某研究所应用高灵敏度32P标记分析法测定10名肺癌病人肺组织DNA加合物(1/108核苷酸)含量如下,若分析肺组织DNA加合物含量Y与患者的吸烟量X(支/天)有无相关关系,可进行何种分析 肺癌病人肺组织DNA加合物含量 (1/108核苷酸)与吸烟量(支/天)患者编号 1 2 3 4 5吸烟量 5 5 10 15 15DNA加合物 6.26 5.17 6.34 9.78 12.00患者编号 6 7 8 9 10吸烟量 20 20 20 25 25DNA加合物 13.70 15.66 12.40 18.40 17.20
A. 直线回归分析
B. 等级相关分析
C. 直线相关分析
D. 秩和检验
E. 方差分析
Where does the family have their breakfast, upstairs or downstairs?The family has their breakfast ().
Then in the 1830s came the invention of the telegraph.The telegraphist could send messages from lands hundreds of miles away more quickly than a horseman could deliver a letter from the next village. Of course, mistakes were made and some of them were very funny. Sending a telegram to London from the other end of the world was at first very costly. So telegraphists used as few words as possible. Sometimes words were misspelt and the telegrams were difficult to understand. Here is a famous example. When the very first railway line was started in Queensland, Australia, the governor himself dug the first piece of earth. This was an important event. So a telegram was sent to Lon don. It read, "Governor Queensland turns (digs) first sod (piece of earth)." But when the telegram arrived, it read, "Governor Queensland twins’ first son." The newspapers then printed the exciting news that the Governor’s wife had had twins, the first one being a boy! This came as a great surprise to everybody, because the governor was not married! The news came as a great surprise to everybody, because the governor().
Task 4A -- purchaseB -- possible clientsC -- quotationD -- advertisementE -- invoiceF -- orderG -- stockH -- product presentationI -- distributionJ -- sales expenditureK -- exhibitionL -- deliveryM -- transportN -- researchO -- import & exportP -- launch ()定货()运输