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Cavendish LaboratoryThe Cavendish Laboratory has had an important influence on biology, mainly through the application of X-ray crystallography to the study of structures of biological molecules. Francis Crick already worked in the Medical Research Council Unit, headed by Max Perutzand housed in the Cavendish Laboratory, when James Watson came from the United States and they made a breakthrough in discovering the structure of DNA. For their work while in the Cavendish Laboratory, they were jointly awarded the Nobel Prize in Physiology or Medicine in 1962, together with Maurice Wilkins of King's College London, himself a graduate of St. John's College, Cambridge.The discovery was made on 28 February 1953; the first Watson/Crick paper appeared in Nature on 25 April 1953. Sir Lawrence Bragg, the director of the Cavendish Laboratory, where Watson and Crick worked, gave a talk at Guy's Hospital Medical School in London on Thursday 14 May 1953 which resulted in an article by Ritchie Calder in the News Chronicle of London, on Friday 15 May 1953, entitled "Why You Are You. Nearer Secret of Life." The news reached readers of The New York Times the next day; Victor K. McElheny, in researching his biography, Watson and DNA: Making a Scientific Revolution, found a clipping of a six-paragraph New York Times article written from London and dated 16 May 1953 with the headline "Form of `Life Unit' in Cell Is Scanned." The article ran in an early edition and was then pulled to make space for news deemed more important. (The New York Times subsequently ran a longer article on 12 June 1953). The Cambridge University undergraduate newspaper Varsity also ran its own short article on the discovery on Saturday 30 May 1953. Bragg's original announcement of the discovery at a Solvay Conference on proteins in Belgium on 8 April 1953 went unreported by the British press.Sydney Brenner, Jack Dunitz, Dorothy Hodgkin, Leslie Orgel, and Beryl M. Oughton, were some of the first people in April 1953 to see the model of the structure of DNA, constructed by Crick and Watson; at the time they were working at the University of Oxford's Chemistry Department. All were impressed by the new DNA model, especially Brenner who subsequently worked with Crick at Cambridge in the Cavendish Laboratory and the new Laboratory of Molecular Biology. According to the late Dr. Beryl Oughton, later Rimmer, they all travelled together in two cars once Dorothy Hodgkin announced to them that they were off to Cambridge to see the model of the structure of DNA. Orgel also later worked with Crick at the Salk Institute for Biological Studies.10.Which of the following is TRUE according to the passage?
A.
Crick has no assistant in the Cavendish Laboratory.
B.
The first Watson/Crick paper appeared in Nature on 1953.
C.
Lawrence Bragg gave a talk about new DNA at Guy's Hospital Medical School.
D.
Dorothy Hodgkin was regarded as the most unselfish scientist by the public.
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【判断题】对于各种黑恶势力违法犯罪,依法严惩、打早打小、除恶务尽。
A.
正确
B.
错误
【单选题】我国江河大多数流向东部海洋,这是因为 [     ]
A.
我国地形复杂多样,山地约占陆地面积的1/3
B.
我国地势总的特征是西部高,东部低
C.
我国地势呈阶梯状分布
D.
平原、丘陵主要集中在东部,土壤肥沃
【单选题】关于truncate table说法正确的是( )。
A.
truncate table 可以用于删除表的部分数据
B.
truncate table在删除数据比delete速度快
C.
使用truncate table删除表数据后,对表中标识列没有影响
D.
truncate table可以用于删除表的结构
【简答题】既无商品所有权,又无现货,只在双方交易洽谈中起媒介作用的是
【简答题】欧洲的经济大国—法国: 1.国土轮廓:形似 边形。 2.地理位置: (1)海陆位置:三面临海— 海峡、比斯开湾、地中海;三面临陆。 (2)经纬度位置:0°经线从国土西部穿过,属于 半球;大部分位于44 °N~50 °N之间,属于 (高、中、低)纬度地区,位于五带中的 带。 3.地形: 和 占全国面积的4/5,;西北部是 ,东南部是 高原和阿尔卑斯山脉;地势 。 4.主要河流: 河由东南向西北注入拉...
【单选题】He taxi had to _____because the traffic light had turned red.
A.
set up
B.
shut up
C.
catch up
D.
pull up
【单选题】对于各种黑恶势力违法犯罪,依法严惩,( ),除恶务尽。
A.
打晚打大
B.
养大再打
C.
打早打小
【单选题】关于病毒,下列说法错误的是________。( )
A.
计算机病毒一般不能单独存在,它是依附在其他程序上的
B.
计算机病毒能享有被寄生的程序所能得到的一切权利
C.
引导区病毒总是先于系统文件装入内存,获得控制权并进行传染和破坏
D.
目前网络病毒的种类不断增多,但运行方式基本相同
【单选题】关于 Truncate table, 以下()描述是错误的。
A.
Truncate table 可跟 Where 从句,根据条件进行删除。
B.
Truncate table 可以删除表中所有数据。
C.
触发器对 Truncate table依然有效 。
D.
delete 比 Truncate table 速度快。
【单选题】112 既无商品所有权,又无现货,只在双方交易洽谈中起媒介作用的是
A.
.零售商
B.
代理商
C.
经销商
D.
经纪人
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