题海让大学四年没有难题
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题目详情

单选题 In the process of reform and opening-up, "opening-up" mainly refers to ______

A. Closing the country to foreign influence

B. Strengthening economic and cultural exchanges with the rest of the world

C. Rejecting all foreign investment and technology

D. Relying solely on domestic resources for development

学科:默认课程

时间:2026-04-11 10:03:03

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