更多“若两轴的刚性较大、对中性好、不发生相对位移，工作中载荷平稳转”相关的问题
狗的室颤有自行恢复的可能，而免和猫发生室颤，很难自行恢复。
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下图为我国部分区域天气形势图，图中虚线为等压线（单位：百帕）。读图完成下列问题。 有关此时我国天气状况的描述，正确的是（）
A.全国绝大部分地区受冷高压控制，多阴雨天气
B.冷锋已开始到达东北地区
C.冷锋锋线正经过重庆地区
D.长江中下游受副热带高气压控制，天气晴朗
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全球最大的美元私营支付清算系统是（）。
A.FEDWIRE
B.CHIPS
C.CHATS
D.CHAPS
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汉译英：“真空包装”，正确的翻译为( )。
A．Vacuum Packaging
B．Conventional Packing
C．Composite Packaging
D．Inner Packing
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鹅口疮由以下哪一种致病菌所引起（）
A.白色念珠菌
B.金黄色葡萄球菌
C.链球菌
D.单纯疱疹病毒
E.肺炎链球菌
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下面哪些是病人在用药过程中该享有的权利？（）
A.知情同意的权利
B.平等用药的权利
C.要求降低医疗费用及用药费用的权利
D.自认为医生处方错误拒绝用药的权利
E.监督自己医疗权实施的权利
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对证实牛顿万有引力定律相关键意义事实，一是（），二是（），三是相关行星摄动现象证实、四是引力常数G测定。
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Amtrak (美国铁路客运公司) was experiencing a downswing in ridership (客运量) along the lines comprising its rail system. Of major concern to Amtrak and its advertising agency DDB Needham, were the long-distance western routes where ridership had been declining significantly. At one time, trains were the only practical way to cross the vast areas of the west. Trains were fast, very luxurious, and quite convenient compared to other forms of transportation existing at the time. However, times change and the automobile became America's standard of convenience. Also, air travel had easily established itself as the fastest method of traveling great distances. Therefore, the task for DDB Needham was to encourage consumers to consider other aspects of train travel in order to change their attitudes and increase the likelihood that trains would be considered for travel in the west. Two portions of the total market were targeted: 1) anxious fliers--those concerned with safety, relaxation, and cleanliness and 2) travel-lovers--those viewing themselves as relaxed, casual, and interested in the travel experience as part of their vacation. The agency then developed a campaign that focused on travel experiences such as freedom, escape, relaxation, and enjoyment of the great western outdoors. It stressed experiences gained by using the trains and portrayed western train trips as wonderful adventures. Advertisements showed pictures of the beautiful scenery that could be enjoyed along some of the more famous western routes and emphasized the romantic names of some of these trains (Empire Builder, etc). These ads were strategically placed among family-oriented TV shows and pro- grams involving nature and America in order to most effectively reach target audiences. Results were impressive. The Empire Builder, which was focused on in one ad. enjoyed a 15 percent in- crease in profits on its Chicago to Seattle route.What's the author's purpose in writing this passage?A．To show the inability of trains to compete with planes with respect to speed and convenience.B．To stress the influence of the automobile on America's standard of convenience.C．To emphasize the function of travel agencies in market promotion.D．To illustrate the important role of persuasive communication in changing consumer attitudes.
A.What'sB.ToC.B．ToD.C．ToE.D．ToF.
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Fe2S3的溶度积Ksp表达式是（）
A. Ksp= [Fe3+][S2-]
B. Ksp = [Fe23+][S32-]
C. Ksp = 2 [Fe3+]×3[S2-]
D. Ksp = [Fe3+]2[S2-]3
E. Ksp = [1/2Fe3+]2[1/3S2-]3
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根据广告法的规定，对特定媒体发布广告进行的限制有（）。
A、禁止利用广播、电视等发布烟草广告
B、烟草广告中必须标明“吸烟有害健康”
C、药品、医疗器械广告不得含有不科学的表示功效的断言或者保证
D、食品广告的内容必须符合卫生许可的事项
E、禁止利用广播、电视等发布酒类广告
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下列关于床上洗头的操作中，错误的是（)
A.洗头前，协助病人取舒适体位B.用棉球塞堵病人双耳C.用指尖搓揉头皮和头发，搓揉方向由头顶部向发际D.洗头时，注意观察病人病情变化E.衰弱病人不宜洗发
B.用棉球塞堵病人双耳C.用指尖搓揉头皮和头发，搓揉方向由头顶部向发际D.洗头时，注意观察病人病情变化E.衰弱病人不宜洗发
C.用指尖搓揉头皮和头发，搓揉方向由头顶部向发际D.洗头时，注意观察病人病情变化E.衰弱病人不宜洗发
D.洗头时，注意观察病人病情变化E.衰弱病人不宜洗发
E.衰弱病人不宜洗发
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非增压柴油机在进（扫）气过程中，气缸内的压力（）。
A．略高于大气压力
B．略低于大气压力
C．与大气压力相等
D．四冲程机低于大气压，二冲程机高于大气压力
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从河流的源头向河流的下游依次取样，水样的水质参数增加的有（）。
A.水温
B.含氧量和矿质养分的量
C.浊度和沉积物的量
D.水流流速
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取该病人的血浆进行Lupo和Lucor实验，Lupo为60s；Lucor为50s。该结果可证实病人出血的原因为（）
A.狼疮样抗凝物质过多
B.因子Ⅹ功能障碍
C.自发性流产
D.因子Ⅴ缺乏症
E.凝血酶原缺乏
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函数将平面上的带形区域映射成平面上的区域（）.
A.
B.
C.
D.
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