2. 外语
  3. Art can be made of almost anything, including substances 【B1】______. that have not been produced

Art can be made of almost anything, including substances 【B1】______. that have not been produced

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问题     Art can be made of almost anything, including substances                                【B1】______.
that have not been produced and used in ages, and it comes in all shapes and sizes.
    More importantly, scientists have to study art without affecting                        【B2】______.
and that usually means limited, destructive tests.                                          【B3】______.
If they have to take a sample, it must be as small as possible. In the objects conservation
lab, the big samples look as the period at the end of this sentence.                        【B4】______.
Small samples are microscopic. The scientists have developed
creative ways to deal the constraints. Consider the case of the fish pendant.               【B5】______.
    Gold with multicolored enamel, it was originally thought to date in the 16th century.   【B6】______.
And curators and conservators saw that the style was all wrong for that period.             【B7】______.
It was either mislabeled or a pretence. Mark Wypyski, a glass specialist who runs           【B8】______.
the scanning electron microscope at the museum, took a tiny porcelainlike sample
from a green part of the pendant and bombarded it with electrons, causing it
to emit X-rays characteristic of the elements in it. Mr. Wypyski interpreted
the results as they popped on a computer monitor.                                           【B9】______.
There was chromium, which was not used in glass or enamels since the 19th century.          【B10】______.
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答案of → from
解析 本题考查短语搭配及逻辑关系。be made of指的是容易判断出原材料的物品，而be made from指的是难以判断出原材料的物品。这里兼顾到后面的文章中的“substances that have not been produced and used in ages”，可以判断出应该使用后者。
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