Art can be made of almost anything, including substances

游客2023-12-19 33

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] 【M9】

选项

答案 pop^on改成up

解析词语使用。pop一词虽然为不及物动词，指“突然出现”，但是必须要加副词或者介词短语使用，在显示器上出现，即我们常说的“跳出……”，是pop up。

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Art can be made of almost anything, including substances

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