更多“医疗机构根据麻醉药品和精神药品处方开具情况，对其消耗量进行专”相关的问题
知识产权具有（）等特征
A.国家授予性
B.财产性
C.地域性
D.时间性
E.专有性
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（）的优势是药物直接作用于癌细胞，影响腹膜微环境，抑制癌细胞种植？
A.术后辅助化疗
B.术前新辅助化疗
C.腹腔内热灌注化疗
D.手术
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投用空冷器的注意事项有（）
A.检查风机是否正常（送电皮带）B.投用风机时对角开风机C.保持一线风机至少有一个开启D.监测运转风机的电流
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吗啡喃类镇痛药
A.芬太尼
B．美沙酮
C．右丙氧芬
D．曲马多
E．吗啡
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Archaeopteryx had a pretty decent wingspan for a half-pound bird, more than 20 inches. That should have been ample to keep the crow-sized bird flying, or at least gliding, through the Jurassic skies. But as anyone who’s ever watched a space shot knows, the toughest part of flying is the takeoff. And the first birds and their dinosaur ancestors just didn’t have the specialized muscle power for liftoff that their modern counterparts do. It’s a question scientists have been arguing about for more than 200 years: how did the first fliers generate the lift to conquer gravity and take to the air A new study in the journal Nature shows how it could have been done. Fly-of-die According to this popular theory a tree-dwelling ancestral bird could have launched itself or fallen from its perch and managed to stay aloft with the panicked flapping of feathered forelimbs. That solves the gravity issue, but Luis Chiappe, a paleontologist at the Natural History Museum of Los Angeles County, poins out a problem. "We don’t know of any bird ancestors that lived in trees."
A running start This could have helped a bird like Archaeopteryx into the air, but its estimated top ground speed wasn’t anywhere near fast enough for liftoff. Chiappe teamed with industrial aerodynamicist Phillip Burgers, who spends his days designing fans and blowers, and just happens to have earned a Ph. D. studying avian flight. The two used aerodynamic theory and biomechanics to re-create the takeoff run of Archaeopteryx. During a run, the researchers found, the bird’s wings were able to rotate by 45 degrees at the shoulder, angled forward like two large oars beating the air. That may have provided the extra burst of speed Archaeopteryx needed to outrun hungry predator or snap up a quick-running lizard. And, the new calculations show, it would also have generated sufficient velocity for takeoff. During the early phase of a run, Burgers explains, Archaeopteryx’s wings acted more like an airplane’s engines than its wings, providing more thrust than lift. Then, once in the air, Archaeopteryx would have rotated its wings back to horizontal, to maintain altitude. Burgers holds that modern birds do exactly the same thing. Why did no one notice until now "We’re infatuated with lift," says Burgers, "because we can’t generate it ourselves. "Chiappe and Burgers have shown that Archaeopteryx could have taken off from the ground, but whether or not it actually did may never be known. "I don’t really care if Archaeopteryx flew or not," says Burgers. After all, people still ask the same question about chickens. "Does a chicken fly Maybe, maybe not. ’But its wings help it get where it needs to go. Flying, it turns out, is just the continuation of running by other means.
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设定压力是调压器的一族静特性线的名义进口压力。
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柜台推销是一种非常普遍的“等客上门”式的推销方式。其职能都是与顾客直面接触，面对面交谈，介绍商品，解答疑问，促成销售。
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（）是指流速大、过程短暂，往往夹带大量泥沙、石块，突然爆发的破坏力很大的小面积山区洪水。
A.暴雨洪水
B.融雪洪水
C.冰凌洪水
D.山洪
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铸造起重机吊运液体金属时，起升动作与大车运行（）同时进行。
A . A、禁止
B . B、可以
C . C、随意
D . D、短暂
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巴戟天净制应（）
A.去皮壳 B.去毛 C.去心 D.去芦 E.去核
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Traffic statistics paint a gloomy picture. To help solve their, traffic woes, some rapidly growing U...According to the passage, the smart-highway technology is aimed to ______.
A．develop sophisticated facilities on the interstate highways
B．accelerate the speed of the transportation
C．optimize the highway capabilities
D．improve communication between drivers and the traffic monitors
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以下哪个是用于编码/编程的数据文件？（）
A.PDX
B.ODX
C.ZDC
D.IBN
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关于打印的描述，下列说法中正确的是（)A.文档只能全文打印，不能设置其打印范围B.一次只能打印一份
关于打印的描述，下列说法中正确的是()A.文档只能全文打印，不能设置其打印范围B.一次只能打印一份文件C.打印命令在“工具”菜单中D.对于安装了多台打印机的计算机，可以在打印选项中对打印机的类型进行选择
A.文档只能全文打印，不能设置其打印范围B.一次只能打印一份文件C.打印命令在“工具”菜单中D.对于安装了多台打印机的计算机，可以在打印选项中对打印机的类型进行选择
B.一次只能打印一份文件C.打印命令在“工具”菜单中D.对于安装了多台打印机的计算机，可以在打印选项中对打印机的类型进行选择
C.打印命令在“工具”菜单中D.对于安装了多台打印机的计算机，可以在打印选项中对打印机的类型进行选择
D.对于安装了多台打印机的计算机，可以在打印选项中对打印机的类型进行选择
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型临时设施总平面超过1200m2的，应当按照消防要求配备灭火器，并根据防火的对象、部位，设立一定数量、且容积不少于4m2的消防水池，并配备不少于4套的取水桶、消防铣、消防钩。同时，要备有一定数量的消防沙池等设施，并留有消防车道。
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由美国计算机伦理协会制定的“计算机伦理十戒”提出了计算机使用中应当遵循的规范，下列哪条不属于十戒。（）
A . A、你不应该用计算机去伤害他人；
B . B、你不应该去影响他人的计算机工作；
C . C、你不应该到他人的计算机文件里去窥探；
D . D、你不应该将微博中的信息随意转发。
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参考答案
十点题库官方参考答案
（由十点题库聘请的专业题库老师提供的解答）
