着技术的发展
10.travel at the speed of light 以光速飞行
11.feel ill/sick 感觉不舒服
12.in the form of … 以……形式
13.compare … with … 把……与……比较
14.live in houses with huge comfortable rooms 居住在大而舒适的房间里
15.be connected to 与……相连
16.study at online schools with “e-teachers” 在网校跟“电子老师”学习
17.be aware of 意识到
18.circle around 环绕
19.be in agreement 达成一致意见
20.think about moving to another planet 考虑搬到另一个星球上去
21.There is no doubt that … 毫无疑问……
22.build indoor playgrounds 建室内操场
23.carry out a survey 进行一个调查
24.miss the first part of the programme 错过了节目的开始部分
25.be worth the risk 值得冒险
26.after all 毕竟
27.a guide to doing sth. 做某事的指南
28.a very popular form of entertainment 一种很受欢迎的娱乐方式
29.feel like doing sth. 想要做某事
30.the public transport system 公共交通系统
31.produce no air pollution 不产生空气污染

【重点句型】
1.—I’ve never thought about traveling into space.
我从来没有想过到太空旅行。
—Me neither.
我也没有。
2.How do you like life on Mars?
你认为火星的生活怎么样?
3.I can’t get to my food.
我够不到我的食物。
4.What would it be like to live on Mars?
在火星上生活会是什么样子?
5.Our own planet, the Earth, is becoming more and more crowded and polluted because of the
rapid increase in population.
我们自己的星球——地球,因为人口的迅速增长正变得越来越拥挤,污染越来越严重。
6.It is hoped that people could start all over again and build a better world on Mars.
人们有望能够在火星上重新开始,建设一个更好的世界。
7.Here is what life there could be like.
这里描述的是火星上的生活可能是什么样子。
8.At present, our spacecraft are too slow to carry large numbers of passengers to Mars—it would
take months.
目前,我们的宇宙飞船太慢了,无法运送大批的乘客去火星——这需要几个月的时间。
9.Humans cannot survive without water, oxygen or food.
没有水、氧气或食物,人类就不能生存。
10.Food would most probably be in the form of pills and would not be so tasty.
食物很大可能会以药片的形式存在,而且味道没那么可口。
11.The gravity on Mars is only about three-eighths of that on the Earth.
火星上的重力大约只有地球上的八分之三。
12.Compared with life on the Earth, life on Mars would be better in some ways.
与地球上的生活相比,火星上的生活在有些方面要好些。
13.Every student would have a computer at home connected to an interplanetary network.
每个学生家里都有一台与星际网络连接的电脑。
14.Life on Mars would be interesting as well as challenging.
火星上的生活,不仅有挑战性,还很有趣。
15.People might float in space because of the low gravity.
因为重力低,人们有可能会飘浮在太空。
16.Life on Mars would be different from that on the Earth.
火星上的生活将与地球上的生活不一样。
17.I’m not sure if it’s worth the risk.
我不确信是否值得冒险。
18.Here is a guide to living on Mars in the future.
下面是未来在火星上居住的指南。
19.They (online games) make us feel like we are really inside the games!
它们(在线游戏)使我们感觉自己身临其境一样!
单元过关检测