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
2012-10-23
52
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.
【C8】
选项
A、compulsory
B、essential
C、necessary
D、vital
答案
C
解析
necessary必要的,强迫的。compulsory必修的,被强制的。essential基本的,主要的,实质的。Vital生命的,至关重要的。
转载请注明原文地址:https://kaotiyun.com/show/ZF9O777K
0
考博英语
相关试题推荐
Beforethemid-nineteenthcentury,peopleintheUnitedStatesatemostfoodsonlyinseason.Drying,smoking,andsaltingcould
Eachforitsownreason,thestudyofresidentialmobilityhasbeenaconcernofthreedisciplines:sociology,economics,andg
Theeffectofthebabyboomontheschoolshelpedtomakepossibleashiftinthinkingabouttheroleofpubliceducationinthe
Theeffectofthebabyboomontheschoolshelpedtomakepossibleashiftinthinkingabouttheroleofpubliceducationinthe
Theeffectofthebabyboomontheschoolshelpedtomakepossibleashiftinthinkingabouttheroleofpubliceducationinthe
ForthepeoplewhohavenevertraveledacrosstheAtlanticthevoyageisafantasy.Butforthepeoplewhocrossitfrequentlyo
ForthepeoplewhohavenevertraveledacrosstheAtlanticthevoyageisafantasy.Butforthepeoplewhocrossitfrequentlyo
HowtoGetPreservedasaFossil【71】Unfortunatelythechancesofanyanimalbecomeafossilarenotverygreat,and【72】the
InhistypicallyAmericanopenstyleofcommunication,Mr.HayesconfrontedIsabetaaboutnotlookingathim.Reluctantly,shee
Everhearofthelemming?Lemmingsarearcticrat-likeanimalswithveryoddhabits:periodically,forunknownreasons,theymas
随机试题
患者,女,39岁。饮食稍有不慎即发呕吐,时作时止面色无华,少气懒言,纳呆便溏,舌淡苔薄,脉弱,治疗时宜配合
A.经营者的义务B.消费者协会的义务C.消费者的权利D.国家对消费者的权益保护在购买、使用商品和接受服务时享有人身、财产安全不受损害的权利为()
下列选项中,属于CRM功能的有()。
已知矩阵A=,则A的秩r(A)=
投资控制追求的最高目标是( )。
在下列情形中,代理人应向被代理人承担民事责任的有()。
下列法律事实中,属于法律行为的是()
背景某机场助航灯光变电站工程的土建及电气设备安装工程由A单位总承包,并在施工合同中照明电气设备安装工程中柴油发电机组的安装通过招标另行发包给B设备安装公司,设备由业主选定的供应商负责将设备运至施工现场,具体操作由该公司负责。A单位如何对B设备安装公司
Thefirstparagraphpointsoutthatoneoftheadvantagesofafamilywithbothparentsis______.AccordingtoParagraph3,on
A、ThegroupofoldpeopledidbestinEnglishclasses.B、Theoldgroupdidnotperformaswellastheyounggroup.C、Theyoungg
最新回复
(
0
)