学科分类

已选分类 医学基础医学病理学与病理生理学
单选题单纯癌是一种( )
进入题库练习
单选题预后较好的肝癌为
进入题库练习
单选题恶性肿瘤最本质的表现是
进入题库练习
单选题 可促进醛固酮分泌的因素是 A、 血管紧张素Ⅱ增多 B、 血NA、+增多 C、 血K+降低 D、 血量增多 E、 血压升高
进入题库练习
单选题细菌性痢疾导致的肠溃疡呈
进入题库练习
单选题卵巢成熟性畸胎瘤多呈
进入题库练习
单选题下列各项中,与组织液生成无关的因素是
进入题库练习
单选题 机体处于寒冷环境下,甲状腺激素分泌增多是由于( ) A、神经调节 B、体液调节 C、神经-体液调节 D、自身调节 E、反射调节
进入题库练习
单选题关于神经纤维静息电位的形成机制,下述哪项是错误的
进入题库练习
单选题Ca 2+ 通过细胞膜的转运方式主要为
进入题库练习
单选题 肺活量等于( ) A、潮气量与补呼气量之和 B、潮气量与补吸气量之和 C、潮气量与补吸气量和补呼气量之和 D、潮气量与余气量之和 E、肺容量与补吸气量之差
进入题库练习
单选题下列可以发生坏疽的病变是
进入题库练习
单选题下列哪种物质既是储能物质,又是直接的供能物质
进入题库练习
单选题不符合恶性纤维组织细胞瘤的描述是
进入题库练习
单选题透明血栓主要发生的组织部位是
进入题库练习
单选题There is a difference between science and technology. Science is a method of answering (1) questions; technology is a method of solving practical problems. Science has to do with discovering the facts and relationships between (2) phenomena in nature and with establishing theories that (3) to organize these facts and relationships; technology has to do with tools, techniques, and (3) for applying the findings of science. Another (5) between science and technology has to do with the progress in each. Progress in science (6) the human factor. Scientists, who seek to understand the universe and know the truth within the highest degree of (7) and certainty, cannot (8) their own or other people's likes or dislikes or to popular ideas about the fitness of things. What scientists discover may shock or (9) people-as did Darwin's theory of evolution. But even an unpleasant truth is (10) than likely to be useful; besides, we have the choice of refusing to believe it! But (11) so with technology; we do not have the choice of refusing to hear the sound produced by a supersonic aircraft flying overhead; we cannot refuse to breathe polluted air. (12) science, progress in technology must be measured (13) the human factor. The purpose of technology is to serve people—people (14) , not merely some people; and future generations, not merely those who presently wish to (15) advantage for themselves. We are all familiar with the (16) use of technology. Many people blame technology itself (17) widespread pollution, resource depletion (枯竭) and even social decay in general—so much (18) the promise of technology is " (19) " That promise is a cleaner and healthier world. If wise applications of science and technology do not (20) a better world, what else will?
进入题库练习
单选题心房颤动时,左心房内的球形血栓是
进入题库练习
单选题A.线粒体B.高尔基体C.胞液D.内质网
进入题库练习
单选题肠腔内胆盐达到一定浓度后可聚合形成
进入题库练习
单选题对于特异感觉投射系统的描述,恰当的是
进入题库练习