患者，男性，72岁，患COPD、肺心病多年。近5天于受凉后咳嗽、咳痰加重，伴心悸、气喘。查体：口唇发绀，双肺可闻及少量干鸣音。心率130次／分，心律不齐，偶闻期前收缩。不正确的治疗措施是（）
A.口服美托洛尔
B.静脉滴注抗生素
C.应用祛痰药
D.静脉注射氨茶碱
E.鼻导管吸氧
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超声诊断主动脉瓣狭窄，下列哪一项是错误的（）。
A.主动脉瓣口面积大于2.5cm2
B.主动脉瓣口面积小于2.0cm2
C.主动脉瓣口血流速度明显增快
D.继发左室肥厚
E.左室收缩压增高
One day a rich man was invited to dinner at the home of one of his friends. He did not know what to 36 the wine, meat and chicken he had just bought. Certainly he could not 37 them to the servant. Then he had 38 idea. He called up the servant and 39 to him. "I'll be away for the whole evening, and I'll leave you to look after the house. In the cupboard there are two bottles filled with 40 . Be careful about it. You'll be killed if you take even a 41 of it. There is also some meat and chicken in the cupboard. Take care of them". 42 these words the rich man left the home. 43 the master turned his back, the servant opened the cupboard and began to enjoy all the nice things in it. He 44 the two bottles and ate up the meat, the chicken and 45 he found in the cupboard. He was 46 and soon fell 47 . At mid-night the rich man returned home. He looked into the cupboard and to his great 48 , all the wine and food were 49 . He was mad with 50 and called the servant up. "Oh, Master," the servant began to say 51 the rich man could open his mouth; "while you were away, the neighbor's black cat stole into our kitchen and ate up every things in the cupboard. I know you would be angry with me. I was so 52 that I drank the two bottles of poison to kill 53 “there were tears in the servant's eyes.”Oh, Master," he continued, "Please don't get angry with a 54 _ man. I'll soon be dead. The rich man, of course, did not 55 a word of his story. But again, he could do nothing about it.
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当一个人患了急性传染病后，应采取何种医患关系的模式
A．主动-被动型
B．自助型
C．指导-合作型
D．共同参与型
E．以上都不是
简述油罐的发油操作？
振动式密度计的振动管是检测器的核心，采用（）的合金钢制成，两端用固定座固定在底台上。若在电气部件完好的情况下，仪器指示偏差太大，首先要检查其是否松动。
A、弹性好
B、导电率高
C、温度系数小
D、恒弹性