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题目：
多选题
A恒值控制系统和随动控制系统
B连续系统和离散系统
C单变量系统和多变量系统
D线性系统和非线性系统
答案：
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定位精度
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下列关于我国古代科技成就的说法，正确的是（ ）。
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女性患者，59岁。以"头痛，意识不清30分钟"为主诉住院。既往高血压20年，不规则服药。查体：血压210/120mmHg，浅昏迷，双眼向右侧凝视，左侧上肢坠落试验阳性，左足外旋位，左侧Babinski征阳性。诊断考虑为（）
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荧光显微镜和普通显微镜有什么主要区别？
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《素问·血气形志篇》中"形数惊恐，经络不通，病生于不仁，治之以按摩醪药"讲述了推拿中的（）
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因高度危险作业致人损害的侵权行为中，致害人的免责事由是（）。
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A Dangerous PlacePaula had always wanted to go to New York and now she had the chance at last. She was a journalist, and her newspaper was sending her there to do a series of articles on the city. But before she left her home in London, several friends warned her to be careful and not to go out alone at night in New York. "It's a dangerous place. People get robbed or even killed in broad daylight!" they told herBut once she got there, she was oniy afraid of exhaustion. It was so stimulating and exciting a city that she never got any steep. It took her two weeks to do the articles and she had to interview a lot of people, but she enjoyed every minute. She completely forgot all her friends' warnings until the day before she went back to London. It atl began in a barShe was having lunch there when she suddenly felt someone was watching her. She looked up and noticed a man sitting at a table opposite her. He was staring at her, but looked away. She noticed that he had a scar on his cheek. He was about 30, and had short, curly hairPaula was not worried at all then. She had to go to an airline office to book her flight home. She wanted an afternoon flight instead of a morning one. On her way there, she stopped to look at something in a shop window. To her surprise, she saw the man following her; she could see his reflection in the glass. He had stopped just behind her. Suddenly she felt afraid. She walked on. Then she stopped and looked behind her again. But this time she could not see him.Just then she noticed she had come to the airline office. She went in. After she had finished her business, she decided to phone a friend from a telephone booth there. She was carrying a small, portable but very expensive tape recorder. It was in a black case. She kept her money and passport in the case as well. But the booth was so cramped that she had to eave the case outside. When she came out, it had disappeared. She was stunned. Then she saw the red-haired man hurrying out of the office. He had the case in his hand. She shouted, but it was too late.Read Passage and answer the following questions. Make your answers as short and clear as possible. Write your answers on the Answer Sheet31.Why did Paula go to New York?32. What did her friends tell her before she left London?33.What did the man sitting opposite her look like?34. What did she keep in her black case?35. What happened at last?
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急性喉炎的治疗下列哪项正确A．可选用全身抗生素B．皮质激素可与抗生素同时应用，一般2～3天C．烦躁不安者可用镇静剂D．3度以上的喉梗阻，应及时气管切开E．氯丙嗪有镇静和减轻喉头水肿的作用
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OTC药品分为甲类和乙类，甲类药品标志为()色椭圆型图案，乙类药品标志为()色椭圆型图案。
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甲状腺功能减退症