颅内转移性瘤最多见的肿瘤原发部位是() A.鼻咽部 B.胃 C.甲状腺 D.乳腺 E

题型:单项选择题

问题:

颅内转移性瘤最多见的肿瘤原发部位是()

A.鼻咽部

B.胃

C.甲状腺

D.乳腺

E.肺

考点:江苏住院医师核医学Ⅱ阶段核医学练习题核医学练习题题库
题型:单项选择题

某溶液中滴加酚酞试液,溶液变红色,则在该溶液中可以大量共存的离子组是(  )

A.K+、Na+、HCO3-、NO3-

B.Ba2+、Na+、Cl-、NO3-

C.H+、Mg2+、SO42-、NO3-

D.Ag+、K+、NO3-、Na+

题型:单项选择题


甲企业位于B地区,主要生产A产品。某咨询公司接受甲企业的委托,完成了下列咨询服务工作。
(1)A产品成熟度分析:A产品的技术趋于稳定,市场需求迅速增加,生产规模逐步提高,生产该产品的企业数量也在迅速增加,生产成本呈下降趋势。
(2)A产品销售量预测:咨询工程师收集了2005—2009年A产品在B地区的平均销售价格和销售量(见表2),采用移动平均法预测了2010—2019年A产品在B地区的销售量(见表3)。

表2 A产品在B地区的销售价格和销售量
年份销售价格(元/台)销售量(万台)价格弹性系数
2005810080
2006780085-1.69
2007760089-1.84
2008730095-1.71
20097100100-1.92
表3 2010—2019年A产品在B地区预测销售量
年份2010201120122013201420152016201720182019
A产品预测销售量(万台)(n=3)95979796979796979796
(3)甲企业的内部和外部影响因素评价:运用评价矩阵对甲企业的内部和外部因素进行了综合评价,评价矩阵见表4。
表4 甲企业的企业内部和外部因素评价
关键内部因素权重得分关键外部因素权重得分
优势研发能力强0.204机会政策扶持0.204
管理规范0.254信贷环境宽松0.153
产品性能处于行业中等水平0.153行业技术进步0.152
劣势流动资金紧张0.10-3威胁新的替代产品出现0.25-2
生产设备较落后0.10-2竞争对手结盟0.25-1
销售渠道不畅通0.20-3
【问题】

根据咨询公司对A产品的市场分析结论,判断A产品处于产品生命周期的哪个阶段。

题型:单项选择题

分部解体

题型:单项选择题

下列各句中没有语病、句意明确的一项是( )。

A.看着这些我国自己制造的,具有世界先进水平的科技展品,无不使人感到万分自豪
B.总经理在协调会上宣布,拓展开发部对经营销售部的那些捕风捉影的指责,将一概不予理睬
C.我在南美洲看到的关于生物的地理分布和现存生物与古生物在地质上的关系,给我留下了深刻的印象
D.要从根本上改变语文教学内容多而杂的状况,就必须切实转变思想观念,冲出应试教育的误区不可

题型:单项选择题

Every summer, Jean Piaget retreats to his cabin in the Alps, where he spends most of his days analyzing the mass of research data generated over the past year at his Center for Genetic Epistemology. During long walks along the mountain trails, he mulls over the latest experimental results, and in the cool mountain evenings, he formulates his conclusions. With the approach of fall, he will descend from the mountain, manuscript for a book and several journal articles in hand. This time-honored procedure of careful observation followed by seclusion for thought and synthesis, has enabled him to become the most prolific, if not the most famous psychologist of the century.
Piaget has only been widely known in this country since the 1960s, when his works were translated from their original French. But he has been recognized as an expert in the field of cognitive development in Europe since the 1930s. In fact, Piaget’s publishing career can be traced to the year 1906, when as a child of ten, he published his careful notes on the habits of an albino sparrow he observed near his home in Switzerland. After his precocious debut as an ornithologist, he took an after school job at the local natural history museum, soon becoming an expert on mollusks. At the age of sixteen he was recommended for a curator’s position at the natural history museum in Geneva, but declined in favor of continuing his education.
He studied natural science at the University of Neuchatel, obtaining his doctorate at the age of twenty-one. His readings in philosophy stimulated an intense interest in epistemology-the study of humans acquire knowledge. Convinced that cognitive development had a genetic basis. Piaget decided that the best way to approach epistemology would be through its behavioral and biological components. Psychology appeared to be the discipline that best incorporated this approach.

According to the passage, Piaget went to the mountains every summer to

A.collect data for his research.

B.avoid the city heat and enjoy the cool weather.

C.live in his cabin where he could analyze the data he collected there.

D.analyze his research data he had collected before.

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