2. 外语
  3. In 1791, the French nation, in the midst of a revolution, wished to break with the past, especially with those aspects of it whi

In 1791, the French nation, in the midst of a revolution, wished to break with the past, especially with those aspects of it whi

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问题     In 1791, the French nation, in the midst of a revolution, wished to break with the past, especially with those aspects of it which they considered illogical and useless. One of these was the traditional system of weights and measures then in use. Not only was the system overly complicate, but it also varied (47)______ from place to place.
    In constructing the new system, the French began by setting up a Unit of distance (48)______ to one forty-millionth part of the earth’s circumference. Unfortunately, later measurements showed that the unit designated was not exactly that fraction, but they (49)______ to use it. (Today the unit is defined simply (50)______ the distance between two marks on a platinum-iridium bar kept in a suburb of (51)______). The unit is the meter, and the system of measurements (52)______ on this until is the metric system, the system (53)______ used by scientists over the world.
    The metric system is built in units of (54)______, Greek prefixed showing multiples and Latin prefixed showing fractions. The Greeks had no word for a number larger than ten thousand and the Romans had none (55)______ a number larger than one thousand, but the system was extended by using less (56)______ words; for instance, megameter (one million meters) is derived from a Greek word that means simply "large".

              Word Bank:
A. widely                  I. specific
B. equal                   J. based
C. continued               K. divided
D. today                   L. calculated
E. ten                     M. to
F. as                      N. London
G. for                     O. opposed
H. Paris

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答案I
解析 句中提到希腊人和罗马人都有具体词分别表示比10000和1000大的数，但下文的例子表明 megameter (100万米)是由希腊语中表示“大”的词衍生而来的，由此可见该句指公制通过利用不确切的词扩大了度量范围。
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