病历摘要：男性、57岁，主因劳累后胸痛一月入院，三年前出现劳累后胸痛，长期口服血管扩张剂。查体：一般情况好，双肺呼吸音清无干湿性啰音，心率89次/分心电图示ST-T缺血性改变，血清酶谱正常。
以下有关冠心病流行病学的描述正确的是：（）
A.冠心病是西方国家造成死亡的主要原因
B.我国近二十年来发病率无明显变化
C.男性死亡率高于女性
D.我国是冠心病低发国家
参考答案：A, C, D
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| Tony loved basketball. One afternoon on his way to a basketball game, he was walking and dreaming about playing college 1 the next year. Suddenly a car hit him and he was thrown three 2 into the air. Tony woke up in a 3 room. When the doctor told him that both his legs were broken, he knew his college basketball dreams were 4 . Tony did what the doctors told him. 5 it didn't work when he left the hospital,Tony was sent to a rehab (康复) center. A week after he arrived there, he met Sunny Chen. Sunny used to be a coach. His legs were hurt 6 in a skating accident. Though he couldn't move his legs, Sunny became a coach of a basketball 7 called the Suns. It was a on-wheelchair basketball team, because 8 on the team played from a wheelchair. Sunny invited Tony to 9 the game. Tony played badly, but for the 10 time since the accident, he stopped feeling sorry for himself. After becoming a part of the Suns, Tony improved quickly. Basketball Was like 11 for him. Tony was much better than before. When Tony became sad or 12 , Sunny was there to help him. The day 13 Tony left the center, he had dinner with Sunny. He asked Sunny 14 he could be so happy, even with his broken legs. Sunny 15 and said, "It's really quite easy. When you keep your face to the sun,the shadows (阴影) fall behind." | ||||
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