2. 外语
  3. A major mason for conflict in the animal world is territory. The male animal【C1】______an area. The size of the area is sufficien

A major mason for conflict in the animal world is territory. The male animal【C1】______an area. The size of the area is sufficien

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问题     A major mason for conflict in the animal world is territory. The male animal【C1】______an area. The size of the area is sufficient to provide food for him, his【C2】______and their offspring. Migrating birds, for example,【C3】______up the best territory in the order of "first come, first【C4】______". The late arrivals may acquire【C5】______ territories, but【C6】______food is available, or they are too close to the【C7】______of the enemies of the species.
    When there is conflict over territory, animals will commonly use force, or a【C8】______of force, to decide which will stay and which will go. It is interesting to note,【C9】______, that animals seem to use only the【C10】______ amount of force necessary to drive away the intruder. There is usually no killing. In the【C11】______of those animals which are capable【C12】______doing each other harm, there is a【C13】______for the losing animal to show the winning animal that he wishes to submit.
    When he shows this, the【C14】______normally stops fighting. Animals( especially birds),【C15】______can easily escape from conflict seem to have no【C16】______against killing, and equally no mechanism for【C17】______. The losing bird simply flies away. However, two pigeons are placed in a cage, and they start if fighting, they will continue to fight【C18】______one kills the other. We all think of the pigeon as a【C19】______of peace and, in its natural habitat, it is peaceful. But the "peace" mechanism does not【C20】______in a cage.
【C13】
选项 A、system
B、instrument
C、mean
D、solution
答案A
解析 此题为词语辨析题。原文此处的意思是：总有办法让失败的动物向胜利者表示它愿意屈服。A) system 有“系统，体系，制度，体制，秩序，规律”的意思，在这里system 的意思是“方法”，相当于method。解答此题可用排除法，其他几个选项都没有方法的含义。B instrument 的含义是“设备；仪器；器件；装置”与文意不符；C) mean 是动词和形容词，这个干扰项旨在考查考生是否把mean 和means (方法)混淆厂；D) solution 是“解决问题的方法、办法”的意思，与原文有一定的差距。
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大学英语四级

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