On July 12, 1993, a young professor of American history named Frederick Jackson Turner stood up to speak. The scene was the American History Congress at the Chicago World’s Fair. (62) His paper was titled "The significance of the Frontier in American History." Turner had a new idea. (63) And many historians who heard him recognized that he had come upon a simple theory that seemed right.To Turner, the frontier was one of the most powerful forces shaping the American character. He pointed out that the frontier was a place for new beginnings, a place where men and women could build new lives. Thus, the frontier represented hope and opportunity to Americans. Turner also pointed out that these new lives on the frontier were shaped by tile hardships of surviving in the wilderness. Thus, life on the frontier produced determination in Americans and made them believe in the value of work. (64)According to Turner’s theory, the frontier was a place where everyone had to struggle equally hard. (65) Thus, frontier life helped shape the American ideal of equality, independence, and democracy. And many historians who heard him recognized that he had come upon a simple theory that seemed right.
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男性,40岁,发热3天,腹痛,腹泻,每日2~3次稀便,无脓血,因头晕、乏力而入院。查:体温不升,血压测不到,双眼结膜充血,水肿,面、颈及上胸部潮红,两腹下及腹壁有多处小出血点。血WBC 32×109/L,异型淋巴细胞12%,Hb160g/L,尿蛋白(+++),大便镜检有白细胞5~8个/HP 下列治疗措施中不正确的是
A. 补充血容量
B. 大量输血
C. 纠正酸中毒
D. 肾上腺皮质激素
E. 血管活性药物
Directions:Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1. Advances in computers and data networks inspire visions of a future "information economy" in which everyone will have (1) to gigabytes of all kinds of information anywhere and anytime, (2) information has always been a (3) difficult commodity to deal with, and, in some ways, computers and high-speed networks make the problems of buying, (4) , and distributing information goods worse (5) better. The evolution of the Internet itself (6) serious problems. (7) the Intemet has been privatized, several companies are (8) to provide the backbones that will carry traffic (9) local networks, but (10) business models for intereonnectinn—who pays how much for each packet (11) , for example—have (12) to be developed. (13) intereonnection standards are developed that make (14) cheap and easy to transmit information across independent networks, competition will (15) . If technical or economic (16) make interconnection difficult, (17) transmitting data across multiple networks is expensive or too slow, the (18) suppliers can offer a signfficant performance (19) ; they may be able to use this edge to drive out competitors and (20) the market.
A. admission
B. access
C. right
D. command
男,31岁,1年来疑被人迫害,数次出走后被家人找回。近半年来常行为诡秘,将家中闹钟、收音机等在半夜深埋在公园树林地下,对亲友冷淡,生活懒散,房间内藏有刀、棍等,体格检查无阳性发现。精神状况检查:接触被动,有自语自笑,衣着尚得体。其称“有人要谋害我”,“有人命令我要么自杀、要么逃出去”否认有病,无自知力 疾病学诊断为
A. 精神分裂症单纯型
B. 精神分裂症青春型
C. 精神分裂症紧张型
D. 精神分裂症偏执型
E. 精神分裂症未分化型
No sooner()(we arrive) at our house than it started to rain.