- 化学键与化学反应中能量变化的关系
- 共996题
What can be inferred from the passage
A.Theorists tend to look cool and irrational because of their disdain for the public speculation.
B.People consider theorists separately because they are the rare and fascinating species scientifically.
C.As a matter a fact, theorists are full of strong feelings and obsessed with their research.
D.It is suggested that we tolerate theorists not out of our sense of humanity but for our selfish interests.
正确答案
B
解析
[解析] 推理判断题。第一段第二句说明了人们把理论家与其他科学家区分开来的原因,因为他们是最罕见、最令人着迷和最重要的科学家(Theorists are considered separately,since they are the rarest,most fascinating,and most important of the species scientists.),[B]项与原文内容一致,故为答案。第二段最后一句,理论家轻视与观众的接触(only their contempt for contact with the spectators),[A]项中的public speculation(大众期望)是对spectators的误解;[C]项中obsessed with their research(沉迷于研究)与原文中的 irrational…attachment to particular views(不理智地执著于某些观点)有出入;[D]是作者对George Bernard Shaw观点的解释,不代表作者自己的观点。
From the last paragraph we know that ______.
A.forgetfulness is a response to learning
B.the memory storage system is an exactly balanced input--output system
C.memory is a compensation for forgetting
D.the Capacity of a memory storage system is limited because forgetting occurs
正确答案
A
解析
[解析] 推理判断题。最后一段第二、三两句指出,学习与忘却之间不断地进行调节,忘却率与学习的多少也有关联,由此可以推断出,忘却是对学习的一种反应;[B]选项说法过于绝对,记忆是个输入输出平衡系统只是当代的一种模型。[C]和[D]的内容都在文中找不出推理的依据。
男,32岁。突发上腹剧痛2小时,蔓延至右下腹及全腹。既往有“胃痛”病史十余年,未诊治。查体:板块腹,压痛、反跳痛(+),肝浊音界消失,首选的检查方法是
正确答案
解析
本题考胃十二指肠溃疡急性穿孔的诊断及治疗。典型的板状腹、肝浊音界消失可考虑本病。立位腹部X线平片膈下可见新月状游离气体影。穿孔后6-9小时细菌开始繁殖,逐渐形成化脓性腹膜炎。非手术治疗以禁食和胃肠减压为主。
患者,女,49岁。.发现右乳外上象限无痛、单发、质硬、边界欠清肿块。最常见的疾病是
正确答案
解析
乳腺癌多位于乳腺外上象限,为无痛性单发肿块,质硬且边界不清,活动度差。患者发现右乳外上象限无痛、单发、质硬、边界欠清肿块,符合乳腺癌的特征,故选B。
患者,女,62岁。诊断胃癌,血压160/lOOmmHg,中度贫血,消瘦,术前准备不必要的项目是
正确答案
解析
胃癌手术术前对于血压的要求:血压在160/100mmHg以下不必做特殊准备,血压过高者,用药使血压平稳在一定水平,但不要求降至正常水平。故选D。
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