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
127
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、compulsory
B、essential
C、necessary
D、vital
答案
C
解析
本题测试词义搭配。compulsory意为“强制的,必须做的”;essential意为“根本的,基本的”;necessary意为“必要的,必需的”,指达到某种目的而必需具备的;vital意为“极其重要的,生死攸关的”。所填之词修饰force,根据后面的drive away the intruder可知,应选C。
转载请注明原文地址:https://kaotiyun.com/show/ACe4777K
0
考研英语二
相关试题推荐
Weshouldconcentrateonsharplyreducinginterestratestopulltheeconomyoutof______.
Thebesttitleforthispassagewouldbe______.Defenseattorneysarevitaltothejudicialsystembecausewithoutthem,itwo
IwasaddressingasmallgatheringinasuburbanVirginialivingroom-awomen’sgroupthathadinvitedmentojointhem.Through
Thecellphone,adevicewehavelivedwithformorethanadecade,offersagoodexampleofapopulartechnology’sunforeseensi
CopyingBirdsMaySaveAircraftFuelBothBoeingandAirbushavetrumpetedtheefficiencyoftheirnewestaircraft,the787
Johnwasveryupsetbecausehewas______bythepolicewithbreakingthelaw.
Despiteyourbestintentionsandefforts,itisinevitable:Atsomepointinyourlife,youwillbe【C1】______.Mistakescanbeh
Whiletherearerivalcontenders,thetitleoftheworld’sfirstdepartmentstorebelongs,perhaps,toHarding,Howell&Co’sGr
Whilemanyworkersarewillingtolearnnewskillsorcompletelyretraintoimprovetheirfutureemployability,fewfeeltheyar
Whilemanyworkersarewillingtolearnnewskillsorcompletelyretraintoimprovetheirfutureemployability,fewfeeltheyar
随机试题
学习策略
哮喘发作与食物有关因素
患者,男,32岁。3日来头痛如裹,痛无休止,肢体困重,苔白腻,脉濡。针刺治疗的配穴为
某小学有大批的学生发生不明原因的腹泻,为了寻找病因及流行的线索。通过第一步的研究,结果提示大批学生的腹泻可能与饮用了某厂生产的饮料有关。下一步最好采取
初产妇,妊娠38周。合并心脏病已临产。心率100次/分,心功能Ⅲ级,骨盆测量正常。宫口开大5cm,正枕前位,先露S+1。最适宜的分娩方式是
某演出公司进口舞台设备一套,实付金额折合人民币185万元,其中包含单独列出的进口后设备安装费10万元、中介经纪费5万元;运输保险费无法确定,海关按同类货物同期同程运输费计算的运费25万元。假定关税税率20%,该公司进口舞台设备应缴纳的关税为()。
在文学走出去的过程中,用______的画面表现故事,可以使不同喜好的观众在______文字、图像、声音的立体式信息空间中,进行文学的超时空阅读和赏析。填入划横线部分最恰当的一项是:
宋代书院在教学和管理方面有哪些重要特点?
直线x=2,y=2与圆(x-1)2+(y-1)2=1分别相切于A、B两点,与劣弧AB相切于该劣弧中点的直线方程为
Manyteachersbelievethattheresponsibilitiesforlearningliewiththestudent.【C1】______alongreadingassignmentisgiven,
最新回复
(
0
)