U11
1. With the rapid advance of space technology in civilian（民用）, military, intelligence gathering（情报收集）, and other fields, larger telescope will be used in the surveillance （监测）of the global climatic condition.
2. The technologists, astronauts and astronomers from over twenty countries took part in a NASA-sponsored meeting, discussing the possibility of placing large optical systems in space.
３The majority regard it as necessary to develop space technology to learn more about a universe composed of galaxies(星系) , stars and solar systems. This point of view was advocated by the scientists participating in the meeting.
４ With technologies being more improved, astronomers will assemble（组装） a space telescope in space by means of remote manipulations of robots and some sophisticated instruments（精密仪器 & smart instruments）.
5. Although there are some thorny problems（棘手） at present, we should roll up our sleeves to embark on （着手，从事）exploring and developing space technologies.
U10
1. I have been convinced that I built my own success on the shoulders of someone else’s talents, which serves as a motivation（动机、动机）to urge me to work hard.
2. If one wishes to be successful, the first thing he has to do is to set a reasonable, manageable goal, which is the basic condition for success.
3. Michael Jordan, the basketball great, finally conquered his greatest obstacle （障碍）of fearing failure.
4. The world tennis star, Chris Evert once said:“I was consistent（坚持不懈） over a long period of time because I never looked back, never dwelled on （老想着）my defeats. I always looked ahead."
5. He is an ambitious young man. While he was at the university, he was determined to be No
6. I take other’s success as a kind of challenge and motivation. I keep telling myself that I should do better than others.
U9
1. If you carry with you credit cards instead of a lot of cash, you don’t have to worry about losing your money because of carelessness or theft.
2. Many feel that it will only be a matter of time before credit cards completely replace cash and checks for both individuals and business.
3. However, even with a complete credit card economy, we would still have the problem of thefts of cards, forging of cards and lost cards.
4. Credit card is not really that ideal. Something else is needed that is small, always with us, can’t be forged and easily identifies our account.
5. Thanks to（幸好，借助） a variety of scientific techniques, more and more people can use ATMs using biometrics(使用生物测定的ATM).
6. He will go to
7. The bank issues（发行） monthly statements（结算） to each customer, so the customer clearly knows how much he spent.
8. Newspaper is an important part of our life. That’s why many people scan newspapers while having breakfast
U8
1. His job consists of helping old people who live alone and young children who have no homes.
2. In modern society, public attention at the moment is much more focused on the issue of health care.
3. More and more doctors have realized the importance of direct communication with the patients.
4. Moderate exercise, fresh air, and enough sleep are essential for the preservation of good health.
5. He has been transferred （调动）from New York office（办事处） to London office. Please send his personal data to
6. These results gave weight to the role of preventive therapy （预防性疗法）for physically frail （身体虚弱的）elderly persons.
7. The reduction of the speed limit resulted in much fewer traffic accidents on the highways.
8. The experiment can’t be satisfactory because he can only use the randomly selected specimens（随机选取的样本）.
U7
1. It is said the famous Chinese general condescended（屈尊） to eat with the soldiers every Sunday.
2. I grant（同意，承认） the genius(创意) of your sales promotion(促销) plan, but you still will not find backers（支持者） in the company.
3. You don’t have to put up with（忍受） the rude behavior of your boss or colleagues because you also deserve（应受，值得） respect.
4. In the times of knowledge economy, we should never content（满足）ourselves with a little book knowledge only.
5. The doctors’ confidence reassured（使恢复信心）the patients when fighting against SARS disease.
6. You made slow progress with your English. You must figure out（想出）the effective way to solve the problem.
7. In public places, it is very impolite to remark（评论 imprudently（鲁莽的）upon the appearance of （对……评头论足）other people.
8. All men have their own quirks and twists（怪癖和奇想），so people sometimes feel it’s difficult to communicate with each other.
U6
1. Out of the 427 cloned embryos（胚胎）implanted（移植）in female sheep, only 16 survived and six of them died shortly after birth.
2. It is agreed that before scientists find a way to provide a mature（成熟的）technology, legislation（立法）against human cloning is a wise choice.
3. If human life could be created at will（根据意愿）, there would be no need for people to cherish （珍惜）life.
4. We are in favor of （赞成）research on the stem cells（干细胞）of a human embryo for the purpose of medical treatment and disease prevention（防治）.
5. A person cloned from an adult cell might have a higher risk of cancer or premature aging（未老先衰）, but we wouldn’t know that for years.
6. All new medical advances are potentially unsafe, and no progress would be made if safety alone were the issue.（如果只考虑安全性问题）
7. There is an immense（及其巨大的） potential for non-human cloning work to provide insight（了解） and benefit（改善） for the human condition.
8. It is thought that the tissue（组织） cloned from the patient’s own cells would not be rejected（排斥） by the body’s immune system.
U5
1. Although this eco-friendly（生态性的） construction material（建材） has numerous benefits, its prospects（前景） look a lot more uncertain.
2. Images will be just as important as sound to the future of mobile communications.
3. The incidence of heart attacks and high blood pressure could be reduced by exposing at-risk people（高危） to highly contrasting temperatures（对比强烈的温度） to retain their body’s reaction. （expose sb. to… 让sb经历…）（the incidence of disease 发病率）
4. Credit cards perform the function of substitute money and are known as “instruments of credit（信用工具）,” accepted and used widely.
5. The “global market” consists of hundreds of nations, each with its own customs, life styles, and shopping habits, and marketers（营销家） are urged to（） take these differences into account（考虑。。。）.
6. It is advocated to design eco-friendly buildings with cultural richness and a seminar（研讨会） on the subject has also been held.
7. It is apparent that you have no chance to capture new markets if the talented people（人才） are not in and out（流动） in your company.
8. The situation should ease up（缓和） now that the sides involved（有关各方） are prepared to make a talk.
U4
1. The immature（不成熟的） products, when launched to the market, cost a large amount of money on advertising and publicity（广告宣传）.
2. According to his advice, we have taken three optional courses instead of all of them.
3. The past 10 years was one of the most concentrated bursts of innovation(创新活动最集中) in our history—not just the Internet, but the decoding of the human genome.
4. To our delight, the government has not only been aware of the potential harm of financial crisis but also timely and decisively（及时果断地） taken a series of powerful measures for regulation and direction（规范和引导）.
5. We were stunned（惊呆）by the sudden news and could hardly say any word or make any response.
6. I felt myself being propelled into the air by the force of the explosion, then falling down heavily on the ground.
U3
1. Think of the Internet is the road carrying information between two computers while the World Wide Web is the village.
2. The dawn（出现） of the Internet is supposed to be as important as the invention of the typography（印刷术）. It will change the once familiar face of the media forever.
3. The World Wide Web can help people to understand the way that others live and love, and can help us understand the human nature.
4. With the wide spread use of （随着。。。的普及）personal computers, there is increasing concern about the activities of “hackers”, who break into computing systems.
5. The information revolution that has taken place over the last few decades has been witnessed by communication companies, often called“telcos”, which bring more and more technology into our everyday lives. Technical terms once used by computer professionals have evolved to become（逐渐成为） an important part of real language.
6. Net chat requires linguistic（语言上的） economy. There’s neither time nor space for explanation. Why not use BRB instead of “be right back” when you are away for a moment?
7. With the emergence（出现 ） of regional（地区性的） financial crisis in Asia’s developing countries, business leaders are looking forward to Silicon Valley for new business models to take the place of the ones based on cheap labor and mass production.
8. Today eBay is the largest online seller of goods ranging from automobiles to computers to sporting goods, a total of 18,000 categories in all.（range form … to … to ..）
U2
1. The graduate students are immersed(泡、浸) several hours a day in the laboratory or the library.
2. Genius is 10% inspiration and 90% perspiration.（天才是10%的灵感加90%的勤奋）
3. Self-education stays with us throughout our lives. In order to keep up with the rapid development and changes of the 21st century world, we have to keep on trying hard to improve ourselves.
4. If we can get to know the society more, we can adapt to it easier when we graduate.
5. Joining clubs and students’ associations is a good way to meet more people and enrich the students’ social life.
6. Our classmates are of different characters, so it enables us to learn to handle relationships between different kinds of people.
7. People who cannot find time for recreation are obliged sooner or later to find time for illness.早晚会被迫腾出时间生病
8. The three-year graduate experience is more than listening to the lecture, attending the symposium （讨论）and doing research—it’s about preparing ourselves for the future and paving the way （铺平道路）for our successful careers.
U1
1. All the happy families resemble（相似） one another, and each unhappy family is unhappy in its own way.
2. Generation gap results from different understanding and appreciation between two generations of the great and constant changes（不断发生的巨大变化） of the world.
3. An ideal family should be a place where we can get warmth, help, comfort and strength.
4. Anyone who wants to have a both fruitful（硕果累累） and cheerful life should deal well with the relationship between work and play.
5. I am convinced that a real friend should be one who shares joy and hardships(同甘共苦) with you, one you can trust and one who won’t turn his back on （背弃）you.
6. Proper and skillful interpersonal communication（人际交往） will satisfy our psychological needs, social needs and other practical needs.
7. We cannot live without friends just as we cannot survive without air and water.
8. Interpersonal communication skills are so important that we should develop such skills conscientiously（有意识地）. Like good manners, they can after all be learned（这些技能同礼貌一样都是可以学会的）.