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女性,17岁,1个月来常感口干,故大量饮用甜饮料,每日约2000~4000ml,尿量每日约3000~4000ml,夜尿明显增多,体重下降约3kg,1天前受凉后出现咽痛、发热、嗜睡。查体:皮肤弹性差,血压90/60mmHg,血糖23mmol/L,血CO2CP11mmol/L 为快速明确诊断应行下列何种检查

A. 脑脊液检查
B. 尿酮体
C. 血培养
D. OGTT试验
E. 禁水加压实验

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韩亚航空的波音777客机在旧金山机场失事,造成3名中国少女遇难,此事引发了公众对航空安全的关注。统计数据显示,从20世纪50年代到现在,民用航班的事故率一直在下降,每亿客公里的死亡人数,1945年为2.78人,1950年为0.90人,近30年为0.013人。然而,近几十年来民航事故的绝对数量却在增加。 如果以下陈述为真,哪一项可以最好地解释上述看似矛盾的现象

A. 信息技术日新月异,现在如果某地发生民航事故,消息会很快地传遍世界。
B. 近几十年来民航的运输量快速增长。
C. 民航安全方面,事故率最低的是欧盟,事故率最高的是非洲。
D. 近几十年来地球气候变化异常,大雾等恶劣天气增多。
E. 近几十年来航空相关法律法规更加严格。

The California region boasts a wide variety of climates and geographical features, rivaling any other area of comparable dimensions. Nearly all but the eastern-edge California Native Americans lived where environmental conditions were favorable, making food relatively accessible. Along the Pacific Coast, they hunted fish and sea mammals by boat. Included were such California tribes as the Chumash, Yurok and Pomo. The Maidu and Pomo principally ate acorns, which have a higher calorie rating than wheat. They pounded the hard nuts with stones and washed out the bitter taste with water.The Pomo crafted what were arguably the finest baskets in all of indigenous America. They made baskets as small as a thimble and as big as a yard in width. They made watertight baskets for cooking acorn mush and seed gruel, as well as for carrying and storing food. They wove especially beautiful baskets for presents and as offerings to forebears. Some were bedecked with colorful bird feathers and shells. Their skill also was applied to trays, boats, headgear and baby carriers, such as a wickerwork cradleboard in which an infant spent his first year. Their mothers wore hats that resembled bowl-shape baskets.The California natives lived in communities numbering up to 2,000 with dwellings arrayed in groups. A house consisted of a round frame covered with grass. There was a skylight in the roof and the beds were made on skin-covered frames—each with a partition for privacy. In the center of the floor, they made a cook fire for seeds, nuts, fish and other foods. More than 100 languages flourished in California before European contact; most are gone today. What does the California region take pride in

A. Baskets and houses.
B. Climates and geographical features.
C. Handicraft and colorful languages.
D. California tribes and their cultures.

男性,40岁,体重92公斤,身高168cm,无"三多一少"症状,其母有糖尿病 患者可能的诊断是

A. 1型糖尿病
B. 2型糖尿病
C. 高血压
D. 高血脂
E. 神经衰弱

女性,40岁,10年前生育一子后闭经,体力差,常因为感染脱水,血压低 最有效的治疗是

A. 静脉滴注ACTH
B. 输入盐水加胰岛素
C. 输人糖盐水加氢化可的松
D. 输人糖盐水加地塞米松
E. 输入葡萄糖加抗生素

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