2. 外语
  3. People find that like humans chimpanzees (黑猩猩) use "tools": they strip twigs (小树枝) and use them to take out termites(白蚁) from th

People find that like humans chimpanzees (黑猩猩) use "tools": they strip twigs (小树枝) and use them to take out termites(白蚁) from th

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问题     People find that like humans chimpanzees (黑猩猩) use "tools": they strip twigs (小树枝) and use them to take out termites(白蚁) from their nests. The chimpanzees and the termites both live in social groups. Chimpanzee females live on individual home ranges within a territory that is defended by a group of related males. Termites live in a colony with three classes: queen, workers and soldiers.  Chimpanzees can be trained to respond in accordance with different symbolic gestures.
    So if we can build power stations, why can’t chimpanzees? A major reason is that they lack a laryrx(喉) and a mouth that make it possible to pronounce clearly and distinctly a wide range of distinguishable sounds. Without these they are doomed to making little progress. One can scarcely imagine us building and operating power stations or implementing a system of justice as intricate as ours without us having an extremely complex system of communication like that provided by our speech. Far simpler tasks require language., language for learning, language for planning, language for co-operation. Without speech it is, indeed, difficult to refer to anything that is removed from us in space and time, anything that we cannot point to here and now. This becomes clear as soon as you try to arrange to meet a friend outside the town hall at seven o’clock without saying or writing anything.
    Language allows human beings to learn and adapt to changing circumstances far more quickly than would be achieved by evolution. A word of warning passed from father to son is a much more direct and efficient way of adapting the species to its environment than is a process of natural selection. Human language is infinitely versatile. Honey-bees have a remarkable way of letting others know the direction in which a source of food lies and how far away it is by means of a "dance". But they could not begin to discuss the merits of other foodstuffs or alternative ways of constructing their homes.
According to the passage, chimpanzees can’t build power stations because______.
选项 A、they don’t have a larynx which helps to pronounce sounds
B、they cannot cooperate with each other
C、they don’t have a communication system
D、they don’t have speech like the humans
答案D
解析 根据第二段第三句“One can scarcely imagine us building and operating．．．without us having an extremely complex system of communication like that provided by our speech”，可见由于黑猩猩不具有人类的言语，因而无法完成像修建发电厂这样复杂的工作，故选D)。
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大学英语四级

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