霍兰德兴趣理论可以将人格分为六种典型的类型，分别是：
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According to the news, how many students among those surveyed have worked as volunteers?
A. 67%.
B. 80%.
C. 82%.
D. 85%.
What’s the news mainly about?
A. More than 80% of young Chinese take part in volunteer work.
B. Many young Chinese consider that volunteering is important for college.
C. There are actually many problems in voluntary activities.
D. Voluntary activities are closely related to students’ majors.
已知某一经济中的消费额=6亿元,投资额=1亿元,间接税=1亿元,政府用于物品和劳务的支出额=1.5亿元,出口额=2亿元,进口额=1.8亿元,则( )
A. NDP=8.7亿元
B. GDP=7.7亿元
C. GDP=8.7亿元
D. NDP=5亿元
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