2. 职称英语
  3. Art can be made of almost anything, including substances 【M1】___

Art can be made of almost anything, including substances 【M1】___

游客2023-12-19  40
问题     Art can be made of almost anything, including substances             【M1】_______
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 it,     【M2】_______
and that usually means limited, destructive tests.                       【M3】_______
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.                                  【M4】_______
Small samples are microscopic. The scientists have developed
creative ways to deal the constraints. Consider the case of the fish pendant.【M5】_______
Gold with multicolored enamel,
it was originally thought to date in the 16th century.                   【M6】_______
And curators and conservators saw that the style was all wrong for that period.【M7】_______
It was either mislabeled or a pretence.
Mark Wypyski, a glass specialist who runs                                【M8】_______
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.                        【M9】_______
There was chromium, which was not used in
glass or enamels since the 19th century.                                 【M10】_______ [br] 【M10】
选项
答案 since改成until
解析 逻辑关系及词语使用。根据上下文判断，说的是本来认为16世纪的艺术品，被发现含有19世纪以后才使用的材料，加之前面主句用了否定，因此“not...until”，“直到……才”是正确的用法，而使用since则是错误的。
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