单选题发生直立性低血压的主要生理原因是 A.静脉回心血量减少 B.外周血管舒张 C.压力感受性反射敏感性降低 D.化学感受性反射敏感性降低

单选题肺褐色硬化是下列哪种疾病的形态改变( )(2007年)

单选题人工呼吸的原理是人为地造成( ) A．肺内压与胸膜腔内压之间的压力差 B．肺内压与腹内压之间的压力差 C．胸膜腔内压与大气压之间的压力差 D．大气压与腹内压之间的压力差 E．肺内压与大气压之间的压力差

单选题氯霉索可抑制原核生物的蛋白质合成，其原因是

单选题经血不凝固的原因是( ) A．内含肝素 B．内含组胺 C．内含纤维蛋白溶酶 D．内含维生素K

单选题A．神经调节B．体液调节C．自身调节D．神经-体液调节 (2012年)

单选题动脉舒张压的高低主要反映( )(2002年)

单选题与动脉粥样硬化斑块形成有关的细胞是

单选题 反射活动后放现象的结构基础是神经元之间的 A、 链琐状联系 B、 环状联系 C、 辐散式联系 D、 聚合式联系 E、 侧支式联系

单选题哪项不属于继发性结核病的类型 A．局灶型肺结核 B．急性粟粒性肺结核 C．浸润性肺结核 D．慢性纤维空洞型肺结核 E．结核球

单选题A．去极化型慢电位B．耳蜗内电位C．听神经动作电位D．耳蜗微音器电位

单选题当外周阻力和心率不变，每搏量减少对下列哪项影响不明显

单选题中毒性痢疾可导致

单选题O 2 分压最高的部位在______

单选题引起肾盂肾炎的最常见致病菌是

单选题Is the literary critic like the poet, responding creatively, intuitively, subjectively to the written word as the poet responds to human experience? Or is the critic more like a scientist, following a series of demonstrable, verifiable steps, using an objective method of analysis? For the woman who is a practitioner of feminist literary criticism, the subjectivity versus objectivity, or critic-as-artist-or-scientist, debate has special significance; for her, the question is not only academic, but political as well, and her definition will provoke special risks whichever side of the issue it favors. If she defines feminist criticism as objective and scientific--a valid, verifiable, intellectual method that anyone, whether man or woman, can perform--the definition not only makes the critic-as-artist approach impossible, but may also hinder accomplishment of the utilitarian political objectives of those who seek to change the academic establishment and its thinking, especially about sex roles. If she defines feminist criticism as creative and intuitive, privileged as art, then her work becomes vulnerable to the prejudices of stereotypic ideas about the ways in which women think, and will be dismissed by much of the academic establishment. Because of these prejudices, women who use an intuitive approach in their criticism may find themselves charged with inability to be analytical, to be objective, or to think critically. Whereas men may be free to claim the role of critic-as-artist, women run different professional risks when they choose intuition and private experience as critical method and defense. These questions are political in the sense that the debate over them will inevitably be less an exploration of abstract matters in a spirit of disinterested inquiry than an academic power struggle, in which the careers and professional fortunes of many women scholars only now entering the academic profession in substantial numbers will be at stake, and with them the chances for a distinctive contribution to humanistic understanding, a contribution that might be an important influence against sexism in our society. As long as the academic establishment continues to regard objective analysis as "masculine" and an intuitive approach as "feminine," the theoretician must steer a delicate philosophical course between the two. If she wishes to construct a theory of feminist criticism, she would be well advised to place it within the framework of a general theory of the critical process that is neither purely objective nor purely intuitive. Her theory is then more likely to be compared and contrasted with other theories of criticism with some degree of dispassionate distance.

单选题妊娠早期维持黄体功能的主要激素是______

单选题超急性排斥反应时，血管病变的特点是( )(2008年)

单选题下列不符合亚急性细菌性心内膜炎的是

单选题A．Lac阻遏蛋白B．RNA聚合酶C．环腺苷酸D．异乳糖