题目内容

What will happen in future decades?

A. The population of interracial Americans will be three times in 2050 as much as now.
B. There will be no dominant races in America.
C. The divisiveness of the nation is an inevitable problem to confront.
D. At least 50 percent of the third-generation African Americans will marry other ethnic groups.

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Why does Afghanculturemuseum. org eliminate the debate on whether a museums priority should be to display artworks or to preserve them?

A. Because it can replace the traditional museum in the near future.
Because it only allows the doctorates to see works that need particular protection.
C. Because when displaying the artworks, it also prevents others from stealing them.
D. Because it almost eliminates the contradiction between displaying and preserving artworks.

涵洞指符合何种条件的跨越建筑物:

连接灶具的普通胶管必须采用耐油橡材料。()

中国古代建造并使用至今的大型水利工程,被誉为“世界水利文化的鼻祖”的是()。

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