问题
单项选择题 A2型题
患者男性，56岁。高血压病3年，心前区阵发性疼痛半年，活动后发作。每次发作3～5分钟，发作时心电图Ⅱ、Ⅲ、aVF导联ST段下移。治疗应首选的药物是（）
A.硝酸酯类
B.β受体阻滞剂
C.钙离子拮抗剂
D.洋地黄类
E.乙胺碘呋酮
答案
参考答案：B
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患者男性，56岁。高血压病3年，心前区阵发性疼痛半年，活动后发作。每次发作3～5分钟，发作时心电图Ⅱ、Ⅲ、aVF导联ST段下移。治疗应首选的药物是（）
A.硝酸酯类
B.β受体阻滞剂
C.钙离子拮抗剂
D.洋地黄类
E.乙胺碘呋酮
参考答案：B
My father brought home a sailboat when I was ten, and almost each Sunday in summers we would go sailing. Dad was quite skilled in sailing, but not good at __. As for me, I __ both well before twelve because of living close to Lake Ontario. The last time Dad and I set sail together is really __ . It was a perfect weekend after I graduated from university. I came home and __ Dad to go sailing. Out we set soon on the __ __ lake. Dad hadn’t sailed for years, but everything well with the tiller（舵柄）in his hands. When we were in the middle of the lake, a wind came all of a sudden. The boat was _ _ violently(猛烈地). Dad was always at his best in any __, but at this moment he __ . “John! __ !” he shouted in a trembling(颤抖的) voice, with the tiller still in his hands. In my memory he could fix any __. He was the one I always __ __ for strength and security. Before I could respond, a _ of water got into the boat. I rushed to the tiller it was too late. Anther huge wall of water the boat in a minute. We were thrown into the water, and Dad was struggling aimlessly. At that moment, I felt fiercely of him. I swam to Dad and assisted him in climbing onto the hull（船壳）of the boat. Upon sitting on the hull, Dad was still a little frightened. “It’s all right, Dad. We are __ __ now,” I comforted him. That was the first time Dad had counted on me in a moment of emergency(紧急情况). More importantly, I found it was my turn to start __ of my father.
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