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
A major reason for conflict in the animal world is territory. The male animal establishes an area. The size of the area is suffi
A major reason for conflict in the animal world is territory. The male animal establishes an area. The size of the area is suffi
admin
2012-05-18
30
问题
A major reason for conflict in the animal world is territory. The male animal establishes an area. The size of the area is sufficient to provide food for him,his mate and their offspring. Migrating birds,for example,used up the best territory in the order of’first come,first【C1】______. "The late arrivals may acquire【C2】______territories,but less food is available.or they are too close to the【C3】______of the enemies of the species.【C4】______there is really insufficient food or the danger is very great,the animal will not【C5】______. In this way,the members of the species which are less fit will not have offspring. When there is conflict【C6】______territory,animals will commonly use force,or a show of force,to decide which will stay and which will go. It is interesting to note,【C7】______.that animals seem to use only the minimum amount of force【C8】______to drive away the intruder. There is usually no killing. In the case of those animals which are capable of【C9】______each other great harm,【C10】______is a system for the losing animal to show the winning animal that he wishes to submit. When he shows this,the victor normally stops fighting.
【C10】
选项
A、this
B、that
C、it
D、there
答案
D
解析
此处为there be结构,表示”有”。答案是D。
转载请注明原文地址:https://kaotiyun.com/show/bHnO777K
0
考博英语
相关试题推荐
Theview(which)elementsofaculturearetobeunderstoodandjudged(intermsof)theirrelationshipto(thecultureasawho
Theonlysafewayofdistinguishingbetweenedibleandpoisonousmushroomsistolearnto______theindividualspecies.
Americanshadalwaysbeenpreoccupiedwithreformingtheirsociety,with"makingitover,"andbetweenthe1890sandtheendof
Ifhe(wastocome)herethisafternoon,I(shouldask)himtogototheparty(heldby)student(union).
ThereisextraordinaryexposureintheUnitedStatestotherisksofinjuryanddeathfrommotorvehicleaccidents.Morethan8
Despitetheirmanydifferencesoftemperamentandofliteraryperspective,Emerson,Thoreau,Hawthorne,Melville,andWhitmansh
Althoughthespeakerwasawell-knownpersonality,hisspeechwaspoorly______.
Japanesescientistsareatlastactivelyenteringthedebateoverthegovernment’scontroversialreformplan,whichtargetsnot
Thewordscienceisheardsoofteninmoderntimesthatalmosteverybodyhassomenotionofitsmeaning.Ontheotherhand,its
FamedsingerSteveWondercan’tseehisfansdancingathisconcerts.Hecan’tseethehandsofhisaudienceastheyapplaudwild
随机试题
出现某些难以控制的不必要的担心,这属于()
法律关系主体包括()或其他组织。
()被视为最具权威性的股份指数,也被认为是反映美国政治、经济和社会最灵敏的指标。
新设立的风景名胜区与自然保护区不得重合或者交叉。()
根据对联的类别,“海纳百川,有容乃大;壁立千仞,无欲则刚”是()。
随着老龄化的加速,我国养老问题日益引人关注。最新的统计资料表明,我国企业退休人员已超过6000万人,基本养老金人均每月1700多元,能够维持基本生活需要;农村老人主要依靠自身劳作、每月55元或更多的养老金,以及子女能够提供的赡养费等勉强过日子,生不起病。城
当怀揣着航海计划的哥伦布同西班牙王室讨价还价时,伊莎贝尔女王在谈判中接受了这个普通百姓的热切要求。为了资助哥伦布的远航,女王甚至卖掉了自己王冠上的珠宝。但是,她由此赢回了更加辉煌的王冠,那是世界霸主的桂冠。为本文段加一个标题,最适合的是()。
将一个表面积为18平方厘米的正方体沿对角线切成两块对称的三棱柱(见右图),并将这两块三棱柱重新拼接成一个大的三棱柱。则这个大三棱柱的表面积最大为()平方厘米。
神经冲动在神经元之间的传递是借助()实现的。
Mancannotgoonincreasinghisnumberatthepresentrate.Inthe【C1】______30yearsmanwillfaceaperiodofcrisis.【C2】______
最新回复
(
0
)