1992年12月六級試題10

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Part IV Error Correction ( 15 minutes)
    When you board a plane, a machine may soo be
    scanning more than your bags - it may be studying
    your face. A computer comes onto the market 71.
    recently which promises to be able to recognize 72.
    faces at a glance from a video camera.
    The system, known as PARES, has many possible 73.
    use in different fields but the most 74.
    prominent is like to be monitoring crowds
    at airports for known terrorists. Such a task
    is far from the capabilities of a conventional
    image processor, which is too quick to 75.
    be of practical use. Moreover, it is too
    easily confused, if image of a face in its memory 76.
    is only a frontal view. For example, they 77.
    might not recognize that same face when
    presenting with a side view of the face. 78.
    PARES relies in the new technology of neural(神經(jīng)的) 79.
    networks. Like the brain, it has many
    interconnected memory "cells", which work
    simultaneously rather than in sequence and
    thus greatly speed up the computation. And
    like the brain, the neural network can be
    trained to concentrate on essentials while
    ignoring of inessential matters - it can "learn" 80.
    what' s important and what isn' t. But the
    training is boring: and operator must patiently
    correct the computer's mistakes.
    Part V Writing (30 minutes)
    Directions: For this part, you are allowed 30 minutes to write a composition on the title: Motorcycles And City Traffic. You should base your composition on the following
    outline ( (given in Chinese ):
    1.近年來中國城市中的摩托車
    2.摩托車的優(yōu)點和缺點
    3.你對我國城市中摩托車發(fā)展前景的看法
    You must write your composition in no less than 120 words on the Composition
    Sheet and remember to write it in readable hand - writing.
    Motorcycles And City Traffic