女性，62岁，高血压、糖尿病史5年，4个月前开始有心绞痛，近1个月来心绞痛发作频繁、持续时间、严重程度均有所加重，昨晚8时在休息状态下出现压榨性心前区疼痛，胸骨后明显，向左上肢内侧放射，持续时间约20分钟，含服硝酸甘油效果不理想，故来急诊，入院后发作1次，心电图是V4～V5ST段下降1.5mm，心肌酶及肌钙蛋白不高。
该患者应诊断为（）
A.不稳定型心绞痛（高危组）
B.不稳定型心绞痛（中危组）
C.不稳定型心绞痛（低危组）
D.非ST段抬高型心肌梗死
E.稳定型心绞痛
参考答案：A
On this Christmas Day I had the wonderful opportunity to see the true spirit of Christmas. My big family always ____ presents together at the start of the New Year and have done so in this way for more than 40 years. Since the beginning, my grandfather and grandmother have ____ their children and cousins on this day in their small farmhouse. With 13 ____ and uncles and more than 30 cousins in this group, there were usually more than 50 people in the room to exchange gifts. Because of the activity, the flying wrapping paper, so many people and the limited space of a 65-year-old farmhouse living room, most of the individual moments went ____. My nephew, Jack (9 year old), who was walking by my 5-year-old cousin, Seth, in the Christmas chaos, noticed that Seth was crying. Jack ____ to ask him what was wrong and why he was crying. Seth ____ that he didn’t receive any toys! Almost without _____, Jack looked down to the only two toys he had received, and _____ Seth with his best toy! He said, “Here, you can have this one. I don’t have to have it. I have other toys I can play with at home.” Tears were welling up in my eyes! I was moved by this huge act of _____. I was so _____ of my nephew and what he had done when he thought no one else was looking. I gave him a huge _____ and told him that he had demonstrated(演示) the true _____ of Christmas!
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