2018九年級英語下冊Unit4LifeonMars練習(xí)牛津版

1、學(xué)必求其心得，業(yè)必貴于專精life on mars(一）mars /maz/ n。 火星helmet /helmt/ n. 頭盔air tank /tk/ n. 氧氣罐dried food n. 干糧power pack /pk/ n。 電源包sleeping bag n. 睡袋gravity /grvti/ n。 重力題一：life in spacedaniel is dreaming about visiting another planet。 what should he take with him? write the name of the item under each pictu

2、re.air tank computer dried food power pack sleeping bag space helmet special boots tent _ _ _ _ _ _ _ _daniel is talking to amy about living on mars。 what would it be like？ daniel: what would it be like to live on mars?amy: theres less gravity on mars。 wed probably need to wear special boots. daniel

3、: yes. and we might need sleeping bags too。amy: i agree。 also, theres no fruit or vegetables， so we would have to eat dried food.daniel： well 。. that sounds quite boring！ but there would be no pollution on mars.amy: i hope so。 題二：translate the phrases.1. 去太空旅行 _ 2. 你認(rèn)為怎么樣？ _ 3。 干糧 _ 4。 夠到我的食物 _ 5。 少

4、一些重力 _ 6. 睡袋 _ 7. 我也不 _ unit 4 life on mars（二)planet /plnt/ n. 行星crowded /kradd/ adj. 擁擠的 polluted /plutd / adj。 被污染的 increase /kris /n. 增加rapid /rpd/ adj。 快的，迅速的(all) over again 再；重新passenger /psnd(r）/ n. 乘客at a/the speed of 以的速度uncomfortable /nkmftbl/ adj。 使人不舒服的；不舒適的oxygen /ksdn/ n。 氧氣in the form

5、 of 以的形式tasty /testi/ adj. 味道好的specially /speli/ adv。 專門地，特地float /flt/ vi. 飄浮;漂浮compare/kmpe（r)/ vt。vi. 比較compare to/with 與相比interplanetary/，ntplntri/ adj。 行星間的network /netwk/n。 網(wǎng)絡(luò)challenging /tlnd/ adj. 挑戰(zhàn)性的rapidly /rpdli/ adv。 快地，迅速地life on another planetdaniel wants to find out more about life i

6、n space in the future。 he has found the following article by a famous scientist who thinks humans could live on mars by the next century. moving to marssome people believe that humans could live on the planet mars by the year 2100. our own planet， the earth, is becoming more and more crowded and pol

7、luted because of the rapid increase in population。 it is hoped that people could start all over again and build a better world on mars。 here is what life there could be like。 at present, our spacecraft are too slow to carry large numbers of passengers to mars it would take months. with the developme

8、nt of technology, by the year 2100， the journey might only take about 20 minutes in spacecraft that travel at the speed of light! however， the spacecraft would travel so fast that the journey to mars might be quite uncomfortable. many people would feel ill.humans cannot survive without water， oxygen

9、 or food. so far， nobody knows whether there would be enough water or oxygen on mars for people there。 moreover， scientists are not sure whether plants could grow on mars. food would most probably be in the form of pills and would not be so tasty. gravity could be another problem. the gravity on mar

10、s is only about three-eighths of that on the earth。 people would have to wear boots that are specially designed to prevent themselves from floating off into space.compared with life on the earth, life on mars would be better in some ways。 people would have more space。 they might live in houses with

11、huge comfortable rooms。 also， robots would do most of their work so that they could have more time to relax. there would probably be no schools on mars. every student would have a computer at home connected to an interplanetary network. they would study at online schools with “eteachers”。 life on ma

12、rs would be interesting as well as challenging。life in the future題一：daniel needs to check the meanings of some words in the article. help him match the words on the left with the meanings on the right。 write the correct letters in the blanks.1。 crowded _ 2。 rapid _ 3。 population _ 4. all over again

13、_ 5。 passenger _ 6. tasty _7. specially _ 8. compare _a。 for one purposeb. a second time from the beginningc。 decide in what way things are similar or differentd. having a nice tastee。 full of peoplef。 happening in a short period of time g. a person who rides in a car, bus， train， etc. but does not

14、drive ith. the total number of people in an area, a country， etc.題二：daniel is telling simon about the article. simon is very interested and is asking many questions。 help daniel answer simons questions. circle the correct letters。1。 why would people move to mars?a. the earth is crowded and polluted.

15、b. people want to make friends with those from another planet。c. flying to mars would be fun。2。 how long does it take to fly to mars at present？a. hours. b。 months。 c。 years。3。 what would the flight to mars be like by the year 2100？a. fast and comfortable。b。 fast but uncomfortable。c。 slow but comfor

16、table。4。 what would food on mars be like？a. very tasty。 b. very sweet。 c。 not very tasty.5. would gravity be a problem on mars?a。 no， its not a problem.b。 yes. many people would get lost。c. yes, and people would wear special boots。6. where might people live on mars?a。 in houses with huge rooms. b. o

17、n spacecraft。 c。 in sleeping bags.7. what would schools be like on mars?a. very small。 b。 online schools. c. like those on the earth.8。 what does the writer think of life on mars?a。 better than life on the earth.b。 worse than life on the earth。c. there would be good and bad points。 unit 4 life on ma

18、rs（三）aware /we（r)/ adj. 知道，意識到 circle /skl/ vi。&vt。 圍繞;將圈起來agreement /grimnt/ n. 一致，同意 distance /dstns/ n。 距離；遠(yuǎn)處possibility / psblti/ n。 可能性 alien /elin/ n。 外星人 stranger /strend（r）/ n。 外來者，陌生人 risk /rsk/ n. 風(fēng)險(xiǎn)，危險(xiǎn) after all 畢竟 carry out 開展;執(zhí)行 percentage /psentd/ n. 百分率；百分?jǐn)?shù)disadvantage / dsdvantd/ n。

19、劣勢,缺點(diǎn),不利條件 goods /gdz/n. /復(fù)/商品，貨品electronic / lektrnk/adj。 電子的 entertainment/ enttenmnt/ n。 娛樂about the planet marsmillie knows little about the planet mars。 she is asking daniel for more information. rewrite millies sentences using the words in brackets.millie: (1) are you aware how far mars is awa

20、y from the sun?daniel: yes。 mars is about 142，000，000 miles away from the sun. it takes mars about two earth years to circle around the sun once.millie: （2） are scientists in agreement that living on mars would be possible for humans in the future?daniel：no. but theyre working hard to learn more abo

21、ut mars。millie： （3) do they think that the low gravity on mars might be a problem？daniel: yes， they do.millie: （4） are you aware what transport could be like on mars？daniel： it could be much better than that on the earth。 however， scientists arent sure whether people could grow plants on mars.millie

22、: (5) i wonder how many people would like to move to mars.（6） i think people should know that life on mars would be different from that on the earth。題一：1. are you aware_(distance)？2。 do scientists agree_(possibility)?3。 have they thought_（problem）?4。 are you aware_（transport)?5. i wonder_（number）.6.

23、 i think people should know （differences).題二:simon is interested in stories about aliens. he even writes to aliens。 replace each of the underlined parts in his letter with another expression。dear aliens,humans are thinking about moving to another planet（1)because the pollution on the earth is very s

24、erious。 many people are in no doubt（2） that life on mars would be very interesting, but i am not sure。 we could not play football on mars（3） because of the low gravity。 life would be boring for me（4） if i could not play football. maybe this problem could be solved by building indoor playgrounds(5）wh

25、ich have the same football fields as those on the earth. by the way， would strangers be welcome? i hope to hear from you soon。simonspeak up: earth or mars?daniel and sandy are talking about living on mars. daniel: would you like to live on mars， sandy?sandy: im not sure if its worth the risk。 it wor

26、ries me。daniel: why? it would be quite safe. after all， humans have already been to the moon.sandy: maybe youre right, but we might get ill from living there.daniel: i dont think so, sandy。 its just a different kind of life. it would be great to live on another planet.sandy： what about all your friends here on the earth if you go to mars？daniel: i want you all to come too.sandy： ok。 if we al