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
考研
A major reason for conflict in the animal world is territory. The male animal (21) an area. The size of the area is sufficient t
A major reason for conflict in the animal world is territory. The male animal (21) an area. The size of the area is sufficient t
admin
2009-05-21
85
问题
A major reason for conflict in the animal world is territory. The male animal (21) an area. The size of the area is sufficient to provide food for him, his (22) and their offspring. Migrating birds, for example, (23) up the best territory in the order of "first come, first (24) ." The late arrivals may acquire (25) territories, but less food is available, or they are too close to the (26) of the enemies of the species. (27) there is really insufficient food or the danger is very great, the animal will not (28) . In this way, the members of the species which are less fit will not have offspring.
When there is conflict (29) . territory, animals will commonly use force, or a (30) of force, to decide which will stay and which will go. It is interesting to note, however, that animals seem to use (31) the minimum amount of force (32) to drive away the intruder. There is usually no killing. In the (33) of those animals which are capable of doing each other great harm, (34) is a system for the losing animal to show the winning animals that he (35) to submit. When he shows this, the (36) normally stops fighting. Animals (especially birds) , which can easily escape from conflict seem to have (37) obstacle against killing, and equally no mechanism (38) submission. The losing bird simply flies away. However, if two doves are (39) in a cage, and they start fighting, they will continue to fight until one kills the other. We all think of the dove as a symbol of peace and, in its natural habitat, it is peaceful. But the "peace" mechanism does not (40) in a cage.
选项
A、But
B、If
C、Since
D、Because
答案
B
解析
本题测试语法。there is really insufficient food or the danger is very great只是一种假设,并不是实际情况,所以应选if。
转载请注明原文地址:https://kaotiyun.com/show/wCe4777K
0
考研英语二
相关试题推荐
ThewriterwarnsAmericansthat______.Thewritergivestheexampleofbreadtoshowthat______.
Whichofthefollowingcanbethebesttitleofthispassage?Accordingtothepassage,whydoesadrinkbringseriousresults
IthasbeenawretchedfewweeksforAmerica’scelebritybosses.AIG’sMauriceGreenberghasbeendramaticallyoustedfromthef
Itlookedjustlikeanotheraircraftfromtheoutside.Thepilottoldhisyoungpassengersthatitwasbuiltin1964.Butappear
Conveniencefoodhelpscompaniesbycreatinggrowth;butwhatisitseffectonpeople?Forpeoplewhothinkcookingwasthefoun
Itlookedjustlikeanotheraircraftfromtheoutside.Thepilottoldhisyoungpassengersthatitwasbuiltin1964.Butappear
Insomeplaces,ithashelpedcurbcorruption,encouragedmoregirlstogotoschoolandenabledcitizenstomonitorelectionvi
[A]Gowithwhatfeelsright[B]Acknowledgeyourblunders[C]Donotbeyourownenemy[D]Immerseyourselfinself-ed
Whilemanyworkersarewillingtolearnnewskillsorcompletelyretraintoimprovetheirfutureemployability,fewfeeltheyar
Onceacirclemissedawedge.Thecirclewantedtobewhole,soitwentaroundlookingforitsmissingpiece.Butbecauseitwas
随机试题
预防和早期发现内膜癌的措施不包括()
本病例最可能的诊断为下列急救措施不妥当的是
患者脘腹痞满疼痛,下痢赤白,里急后重,舌苔黄腻,脉沉实。治疗应选用
在下列常用的市场预测方法中,仅适用于短期预测范围内的方法是()。
针对旅游活动出现的新趋势,导游服务必须有新的改观,以适应未来旅游业发展的需要,未来旅游活动发展趋势是()。
下列哪些选项属于我国在政府体制内的家庭社会工作?( )
以下哪句是没有语病的?()
“谈梅生津”属于______反射。(2014.湖北)
材料一:2016年春节期间,媒体上、公众间对于年味变淡的讨论似乎少了许多。由于互联网对人们日常生活的持续影响与渗透,人们似乎已渐渐接受互联网对传统春节的影响与改变。办年货,不再去市场、实体商店,而是通过网购完成;写春联,也不再自己绞尽脑汁想了,而
在关系数据库设计中,关系模式设计属于
最新回复
(
0
)