首页
登录
职称英语
In the past few decades, remarkable findings have been made in ethology, the
In the past few decades, remarkable findings have been made in ethology, the
游客
2025-04-05
12
管理
问题
In the past few decades, remarkable findings have been made in ethology, the study of animal social behavior. Earlier scientists had【C1】______that nonhuman social life was almost totally instinctive or fixed by genetics. Much more careful observation has shown that【C2】______variation occurs among the social ties of most species, showing that learning is a part of social life. That is, the【C3】______are not solely fixed by the genes.【C4】______, the learning that occurs is often at an early age in a process that is called imprinting. Imprinting is clearly【C5】______instinctive, but it is not quite like the learning of humans; it is something in between the two. An illustration best【C6】______the nature of imprinting. Once, biologists thought that ducklings followed the mother duck because of instincts. Now we know that, shortly【C7】______they hatch, ducklings fix【C8】______any object about the size of a duck and will henceforth follow it. So ducklings may follow a basketball or a briefcase if these are【C9】______for the mother duck at the time when imprinting occurs. Thus, social ties can be considerably【C10】______, even ones that have a considerable base【C11】______by genetics.
Even among the social insects something like imprinting【C12】______influence social behavior. For example, biologists once thought bees communicated with others purely 【C13】______instinct. But, in examining a "dance" that bees do to indicate the distance and direction of a pollen source, observers found that bees raised in isolation could not communicate effectively. At a higher level, the genetic base seems to be much more for an all-purpose learning rather than the more specific responses of imprinting. Chimpanzees, for instance, generally【C14】______very good mother but Jane Goodall reports that some chimps carry the infant upside down or【C15】______fail to nurture the young. [br] 【C4】
选项
A、What’s more
B、Hence
C、But
D、However
答案
D
解析
A项What’s more表示递进;B项Hence意为“因此,所以”,表示因果关系。文中上段提到“学习是动物的社会生活的部分”,第二段接着讲“学习发生在动物小时候的印象中期”,两段间不存在递进或因果关系。But在表转折时般不与句子分开,所以D项However为正确答案。
转载请注明原文地址:https://tihaiku.com/zcyy/4027090.html
相关试题推荐
Inthepastfewdecades,remarkablefindingshavebeenmadeinethology,the
Inthepastfewdecades,remarkablefindingshavebeenmadeinethology,the
Inthepastfewdecades,remarkablefindingshavebeenmadeinethology,the
Inthepastfewdecades,remarkablefindingshavebeenmadeinethology,the
Inthepastfewdecades,remarkablefindingshavebeenmadeinethology,the
Inthepastfewdecades,remarkablefindingshavebeenmadeinethology,the
Inthepastfewdecades,remarkablefindingshavebeenmadeinethology,the
Inthepastfewdecades,remarkablefindingshavebeenmadeinethology,the
Inthepastfewdecades,remarkablefindingshavebeenmadeinethology,the
Linguistshaveunderstoodfordecadesthatlanguageandthoughtareclosely
随机试题
(浙江大学2009年试题)Teachersneedtobeawareoftheemotional,intellectual,and
Althoughfewwoulddenythatit’sbettertoberichthanpoor,forsomepeop
[originaltext]W:Hmm,hi.M:Hi,Iamgoingdoortodoortonighttotellpeople
Idon’twantto____________(冒险去尝试)this.take/runtheriskofdoing本题是考查“冒险做某事”:
队列研究属于以下哪种流行病学研究方法()A.描述性研究 B.分析性研究 C
"下膈,历络三焦"的经脉是A.手少阴心经 B.手太阴肺经 C.手厥阴心包经
下列关于白血病的叙述,错误的是A:急性白血病患者骨髓增生明显活跃,原始和早期幼稚
下列哪项不是溶栓治疗的监测指标A.TTB.PTC.TAT测定D.FDP测定E.F
烧伤包扎疗法的缺点是()。A.适用于小面积烧伤 B.利于引流 C.保护创面
直流保护电器出厂验收要求中,当采用短路短延时保护时,直流断路器额定短时耐受电流应
最新回复
(
0
)