雅思词汇7-8.doc

Lesson 7. Science &Technology become widely available= a large number of people can use it=can be easily obtained or usedl be shrouded in secrecy=not able to be known break new ground=do new research=to do something completely different from what has been done before、(i) scientific breakthroughs=a different discovery or achievement(ii) the advent of sth.=the introduction of new technology, a new product or a new system(iii) supersede / supplant sth.=replace something, often as a result of being more powerful. welcome sth. With open arms=be very pleased with sth. new(i) popularize sth.= make sth. popular or present sth. to the general public(ii) dependency on sth.=a situation in which you need something in order to live or succeed genetic engineering=scientific alteration of the structure of the genes in a living organism(i) genetically-modified food =crop plants created for human consumption using the latest molecular biology technology(ii) minimize the risk of sth. =to reduce sth. harmful or unpleasant to the smallest amount or degree cloud computing=a term for any computing system that delivers hosted services over the Internet (i) telecommuting=the use of telecommunications to work outside the traditional office(ii) meteorological satellites=spacecraft that can be used to observe changes in weather patterns communications equipment=equipment for verbal communicationsl teleconferencing=group communication through an electronic medium a manned mission=space travel with people=a spaceflight carrying or performed by human beings(i) zero gravity / weightlessness=the state of having no weight, especially being outside the Earths atmosphere(ii) astronaut=someone who travels and work in space(iii) experiment with sth.=try new methods or new ideas in order to find out what result they will have satisfy human curiosity=tell us or show us what we want to hear or to see(i) a hard-won discovery=a discovery made after a great deal or effort(ii) space race =the competition for supremacy in outer space social networking websites=website that people can use to chat, play games and connect with friends and family members(i) interact with=communicate and react to one another(ii) identity theft=pretending to be someone else by assuming that persons identityl e-mail spamming=the practice of sending junk e-mails to a large number of people artificial intelligence=the use of computer technology to make computers and other machines think and do things in the way people canl a high-tech gizmo=a small piece of high-tech equipment superconductor=a substance that allows an electric current to move freely through in at a very low temperaturel supersonic=faster than the speed of sound be mechanized=be done by machine but be previously done by people or animalsl mass production=the process of producing large quantities of goods by using machines Silicon Valley=a region south of San Francisco, which is known for its huge number of IT companiesl information highway=the global information and communications network speed up the pace of sth.=make sth. faster=quicken the pace of sth.l set priorities=identify sth. important that must be done first virtual reality=an environment that is created software and is presented to users in such a way that users believe it is reall high-definition=having resolution much higher than traditional devices bring liberation from sth.=free a person from sth.(i) automation=the use of machines to do work instead of people(ii) boost crop yield=increase the amount of crops that are produced It is conceivable that=It will be possible in the future that=possible to imaginel realize the untapped potential of=use the ability that is not being used at present Some scientific evidence has emerged to the country=There are research results that run counter to thisl There is considerable evidence suggesting that=There is ample evidence thatLesson 8. Friendship & Co-operation social creature=part of society=live in groups and enjoy being with other peoplel be gregarious and outgoing / be very sociable=easy-goingl socialize with sb=spend time with other people, eg., at a pary means of communications=methods of communicationl communication with skills / interpersonal skills=the skills that someone uses to interact with other people participate fully in=take an active part in.(i) take part in=be involved in a particular activity(ii) be supportive of sb.=give sb. Support; be helpful and sympathetic a kindred spirit=a person who likes the same things as you do=a person whose interests and views are similar to your own(i) get along with=have a good relationship with(ii) is the complete opposite of sb./sth.=a person or thing that is completely different from another First impression are most lasting.= our first ideas of sb./sth. countl Honestly is the best policy.=We should always tell the truth even when it seems it would be useful to tell a lie. be on the same wavelength=completely understand the way that another person thinksl dont see eye to eye with sb.=do not have the same opinion as sb. a fair-weather friend=be a good friend when it is easy for him/her to be one and stops when you are having an problem.l stab sb. In the back=not loyal to someone who trusts you console sb. At times of sorrow=comfort sb. When hes sad=try to ma