What is mentioned as a major characteristic of the one-room

What is mentioned as a major characteristic of the one-room school system in the

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Practically all species of animals communicate either throug

Practically all species of animals communicate either through sounds or through

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John is collaborating with Mary in writing a book.

John is collaborating with Mary in writing a book.A.cooperating B.merging C.comb

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America's emphasis on the importance of education for everyo

America's emphasis on the importance of education for everyone has spurred scien

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请选择(2)处的最佳答案.

请选择(2)处的最佳答案.A.learned B.investigated C.found D.founded

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