【单选题】Mary’s score on the test is the highest in her class; she ______ have studied very hard.
【判断题】美国行为科学家埃德加•沙因在其1965年出版的《组织心理学》一书中把前人对人性假设的研究成果归纳为“经济人假设”、“社会人假设”和“自我实现人假设”。
【单选题】消隐技术不能解决形体二义性问题,但是可以通过消隐线或消隐面方法,提高图形的真实感。
【单选题】Mary’s score on the test is the highest in her class, and she ____ have studied very hard.