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右上1需要进行的治疗方案是 查看材料
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There is an effect that not only have we all witnessed， but have26. Haven"t we all been on an elevator and noticed that just about everyone stops talking when they get on？ Why do we do that？ You can be having a 27 pleasant conversation with someone， and as soon as you get on an elevator， you just feel like you"d better shut up.
Then， as soon as the doors open， everyone28conversation. Primatologists， or people who study primate （灵长类动物） behavior， have a term for this. It"s called the "elevator effect，" though it doesn"t 29 only on elevators. It happens whenever a group of primates， like humans， is 30 a situation where escape is 31 impossible. It"s thought to be a kind of safety32: as long as nobody talks， nobody is going to risk getting in a fight when there"s no way to spread out. The elevator effect keeps a lid on potential problems before they start.
Even though they rarely if ever ride elevators， chimpanzees demonstrate the elevator effect as well. When chimps are temporarily crowded together into small areas， they will 33 their vocal communication， that is， nobody speaks， and avoid eye 34. The amount of scratching the chimps do， however， goes up. Since scratching is a sign of stress in chimps， we can imagine what they are feeling. It"s just like what we feel in a crowded elevator——everybody carefully35 the lighted numbers and no one saying a thing.
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如果患者戴牙1周后，感觉尚好，仅在上颌腭中缝处有压痛，最可能的原因是
14岁男性，高血压病史6年，某日晨起出现复视，右侧肢体活动不灵。查体：血压15／12kPa，左眼上睑下垂，左眼外斜位，左眼球向上下内活动受限，右侧偏瘫，住院两天，无明显好转，初诊最大可能是
3／4冠邻轴沟的深度为
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