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 float
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
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.)
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pollution (n.)
5.special specially (adv.)
6.challenge challenging (adj.)
7.agree agreement (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 similar 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 doing 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
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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 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 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 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.
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