男性,27岁,夏天高温下,在建筑工地劳动时,突然晕倒在地,浑身大汗,P120/min,R25/min,体温40.5℃,BP90/60mmHg,未引出病理反射,心电图正常,血糖5.0mmol/L,大便OB阴性,脑电图正常,血浓度钠150mmol/L,血钾4.5mmol/L,血常规正常。用降温治疗时,通常在1h内使肛温降至()
A. 37℃
B. 39℃
C. 38℃左右
D. 37.5℃
E. 37~37.5℃
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In your test database, you have created the ORDERS table as an indexorganized table (IOT). To facilitate faster querying, you have created a mapping table and a bitmap index on the ORDER_FILLED column. You observe that the query performance degrades when users perform a large volume of transactions. While investigating the reason, you find that the mapping table segment is fragmented, leading to poor performance. Which option would you use to defragment the mapping table without affecting the original table data?()
A. export and import the mapping table
B. drop and recreate the mapping table
C. truncate the mapping table and reinsert the values
D. use the ALTER TABL. REBUILD command to defragment the mapping table
快蹲慢起有助于缓解腿痛症状。
A. 正确
B. 错误
矿车翻完后,不必停掉液压泵。
A. 正确
B. 错误
患者女性,16岁。发热、食欲减退1周,神志欠清1天,查体:皮肤、巩膜黄染,躁动不安,手有扑翼样震颤,肝右肋下未扪及,实验室检查:ALT1600U/L,总胆红素110μmol/L,抗HBsAb阳性,抗HBcAb阳性,抗HAVIgM阳性,抗HEVIgG阴性。既往体健,无输血史。下列处理不恰当的是().
A. 精氨酸
B. 西咪替丁
C. 苯巴比妥
D. 20%甘露醇
E. 氨基酸注射剂