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男性，30岁，烧伤患者，精神紧张，痛苦不安，血压120/80mmHg，脉搏98次/分，面部红肿无水泡，有烧灼感；双手皮肤红白相间，有小水泡，痛不重；双前臂皮肤红肿，有多数大小不等水泡，疼痛明显；胸部有一片烧伤区，约患者3个并指掌面大小，呈白色，无水泡，不痛。 该患者Ⅱ°烧伤面积和Ⅲ°烧伤面积各是多少
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[听力原文]9-10M: Come on, Jane. It’ s time to go.W: Wait a minute. I just have to close up the shop.M: Ok.W: Listen, can we give my sister a ride home tonightM: Sure. You mean Helen’s coming to the gameW: Yeah, she wants to take some pictures. She’ s really interested in photography.M: Oh Does she want to be a photographerW: Huh - huh. She’ d like to work for a newspaper.M: That sounds like an interesting job.W: I think so, too. But a lot of people want to be photograpbers. There’ s so much competition.M: I know what you mean. There’ s a lot of competition in sports, too. I wanted to be a professional soccer player, but now I work in a bank.W: Well, you’ ve got to eat. What does the man do for a living（）
已知X为随机变量，Y=X2+X+1． 已知X的分布函数FX(x)，求Y的分布函数FY(y)；
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