Ethnic identification has increasingly become the common core of research for the specialists and experts in the various academic fields of anthropology, sociology and psychology.

民族认同问题研究日渐成为人类学、社会学、心理学等多学科、多领域的专家学者共同关心的研究课题。

youdao

These are based largely on the common core, but also existing California standards.

这主要基于共同核心，还有现行的加利福尼亚州标准。

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In April, Maine became the forty-second state to approve the common core standards.

截止到四月份，缅因州是第42个接受《共同核心州立标准》的州。

youdao

These are based largely on the common core, but also existing California standards.

VOA: special.2010.07.22

Now,the Obama administration supports what are known as the Common Core State Standards.

VOA: special.2010.07.22

Consider now how we are implementing the Common Core assessments: summative assessments to measure what percentage of students failed.

FORBES: Could Competency-Based Learning Save the Common Core?

The tougher tests awaiting New York's third-through-eighth-graders are aligned with the Common Core standards, a national set of guidelines intended to boost academic rigor.

WSJ: Some NY parents to boycott new, harder state tests

Forty out of 50 states in the United States have adopted the Common Core curriculum, which phases out cursive writing in the classroom, for their public schools.

CNN: Cursive vs. typing: Which should schools teach?