首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
In the past few decades, remarkable findings have been made in ethology, the study of animal social behavior. Earlier scientists
In the past few decades, remarkable findings have been made in ethology, the study of animal social behavior. Earlier scientists
admin
2017-03-25
59
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.
【C10】
选项
A、varied
B、deviated
C、differed
D、altered
答案
D
解析
D项alter意为“改变,更改”,相当于change,符合题意。A项vary意为“变化,使不同(强调范围变化)”,vary from…to…意为“从……到……不等;在……到……之间”,例如:The temperature varies from time to time.温度常常变化。B项deviate意为“越出正轨,违反”。C项differ意为“使相异”。
转载请注明原文地址:https://kaotiyun.com/show/xiGO777K
0
考博英语
相关试题推荐
Themarvelofthemachineage,theelectroniccomputerhasbeen【C1】______onlysince1946.Itcandosimplecomputations—add,s
EndangeredSpeciesEndangeredspeciesareplantsandanimalsthatareinimmediatedangerofextinction.Extinctionisactua
Asurveywascarriedoutonthedeathrateofnew-bornbabiesinthatregion,______weresurprising.
NowillegalcopiesofmusicCDs______lossesofabout$300millioninsalesannuallyand$65millionlostgovernmenttaxreven
Theideawasjustbeginningto______inAmericaandweknewthatitwasgoingtobecomethewaythatretailingcompanieswerer
AUNofficialsaidthataidprogramswouldbe_____untiltherewasadequateprotectionforreliefconvoy.
Securityandcommodityexchangesaretradingpostswherepeoplemeetwhowishtobuyandsell.Theexchangesthemselvesdonotr
Securityandcommodityexchangesaretradingpostswherepeoplemeetwhowishtobuyandsell.Theexchangesthemselvesdonotr
RetailersAoffereddeepBdiscountsandextrahoursthisweekendCinthebidDtolureshoppers.
随机试题
某机关办公楼会议室需进行装饰装修,该办公室层高4.5m,吊顶高度2.6m。装饰设计要求采用轻钢龙骨双层石膏板吊顶,局部人造饰面板造型吊顶,顶棚内含有路和线。施工中对人造饰面板的内、外表面以及相应木龙骨涂覆了一级饰面型防火涂料。该办公楼共有会议室6间,每间面
A.老年B.角膜带状变性C.格子状角膜营养不良D.颗粒状角膜营养不良E.Fuch角膜内皮营养不良角膜后弹性层呈散在灶性增厚()
甲实施了刑法侵犯著作权的行为,又销售该侵权复制品,违法所得数额巨大。甲的行为应属于()。
导游人员的法律义务是指导游人员必须依法履行的责任,包括必须做出的行为和不得做出的行为。()
马克思主义中国化的实质是()
有三个关系R、S和T如下:其中关系T由关系R和S通过某种操作得到,该操作为()。
TheweatherwasniceinTrumbullCountyonSaturdayevening.AmandaSymcheckwashavingapartyinthebasementwhenthestorm
A、 B、 C、 C
环境保护
A、Thosepeoplediscoveredthehurricanesfirst.B、It’seasytotellhurricanesapart.C、Thosepeoplearepopstars.D、Thosepeop
最新回复
(
0
)