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1、Unit 1 Life on Mars一. 重点单词1.pill n药片( small round medicines) in the form of pills medicine n 药 take the/some medicine 服药 make medicine 制药2.guitar n. play the guitar/ violin/piano play football/basketball/volleyball play Chinese chess/ play cards3.sunglass n. wear a pair of sunglasses glass n杯子，可数名词
2、two glasses of water 玻璃。不可数名词 a piece of glass4.polluted adj. a polluted river pollute v. Dont pollute the river pollution n. 不可数名词water /air /noise pollution5.develop v. grow and improve How has it developed?developing adj. 发展中的 China is a developing countrydeveloped adj. 发达的 America is a developed
3、 country.development n There have been several new developments in electronics.6.population n. Whats the population of China?=How many people are there in China ?7.discussion n. The programme started with a discussion about the problem. discuss vt. shall we discuss the matter latter?8.dry v.烘干 Pleas
4、e dry these clothes.adj.干燥的 In summer it is very dry. dried adj,干的，干缩的 Dried food can be stored for many months.9.imagine v.（1）后接名词或代词 You cant imagine their words. （2）后跟动名词 Try to be imagine being on the moon. （3）后跟从句 Dont imagine that you are the only person in trouble.10.taste （1）link.v These dum
5、pings taste good （2）n. Do you have a taste of this green tea?11.human/people/person human主要指“人类，人”；people意为“人们”，着重指全体，是单数形式，但表达复数概念，等于men and women; person也可以作“人，人们”着重指个人方面，可以说two persons human-(pl)-humans12.certain adj. be certain of sth,/doing sth. sure adj. certain 与sure的含义和用法大致相同，但certain侧重于表示有确
6、定依据或事实，语气比sure 强，多作表语，主语可以是物也可以是人；sure多指主观上相信某人或确定某事，主语一般是人. It is certain that nobody likes waiting. Are you sure you borrowed the book from the library?pare vt. compare A with B; compare A and B eg. We carefully compare the first report with the second. It is interesting to compare their height an
7、d our weight/14.crowded adj.可以作定语也可以作表语，意为“挤满的，拥挤的”常用结构是 be crowded with sth. This is the most crowded street in Shanghai. The bus is crowded with people who go to work.15. a number of , the number of 的区别a number of = numbers of + 可数名词的复数+ 动词形式为复数A number of visitors come to Suzhou every day.the num
8、ber of + 名词的复数+ 动词的三单 意思是“的总和数量The number of the students in our class is 65.16. at half the speed of light 以光速的一半（行驶）， at ( 以速度,价格等)Eg：The car is running at 80 kilometres an hour. I bought it at a low price.17. three-eighths 八分之三，在分数词的表述中，记住口诀“分子基数词分母序数词，分子大于1，分母加s”。如： 1/3 one third 5/6 five sixths
9、Eg: Two thirds of the students in our class are boys.18. every 和each的共同点和不同点（1）every 和each后加单数名词，动词用第三人称单数形式。Eg: Each of the boys in class 2 has bought the book.Eg: Every student is listening to the teacher carefully.（2）each是一定数目中的每一个，强调“个别”“各有不同”，each是代词，可以和of 连用。every 只数目不确定中许多人或物中间的“每一个”，强调“总和”更强
10、调“大家一致”。every 后不可以跟of二. 重点短语1.be cared for by 2. be able to travel in space3.wear space helmets to go outside 4.in the form of pills5.make people feel very ill 6.live on other planets7.move to Mars 8.at the moment9.become more and more crowded 10.build a better world11.too slow to carry large number
11、s of people 12.travel at half the speed of light13.need food, water and air to survive 14.three-eighths of the gravity on Earths15.float away into space 16.prevent/keep/stop sb from doing17.wear special boots to make themselves heavier pared with life on Mars19have more space 20.live in a dome with
12、ten bedrooms21.do most of our work 22.take exams at online schools23.have their own online teacher 24.in some ways25.under the control of the computer 26the first to live on.Mars27.make friends with people who live there 28.take high-quality images29provide energy for the spacesuit 30travel from Mar
13、s to Earth31send a space robot onto Mars 32.imagine doing sth.33.so far away from Earth 34.miss the first part35.start with a discussion 36.be different from the situation37.worry about living there 38.be afraid of seeing aliens39.keep these animals away with laser light 40.do harm to them41.be stor
14、ed at the Planet Mars Bank 42.go somewhere quiet43buy a car which floats in the air 44.have a rest45.help me make Sandy calm down 46.too nervous to relax47.sit by the window 48check your homework49.work hard to make this dream come true 50.on the surface of三. 重点句型1.How do you like life on Mars?= What do you think of life on Mars?2.I thought you liked Mars. 我原以为你喜欢火星。3.Daniel is thinking about what life will be like in the future.4.It may be difficult to imagine.5.Our planet, Earth, is becoming more and more crowded and po
