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
163
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、this
B、that
C、it
D、there
答案
D
解析
本题测试语法。此处表示存在一种机制,所以应该用there be句型。
转载请注明原文地址:https://kaotiyun.com/show/VCe4777K
0
考研英语二
相关试题推荐
Whichofthefollowingcanbethebesttitleofthispassage?Accordingtothepassage,whydoesadrinkbringseriousresults
Excitement,fatigue,andanxietycanallbedetectedfromsomeone’sblinks,accordingtopsychologistJohnStern(21)Washington
Overthepastdecade,manycompanieshadperfectedtheartofcreatingautomaticbehaviors-habits-amongconsumers.Thesehabits
IthasbeenawretchedfewweeksforAmerica’scelebritybosses.AIG’sMauriceGreenberghasbeendramaticallyoustedfromthef
Itlookedjustlikeanotheraircraftfromtheoutside.Thepilottoldhisyoungpassengersthatitwasbuiltin1964.Butappear
WetendtothinkofthedecadesimmediatelyfollowingWorldWarIIasatimeofprosperityandgrowth,withsoldiersreturningh
Thesmoothlandingofshuttle(航天飞机)Discoveryendedaflightthatwassuccessfulinalmosteveryrespectbutone:thedislodging
Afull-timejobdoesn’thavetodestroyallhopeoffamilydinnersorafternoonplaytime.Womencanincreasetheirchancesofge
[A]Thepossibilitytoincreaseyourgutmicrobiota[B]Scientist’sopiniontowardsthefoodvalue[C]Theindispensabler
AnyAmericanwhohasboughtapackofcigarettessincethemid-60smighthaveseenthehealthwarnings.Itsays,"SURGEONGENERA
随机试题
某孕妇,24岁,孕32周时,胎儿双顶径7.0cm,35周时双顶径7.3cm,股骨长5.4cm,羊水指数5,胎盘3级钙化。考虑孕妇为下列哪种情况
肾移植术后,6天内出现少尿或无尿,WBC轻度升高,血尿素氮肌酐持续不降,尿常规提示红细胞中量,同时伴有发热(38.5℃以下),这时应考虑下列哪项
融资服务阶段融资咨询应考虑的内容包括()。
国际工程施工承包合同争议解决的方式中,最常用、最有效、也是应该首选的方式是()。
价值工程中“价值”是对象的(),是作为评价事物有效程度的一种尺度。
根据规范管理和经营监督的要求,对风险程度不同的业务,按照( )的原则,重要业务必须实行实时复核、审核及总部审批制。
违反税收法律、行政法规应当给予行政处罚的行为,在()内未被发现的,不再给予行政处罚
南朝梁武帝长子萧统组织问入共同编选了一套诗文总集。名《文选》。由于萧统的谥号的关系,后人又称这部书为《_____》。
下列关于磁道的说法中,正确的是()。
Ifyoureadabookwordbyword,youoftenfailtogetthemainideaofwhatyou’rereadingandsoonforgetwhatyou______.
最新回复
(
0
)