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【多选题】
Read the first sentence of a summary of the passage．Complete the summary by selecting the THREE answer choices that express the most important ideas in the passage．Some sentences do not belong in the summary because they express ideas that are not presented in the passage or are minor ideas in the passage．This question is worth 2 points． Population ecology is the science of populations and the factors that influence them． ______ ______ ______ Answer ChoicesA.
A population is affected by its size，density, and dispersion, as well as the relationships among its members．
B.
Dispersion of individuals in a population may be clumped, uniform, or random，as determined by environmental and social factors．
C.
Clumping is related to safety；for example, fish swim in large schools to reduce their chances of being eaten by predators．
D.
Most populations have either clumped or uniform. distribution because random spacing is rare in nature．
E.
Populations change in density and dispersion as they respond to changes in environmental conditions and resource availability.
F.
If a population has an abundant food supply and a suitable habitat, it will not undergo evolutionary change．
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【单选题】根据《互联网药品交易服务审批暂行规定》,关于互联网药品交易的说法,错误的是
A.
对首次上网交易的药品经营企业,提供互联网药品交易服务的企业必须索取审核该经营企业的资格证明文件并进行备案
B.
药品批发企业通过自身网站可以为其他批发企业经营的药品提供互联网交易服务
C.
向个人消费者提供互联网药品交易服务的企业只能在网上销售本企业经营的非处
D.
参与互联网药品交易的医疗机构只能购买药品,不得上网销售药品
E.
擅自从事互联网药品交易服务的企业,情节严重的,药品监督管理部门应移交信息产业主管部门依法处罚
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A.
原发性肝癌
B.
肝硬化
C.
肝脓肿
D.
脂肪肝
E.
慢性肝炎
【单选题】下列关于拔除胸腔引流管错误的是
A.
引流后24～48h内水柱停止波动可拔除
B.
经X线检查肺膨胀良好者可拔除
C.
在病人深吸气后屏气拔除
D.
拔管后应观察病情
E.
拔管后应用凡士林纱布和无菌纱布覆盖伤口
【单选题】女性,40岁,右上腹疼痛伴腹胀,消瘦3月余入院。查体示:肝脏肿大,质地硬,有触痛,表面有结节感。该患者首先考虑的疾病是:
A.
原发性肝癌
B.
肝硬化
C.
肝脓肿
D.
脂肪肝
E.
慢性肝炎
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