我是国防经济的，想请教一下非全日制和全日制研究...

类风湿关节炎最早出现的症状是
A.晨僵 B.关节痛 C.关节肿 D.关节炎

Warren Buffett,who will host Berkshire Hathaway's annual shareholders'meeting on May 3rd,is an icon of American capitalism.At 83,he also epitomizes a striking demographic（1）:for highly skilled people to go on working well into（2）was once thought to be old age.Across the rich world,well-educated people（3）work longer than the less-skilled.Some 65%o of American menaged 62-74 with a professional degree are in the（4）compared with 32%of men with only a high-school certificate.In the European Union the pattern is similar This（5）is part of a deepening divide between the well-educated（6）and the unskilled poor that is slicing（7）all age groups.Rapid innovation has raised the incomes of the highly skilled while（8）those of the unskilled.Those at the top are working longer hours each year than those at the bottom（9）the l1-qualified are extending their working lives,compared with those of less-educated people.The（10）for individuals and society,are profound The world is on the（11）rise in the number of old people,and they will live longer than ever efore.（12）the next 20 years the global population of those aged 65 or more will almost double from 600m to 1.1 billion The（13）of the 20th century,when greater longevity translated into more years in retirement（14）more years at work,has persuaded many observers that this shift will（15）slower economic growth and"secular stagnation",while the（16）ranks of pensioners will bust government budgets But the notion of a sharp division between the working young and the（17）old misses a new trend,the（18）gap between the skilled and the unskilled.Employment rates are falling among younger unskilled people,（19）older skilled folk are working longer.The divide is most extreme in America,where well-educated baby-boomers are（20）retirement while many less-skilled youn but overseas job markets and foreign government policies favor technology experts From a long-term perspective,it is a positive thing that more than 80 percent of those who pursue education overseas return to China after completing their studies and contribute to the country's economy But the notion of a sharp division between the working young and the（17）old misses a new trend,the（18）gap between the skilled and the unskilled.Employment rates are falling among younger unskilled people,（19）older skilled folk are working longer.The divide is most extreme in America,where well-educated baby-boomers are（20）retirement while many less-skilled younger people have dropped out of the workforce.（17）选？

A.idle
B.ricl
C.tired
D.lazy

男性,40岁，血吸虫性肝硬化伴严重脾肿大及血小板减少,有上消化道出血史，胃镜示食管静脉重度曲张。 该患者的最佳治疗方法是
A.单纯脾切除术 B.门腔静脉分流术 C.脾肾静脉分流术D.脾切除加贲门周围血管离断术E.曲张静脉套扎术

设某资本主义农业公司投资3万元（均等的投在面积相同的优、中、劣三块土地上）进行农产品生产。资本有机勾成是6：4，剩余价值率均为150%，平均利润率为30%，优、中、劣三块地上分别产粮食250担、200担、100担。假设所资本和所费资本相同。那么：在存款利息为4%的情况下，土地价格分别为多少？