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填空题

Art can be made of almost anything, including substances 1. ______.
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, 2. ______.
and that usually means limited, destructive tests. 3. ______.
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. 4. ______.
Small samples are microscopic. The scientists have developed
creative ways to deal the constraints. Consider the case of the fish pendant. 5. ______.
Gold with multicolored enamel, it was originally thought to date in the 16th century. 6. ______.
And curators and conservators saw that the style was all wrong for that period. 7. ______.
It was either mislabeled or a pretence. Mark Wypyski, a glass specialist who runs 8. ______.
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. 9. ______.
There was chromium, which was not used in glass or enamels since the 19th century. 10. ______.

【参考答案】

destructive → nondestructive
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English, which plays an important role in the process of globalization, is now a compulsive course in our country. English is required in every field. But to master a language is not an easy thing. People come across a lot of problems when they are learning. Some say that a good memory is the most important element in learning English. What is your opinion on this statement You are to write a composition of about 400 words to give and support your opinion. You should supply a rifle for your article.
In the first part of your writing you should present your thesis statement, and in the second part you should support the thesis statement with appropriate details. In the last part you should bring what you have written to a natural conclusion or a summary.
Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the above instructions may result in a loss of marks.
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填空题evaporated