Unit 3 Life in the future1.impression n.印象；感想；印记make/leave/give an impression on 给……留下印象impress vt. vi.给……以深刻的印象impress sth on/upon sb=impress sb with sth=impress on sb sth使某人对某物/某事有印象；使某人铭记某物/某事；某物/某事给某人留下印象be impressed by/with为……所感动；对……有印象impressive adj.给人深刻印象的，感人的(1)What was your first impression of London?(2)His friends made a good impression on his parents.(3)The boy has impressed his teachers with his courage and determination.(4)His words are strongly impressed on my memory.(5)First impressions are the most lasting.After all, you never get a second chance to make a first impression.(6)He impressed her with his sincerity.(7)We were driving there and it was quite impressive.(8)My father impressed on me the value of hard work.(9)His trip to India made a strong impression on him.(10)I t’s an impressive ceremony.(11)T his movie is so impressive that we can’t help crying.(12)S he made a good impression on his mother.2.take up 开始做（某项工作）；拿起；接受；继续；占用（时间、空间等）take…apart把…拆开take in理解；欺骗；接纳take off脱掉；起飞；突然受欢迎take on 呈现；雇用；承担责任take over 接管；接任（职位）take back收回（说错的话）take down 取下；记下；拆卸(1)Let’s take the clock apart and see what’s wrong with it.(2)He persuaded Joe to take him in.(3)Sales of home computers have taken off in recent years.(4)Are consumers ready to take on even more debt?(5)Yes, I will take over as President in January.(6)If you don’t take back what you said about me, I’m going to knock your head off.(7)Peter will take over as managing director when Bill retires.(8)In order to get the job,I’ve to take up his suggestion.(9)The insect can take on the color of its surroundings.(10)T hat big clock will have to go;it takes up too much space in the small hall.(11)H e would neither apologize nor take back what he had said.(12)W e have to take the whole engine apart to discover the cause of the trouble.(13)P eter liked to see aeroplanes take off from the airport.(14)I have taken up teaching since I graduated from university.3.constantly adv.不断地；重复不断地它经常和进行时连用，表示说话者的一种情感。

类似的还有always,frequently等constant adj.时常发生的；连续不断的；不变的，恒定的(1)Fashion is constantly changing.(2)There was a constant stream of visitors to Mount Tai.(3)He talked constantly about his work.(4)The English language is constantly changing.(5)I’m constantly telling her to behave herself.(6)As we know, in our world nothing seems constant.4. 形容词作状语表原因位于句首；表伴随可以位于句首也可以位于句末；表结果一般位于句末；表让步位于句首和句中；表时间位于句首(1)Worried about the journey,I was unsettled for the first few days.(2)Easy to be with,he is warmly welcomed.(3)Overjoyed,they rushed into the classroom.(4)He returned home,safe and sound.(5)Right or wrong,I’ll stand on your side.(6)Ripe,these apples are sweet.(7)The thief hid himself in the corner,afraid of being caught.(8)After a long journey,Richard returned home,exhausted.(9)Dressed in a white uniform, he looks more like a cook than a doctor.(10)She returned to work,unhappy.(11)Helpless, we watched the house being destroyed before our eyes.(12)Much interested, he agreed to have a try.5. previous adj.在前的；早先的previous to=before在…之前senior to比…….高的；junior to比…低的；superior to…比…更好的，比…更高的；inferior to比….差的；similar to与…相似的previously adv.先前地；早先(1)I couldn’t believe it when I heard the news.I had only seen him the previous day.(2)Previous to the conference we had discussed the matter among ourselves.(3)Enough materials should be collected previous to writing.(4)He is five years senior to me.(5)He is several years junior to Mr.Cooper.(6)Their performance was inferior to that of other teams.(7)The meeting will proceed as previously planned.(8)He is two years junior to me.(9)Have you had previous job experience?(10)His father died two hours previous to his arrival.(11)His later work was quite inferior to his early work.6. surrounding n.周围的事物；环境（常用复数）surrounding adj.附近的；周围的surround vt.环绕；围住be surrounded by/with…由…围着/包围surround A with/by B 用B包围成A(1)Animals in zoos are not in their natural surroundings.(2)Gradually the surrounding farmland turned residential.(3)The house is surrounded by high walls.(4)He likes to surround himself with amusing people.(5)It took her a while to get used to her new surroundings.(6)Singapore is a diamond-shaped island with surrounding smaller islands.(7)They have surrounded the town with troops.(8)She has always been surrounded with fashionable friends.7. tolerate vt.容忍；忍受tolerate doing sth容忍做某事tolerable adj.可容忍的；过得去的tolerance n.容忍；忍受tolerant adj.容忍的；宽容的be tolerant of/towards sb./sth 对某人某事宽容put up with 容忍；忍受can’t bear/stand doing sth无法忍受做某事(1)The teacher can’t tolerate eating in class.(2)Her own mistakes made her very tolerant of/towards the faults of others.(3)I cannot tolerate her rudeness.(4)He fell asleep just past midnight with tolerable ease.(5)I’m not going to put up with his smoking any longer.(6)Human beings have limited tolerance of noise.(7)The school cannot tolerate cheating on exams.(8)At this time, we will be tolerant of them, and give them the opportunity to correct mistakes.(9)The doctors manage to keep the pain at a tolerable level.8. lack n.缺乏；短缺的东西vt.缺乏，没有lacking adj.缺少的，不足的。