As “father of space technology” in China, Qian Xuesen devoted his whole life_____________________ .
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When he passed away at the age of 98, Qian Xuesen was mourned by the whole nation for_______________________________.
The rapid development and the improved international status of the country attract___________________________________________ to return to China to work.
The watchword of many Chinese overseas students is to bear the responsibility to ___________________________.
()是指对个体的行为样本的标准化测量。
A. 心理测验
B. 样本
C. 信度
D. 效度