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男性,65岁。慢性阻塞性肺疾病7年。10天前受凉后发热,咳嗽加重,痰黏难咳,2天来神志欠清,发绀、躁动,入院查体双肺呼吸音低,有干湿性啰音,白细胞计数及分类增高。 血气分析检查结果为:pH 7.56,PaO255mmHg,PaCO270mmHg,HCO3ˉ48mmol/L,BE+23 mmol/L。应考虑为

A. 呼吸性酸中毒+代谢性酸中毒
B. 呼吸性酸中毒
C. 呼吸性酸中毒+代谢性碱中毒
D. 代谢性碱中毒
E. 呼吸性碱中毒+代谢性酸中毒

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在使用资本资产定价模型计算项目要求的收益率时,根据β值计算的风险附加率只包含系统风险。()

A. 对
B. 错

1995年5月,李某因为与其妻子赵某发生激烈争执而离家出走,一直下落不明。赵某在2002年1月向法院申请宣告李某死亡。人民法院依法在2003年3月4日宣告李某死亡。李某的遗产由其妻赵某、其女李甲、李母依法继承。后经证实,李某并没有死亡,他在外地与张某结婚,并育有一子李乙,后李某由于患病于2005年2月2日去世,去世前立有遗嘱,将其在家乡的遗产(包括其与赵某共同购买的一套房子和与赵某二人的存款2万元)全部由其子李乙继承。李乙之母张某作为李乙的法定代理人,要求按照遗嘱继承。 根据上述案情,回答下列问题,并说明理由。 本案应当履行怎样的法定程序

Questions 1 to 5 are based on an interview. The interviewee says that the job of an architect is ______.

A. more theoretical than practical
B. to produce sturdy, well-designed buildings
C. more practical than theoretical
D. to produce attractive, interesting buildings

In November 1965, New York was blacked out by an electricity failure. The authorities promised that it would not happen again. Pessimists (悲观者) were certain that it would occur again within five years at the latest. In July 1977, there was a repeat performance which produced varying degrees of chaos throughout the city of eight million people. In 1965, the failure occurred in the cool autumn and at a time of comparative prosperity. In 1977, the disaster was much more serious bemuse it came when unemployment was high and the city was suffering from one of its worst heat waves.In 1965, there was little crime of looting (抢劫) during the darkness, and fewer than a hundred people were arrested. In 1977, hundreds of stores were broken into and looted. Looters smashed shop windows and helped themselves to loot jewelry, clothes or television sets. Nearly 4,000 people were arrested but far more disappeared into the darkness of the night. The number of policemen available was quite inadequate and they wisely refrained (抑制) from using their guns against mobs (暴徒) which far outnumbered them and included armed men.Hospitals had to treat hundreds of people cut by glass from the shop windows. Banks and most businesses remained closed the next day. The blackout started at 9: 30 p. m., when lightning hit and knocked out vital cables. Many stores were thus caught by surprise.The vast majority of New Yorkers, however, were not involved in looting. They helped strangers, distributed candles and batteries, and tried to survive in a nightmare world without traffic lights, refrigerators, elevators, water and electrical power. For twenty-four hours, New York realized how helpless it was without electricity. Compared with year 1965 on maintaining the peace, conditions in 1977 were comparatively().

A. less favorable
B. more favorable
C. unchanged
D. improved

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