皮皮学，免费搜题
登录
搜题
【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．
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】二、定义判断。共10题。每道题先给出一个概念的定义，然后分别列出四种情况，要求你严格依据定义从中选出一个最符合或最不符合该定义的答案。注意：假设这个定义是正确的，不容置疑的。 第 61 题 无过错责任原则，是指不问行为人主观上是否有过错，只要其行为与损害后果间存在因果关系，就应承担民事责任的归责原则。 根据以上定义，以下属无过错责任原则的是（ ）。
A.
正当防卫超过必要限度，造成不应有的损害的，应当承担适当的民事责任
B.
因产品存在缺陷造成人身损害的，不管生产者主观上是否有过错，都应当承担赔偿责任
C.
对消费者实施欺诈行为的，应双倍赔偿损失
D.
侵权行为发生时，行为人不满18周岁，在诉讼时如已满18周岁的，如果有经济能力，则应当承担民事责任
【单选题】为休克患者留置导尿管最主要的目的是（）
A.
保持床单位清洁干燥，使患者舒适
B.
引流尿液，促进有毒物质的排泄
C.
收集尿标本，作细菌培养
D.
避免尿液潴留在膀胱内
E.
测尿量及比重，了解肾血流灌注情况
【简答题】在赛珍珠纪念馆展出了多少件文物?
相关题目：
参考解析：
知识点：
题目纠错 0
发布
