单选题______Astudy Bdiscovery Cresearch Ddevelopment
单选题
______
A
study
B
discovery
C
research
D
development
参考解析
解析：
根据上下文.这里应是寻找替代的燃料.只有C符合此意。
根据上下文.这里应是寻找替代的燃料.只有C符合此意。
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问答题Cambridge University When we say that Cambridge is a university town, we do not mean just that it is a town with a university in it. Manchester and Milan have universities, but we do not call them university towns. A university town—like Uppsala, Salamanca or Heidelberg—is one where there is no clear separation between the university buildings and the rest of the city. The university is not just one part of the town; it is all over the town. The heart of Cambridge has its shops, pubs, marketplace and so on, but most of it is university—-colleges, faculties, libraries, clubs and other places for university staff and students. Students fill the shops, cafés, banks, and churches, making these as well part, of the university. The town was there first. Two Roman roads crossed there, and there are signs of building before Roman times (earlier than A.D.43). Trouble in Oxford I 1209 caused some students and their teachers to move. Cambridge became a centre of learning, and the authority of the head of the university, the chancellor, was recognized by the king in 1226. At that time many of the students were very young (about fifteen), and many of the teachers were not more than twenty-one. At first they found lodgings where they could, but this led to trouble between town and gown and many students were too poor to afford lodgings. Colleges were opened so that students could live cheaply. This was the beginning of the college system which has continued at Cambridge up to the present day. The colleges were built with money from king, queens, religious houses, or other sources. One example is Clare College. It was first founded in 1326 as University Hall. After the Black Death ( a disease which killed nearly half the population of England between 1349 and 1350) it was founded with money from the Countess of Clare. In providing it, the Countess stated that the college was to be for the education of priests and scholars. Today there are nearly thirty Colleges. The answer are University College, founded in 1965, and Clare Hall, founded in 1966, both for graduates. Very few students can now live in college for the whole of their course; the numbers are too great. Many of them live in lodgings—digs—at first and move into college for their final year. But every student is a member of his college from the beginning. While he is in digs he must eat a number of meals in the college hall each week. His social and sports life centers on the college, although he will also join various university societies and clubs. To make this clearer, take the imaginary case of John Smith. He is an undergraduate at Queen’s College. His room is on E staircase, not far from his tutor’s rooms on C staircase. He has dinner in the fine old college hall four times a week. He plays rugger for Queen’s and hopes to be chosen to play for the university this year. His other favorite sport is boxing, and he is a member of the university club. He is reading history, and goes once a week to Emmanuel College to see his supervisor to discuss his work and his lecturers. He belongs to several university societies—the Union, the Historical Society, a photographic club, and so on—and to a member of college societies. With about 8,250 undergraduates like John Smith and over 2,000 postgraduates, the city is a busy place in full term. Undergraduates are not allowed to keep cars in Cambridge, so nearly all of them use bicycles. Don’t try to drive through Cambridge during the five minutes between lectures. On Monday John Smith has a lecture in Downing College ending at 9:55 and another in Trinity at 10. His bicycle must get him there through a boiling sea of other bicycles hurrying in all directions.
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问答题西藏旅游：揭去神秘的面纱 西藏地处中国西南部。13世纪中叶，正式纳入中国元代版图。尽管中国历经多次改朝换代，政权更迭，但是，西藏始终在中央政府控制之下，是中国的一个不可分割的部分。 西藏历史文化悠久。考古发掘遗迹表明4000至两万年前就有人栖息于此。勤劳勇敢的西藏人民创造了充满活力、丰富多彩的文化习俗，是一个富于独特的传统文化、能歌善舞的民族。 西藏天文学、历算先进，医学发达，拥有大量经典和文学作品。西藏的艺术瑰宝有绘画、建筑、雕刻、音乐、舞蹈、民间戏剧。西藏各地都有著名的古代艺术景点，其中最著名的景点有布达拉宫、扎什伦布寺、大昭寺和小昭寺等。这里的观光旅游和民俗风情旅游，是世界上最为独特的。 现代游客渴望重返大自然，欣赏大自然。西藏地域广阔、人口稀少，高山白雪皑皑、森林郁郁葱葱、杜鹃满山遍野，河流奔腾不息，湖泊静谧安详。这里绝大多数地方没有污染，散发着淡谈的原始醇香。在这里人们可以尽情地享受大自然的恩赐。
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单选题The Clarks haven't decided yet which hotel for staying.Ato stayBis to stayCto stay atDis for staying
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单选题The abbreviation of “GP” in the passage can probably mean____________.AGeneral PractionerBGeneral ProfessionCGeneral PracticeDGraduate in Pharmacy
问答题扶贫开发 二十一世纪中国扶贫(poverty alleviation；poverty relief；aiding the poor)开发面临的难点和比较突出的问题是：第一，虽然贫困人13的收入水平明显提高，但目前中国扶贫的标准是低水平的。第二，由于受自然条件恶劣、社会保障系统(social insurance system)薄弱和自身综合能力差等因素的掣肘，目前已经解决温饱问题的贫困人口还存在很大的脆弱性，容易重新返回到贫困状态。第三，尽管扶贫开发已使广大农村贫困地区的贫穷落后状况明显改变，但贫困农户的基本生产生活条件还没有质的变化，贫困地区社会、经济、文化落后的状况还没有根本改观。第四，由于中国人口基数很大，在今后相当长的一个时期将面临就业压力，这必然会影响到贫困人口的就业，使很多本来能够奏效的扶贫措施难以发挥出应有的作用。第五，尚未解决温饱(have enough to eat and wear)的贫困人口一般都生活在自然条件恶劣、社会发展程度低和社会服务水平差的地区，这些地区投入与产出效益的反差较大。
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问答题Is There Life on Mars? The American space agency, NASA (the National Aeronautics and Space Administration), has drawn up a short list of ten research projects that will form the basic of an ambitious program to explore the planet Mars in a mission scheduled for launch in 2007. Scientists are being asked to use their ingenuity to devise novel ways to explore the red planet using intelligent robots and probes that might perhaps answer the biggest question of all—-is there life on Mars? NASA chose the ten projects from a list of 43 hopefuls. It has included missions for returning samples of Martian dust and gas to Earth, networks of small landers, orbiting constellations of microprobes and a rover that would try to date the precise age of rocks and soils. The ten concepts are part of the Mars Scout program to be launched in six years. This follows a decade of the most intensive interest in Mars since the two Viking probes of 1976 which sent back eerie images of the Martian landscape some 400 million kilometers away. But the history of Mars exploration is littered with failure—more than half of the 30 missions to date have ended in fiasco. It was NASA’s announcement in August 1996 of possible signs of life in a Martian meteorite which had fallen to Earth that rekindled intense interest in Earth’s nearest neighbor. It was assumed that liquid water had once flowed on Mars and an ancient atmosphere might have supported living organisms. However, opposing camps of scientists bitterly disputed NASA’s evidence for primitive life-forms in the Martian meteorite ALH84001. This led to the conclusion that the only way of finding out whether life ever existed on Mars is to go there and have a look. NASA planned a bold series of increasingly complex missions involving the launch of a couple of space probes every year for a dozen years. One of the most successful so far was the shoe-box-sized So-journer rover which thrilled a world Internet audience when it was wheeled out in 1997. Since then, however, NASA has suffered a series of setbacks. In September 1999 its Mars Climate Orbiter was lost as a failed rocket bum plunged it into the Martian atmosphere. NASA blamed it on one of its team using imperial units and another using metric. Three months later, NASA lost contact with its Polar Lander as it approached touchdown on the frozen South Pole of the planet. Space commentators muttered darkly about Mars being a cosmic equivalent of the Bermuda triangle. The year of 2001 saw the successful completion of the Global Surveyor mission, an orbiting probe that took pictures of what some scientists say are channels in the dust where water may still occasionally flow from underground well. More recently, the Mars Odyssey probe was launched without hitch and is due to arrive in 2008. Meanwhile, the European Space Agency is planning its own visit to the red planet with the launch of its Mars Express mission scheduled for take-off in .June 2003. Britain is designated to take a lead role in the project with the Beagle 2 Lander, a small craft, the size of a kitchen sink designed to shuffle over the Martian landscape taking soil and rock samples, analyzing them for signs of life and transmitting the data back to Earth. Beagle 2—framed after the ship that carded Charles Darwin on his voyage of discovery—will weigh just 60 kilograms and will cost about US $225,000 to build, a fraction of the cost of building the Viking space probes more than 25 years ago. Beagle 2 will look for water, minerals and organic matter. Although it will reach Mars before NASA’s Scout mission is even launched, it will be considerably less sophisticated in tea’ms of analytical technology. The focus now for NASA is on what instruments and robots to put on the Mars Scout mission in six years. Ed Weiler, NASA’s associate administrator for space science, had to decide on a top ten to concentrate NASA’s limited resources. Each project is to receive a grant of $150,000 to see them through the next six months of development. It all has to come out of a total project budget capped at $300 million. These Scout concepts embody the spirit I first thought about more than a year ago; and will enable us to explore the diversity of Mars in new ways, Dr Weiler said.
单选题Camels have extra, almost transparent, eyelids through which they can see in sandstorms.Aadditional Binvaluable Cprotective Dsensitive
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问答题人工智能 现代世界已经日益充斥着智能的装置，虽然几乎不被人察觉，但它们的普遍存在却节省了许多人类劳力。我们的工厂里轰鸣着机器人生产线的节奏；我们的金融服务完成于自动柜员机旁，它们还会机械地、有礼貌地感谢我们；我们的地铁车辆由不知疲倦的机器人驾驶着。有一些机器人系统已能够进行精确到毫米的脑部和骨髓手术，其精确性远远超过技术娴熟的医生用双手所能达到的水平。 人们希望人工智能能够模仿人脑的活动。但是最近研究人员已经开始将这个预测延后数十年，甚至数百年。 在试图建造思维模型的过程中，研究人员发现，人脑中的近l000亿个神经细胞要比以前想象的更聪明，人类的感知也比以前想象的更复杂。他们建造的机器人在严格控制的工厂环境里，能够识别仪表盘上毫米之间的误差。但是人的大脑能够扫描一个快速变化的场景，迅速排除98％的不相干的物体，立即聚焦于人群中的一张可疑的脸。地球上最先进的计算机系统也不能达到这种能力。
单选题Extraordinary linens for the bed and bath, decorative accessories, toiletries, special gifts and more let you create an irresistible retreat for yourself or pampered guests.Aadept Bstubborn Cindulged Dtrembling
单选题The best title of the passage can be____________.AA Dishonest PersonBThe Guilty Practice for a Noble ProfessionCThe Illegal NHS of a GP in LondonDThe Fortune-making Activities of a Doctor