单选题大叶性肺炎发生肺肉质变的主要原因

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单选题血清中能检出抗HAV IgM的时间是

单选题早期大肠癌最常见的肉眼类型是

单选题Shortly after September 11th, President Bush's father observed that just as Pearl Harbor awakened this country from the notion that we could somehow avoid the call of duty to defend freedom in Europe and Asia in World War Two, so, too, should this most recent surprise attack erase the concept in some quarters that America can somehow go it alone in the fight against terrorism or in anything else for that matter. But America's allies have begun to wonder whether that is the lesson that has been learned--or whether the Afghanistan campaign's apparent success shows that unilateralism works just fine. The United States, that argument goes, is so dominant that it can largely afford to go it alone. It is true that no nation since Rome has loomed so large above the others, but even Rome eventually collapsed. Only a decade ago, the conventional wisdom lamented an America in decline. Bestseller lists featured books that described America's fall. Japan would soon become "Number One". That view was wrong at the time, and when I wrote "Bound to Lead" in 1989, I, like others, predicted the continuing rise of American power. But the new conventional wisdom that America is invincible is equally dangerous if it leads to a foreign policy that combines unilateralism, arrogance and parochialism. A number of advocates of "realist" international-relations theory have also expressed concern about America's staying-power. Throughout history, coalitions of countries have arisen to balance dominant powers, and the search for traditional shifts in the balance of power and new state challengers is well under way. Some see China as the new enemy; others envisage a Russia-China-India coalition as the threat. But even if China maintains high growth rates of 6% while the United States achieves only 2%, it will not equal the United States in income per head until the last half of the century. Still others see a uniting Europe as a potential federation that will challenge the United States for primacy. But this forecast depends on a high degree of European political unity, and a low state of transatlantic relations. Although realists raise an important point about the leveling of power in the international arena, their quest for new cold-war-style challengers is largely barking up the wrong tree. They are ignoring deeper changes in the distribution and nature of power in the contemporary world. The paradox of American power in the 21st century is that the largest power since Rome cannot achieve its objectives unilaterally in a global information age.

单选题关于幽门螺杆菌感染的流行病学，下列哪项叙述是不正确的

单选题患者，女性，56岁

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单选题下列有关饮食治疗的说明，不正确的是

单选题系统性红斑狼疮的治疗，以下描述不正确的是

单选题患者，女，55岁，慢性咳嗽、咳痰、气喘15年。肘静脉压20cmH 2 O。胸部X线示：肺动脉段中度突出，右心室增大。最可能的诊断是

单选题不符合流行性脑脊髓膜炎的捕述是

单选题目前初治肺结核合并糖尿病患者，在积极治疗糖尿病时抗结核方案及疗程为

单选题慢性胃炎的主要病因是

单选题中心性肺痛与肺门淋巴结结核鉴别，最好的手段是（ ）

单选题下列关于热射病患者的降温措施中，采用的是（ ）

单选题下列关于肝性脑病的诊断，正确的是

单选题女，38岁，肝硬化5年，1周来畏寒发热，体温在38℃左右，全腹痛，腹部明显膨隆，尿量500ml／／日。对该患者疾病诊断最有意义的体征是

单选题 血中直接调节胰岛素分泌而且经常起调节作用的重要因素是 A、游离脂肪酸 B、血糖浓度 C、肾上腺素 D、胃肠道激素 E、血酮体浓度

单选题非化脓性炎性疾病是